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Honda Insight vs. Mazda Mazda3 Fuel Economy (g/100m)

Chart is based on 262 fuel economy reports for the Honda Insight and 1582 fuel economy reports for the Mazda Mazda3.

Honda Insight g/100m

Honda Insight Honda Insight 2011 4.7 MPG Highway Percentage 32 percent Honda Insight Honda Insight 2011 1.9 MPG Highway Percentage 66 percent Honda Insight Honda Insight 2010 2.3 MPG Highway Percentage 71 percent Honda Insight Honda Insight 2010 2.2 MPG Highway Percentage 42 percent Honda Insight Honda Insight 2009.5 1.5 MPG Highway Percentage 20 percent Honda Insight Honda Insight 2006 1.7 MPG Highway Percentage 97 percent Honda Insight Honda Insight 2005 2.0 MPG Highway Percentage 60 percent Honda Insight Honda Insight 2001 1.7 MPG Highway Percentage 55 percent Honda Insight Honda Insight 2000 5.9 MPG Highway Percentage 43 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd g/100m
2011 4dr Hatch 98-horsepower 1.3L I4 Hybrid
CVT FWD
flat med light 12 31 26 32 79 4.7  
2011 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
mtns light none 1 10 23 66 58 1.9  
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
CVT FWD
flat light none 3 10 16 71 66 2.3  
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
flat light light 7 27 24 42 66 2.2  
2009.5 4dr Hatch 98-horsepower 1.3L I4 Hybrid
CVT FWD
flat light light 20 30 30 20 65 1.5  
2006 2dr Hatch 73-horsepower 1.0L I3 Hybrid
CVT FWD
flat v.lt hvy 1 1 1 97 60 1.7  
2005 2dr Hatch 73-horsepower 1.0L I3 Hybrid
5-speed manual FWD
flat med none 0 0 40 60 60 2.0  
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2001 2dr Hatch 73-horsepower 1.0L I3 Hybrid
5-speed manual FWD
hills light light 0 20 25 55 63 1.7  
2000 2dr Hatch 73-horsepower 1.0L I3 Hybrid
5-speed manual FWD
flat light light 13 15 30 43 80 5.9  

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This page shows only averages. See all the Honda Insight fuel economy data.

Mazda Mazda3 g/100m

Mazda Mazda3 Mazda Mazda3 2017 3.2 MPG Highway Percentage 40 percent Mazda Mazda3 Mazda Mazda3 2016 10.5 MPG Highway Percentage 55 percent Mazda Mazda3 Mazda Mazda3 2015 2.5 MPG Highway Percentage 90 percent Mazda Mazda3 Mazda Mazda3 2015 14.1 MPG Highway Percentage 90 percent Mazda Mazda3 Mazda Mazda3 2014 3.9 MPG Highway Percentage 0 percent Mazda Mazda3 Mazda Mazda3 2014 2.7 MPG Highway Percentage 63 percent Mazda Mazda3 Mazda Mazda3 2014 3.0 MPG Highway Percentage 25 percent Mazda Mazda3 Mazda Mazda3 2014 3.4 MPG Highway Percentage 71 percent Mazda Mazda3 Mazda Mazda3 2013 2.8 MPG Highway Percentage 46 percent Mazda Mazda3 Mazda Mazda3 2013 2.7 MPG Highway Percentage 58 percent Mazda Mazda3 Mazda Mazda3 2013 4.6 MPG Highway Percentage 40 percent Mazda Mazda3 Mazda Mazda3 2013 19.4 MPG Highway Percentage 40 percent Mazda Mazda3 Mazda Mazda3 2013 2.6 MPG Highway Percentage 84 percent Mazda Mazda3 Mazda Mazda3 2012 3.3 MPG Highway Percentage 44 percent Mazda Mazda3 Mazda Mazda3 2012 6.1 MPG Highway Percentage 83 percent Mazda Mazda3 Mazda Mazda3 2012 4.0 MPG Highway Percentage 46 percent Mazda Mazda3 Mazda Mazda3 2012 4.7 MPG Highway Percentage 34 percent Mazda Mazda3 Mazda Mazda3 2012 8.0 MPG Highway Percentage 34 percent Mazda Mazda3 Mazda Mazda3 2012 18.2 MPG Highway Percentage 62 percent Mazda Mazda3 Mazda Mazda3 2011 3.3 MPG Highway Percentage 80 percent Mazda Mazda3 Mazda Mazda3 2011 3.5 MPG Highway Percentage 80 percent Mazda Mazda3 Mazda Mazda3 2011 3.7 MPG Highway Percentage 30 percent Mazda Mazda3 Mazda Mazda3 2011 2.9 MPG Highway Percentage 88 percent Mazda Mazda3 Mazda Mazda3 2011 3.7 MPG Highway Percentage 69 percent Mazda Mazda3 Mazda Mazda3 2011 18.6 MPG Highway Percentage 60 percent Mazda Mazda3 Mazda Mazda3 2011 4.2 MPG Highway Percentage 43 percent Mazda Mazda3 Mazda Mazda3 2010.5 21.6 MPG Highway Percentage 25 percent Mazda Mazda3 Mazda Mazda3 2010 5.3 MPG Highway Percentage 69 percent Mazda Mazda3 Mazda Mazda3 2010 3.8 MPG Highway Percentage 51 percent Mazda Mazda3 Mazda Mazda3 2010 3.3 MPG Highway Percentage 43 percent Mazda Mazda3 Mazda Mazda3 2010 2.9 MPG Highway Percentage 49 percent Mazda Mazda3 Mazda Mazda3 2010 4.2 MPG Highway Percentage 58 percent Mazda Mazda3 Mazda Mazda3 2010 6.0 MPG Highway Percentage 37 percent Mazda Mazda3 Mazda Mazda3 2010 4.2 MPG Highway Percentage 60 percent Mazda Mazda3 Mazda Mazda3 2010 23.1 MPG Highway Percentage 20 percent Mazda Mazda3 Mazda Mazda3 2009 15.1 MPG Highway Percentage 90 percent Mazda Mazda3 Mazda Mazda3 2009 15.2 MPG Highway Percentage 44 percent Mazda Mazda3 Mazda Mazda3 2009 3.4 MPG Highway Percentage 52 percent Mazda Mazda3 Mazda Mazda3 2009 4.3 MPG Highway Percentage 51 percent Mazda Mazda3 Mazda Mazda3 2009 4.0 MPG Highway Percentage 59 percent Mazda Mazda3 Mazda Mazda3 2009 12.2 MPG Highway Percentage 59 percent Mazda Mazda3 Mazda Mazda3 2008.5 3.6 MPG Highway Percentage 50 percent Mazda Mazda3 Mazda Mazda3 2008.5 2.5 MPG Highway Percentage 77 percent Mazda Mazda3 Mazda Mazda3 2008.5 12.7 MPG Highway Percentage 35 percent Mazda Mazda3 Mazda Mazda3 2008.5 5.9 MPG Highway Percentage 38 percent Mazda Mazda3 Mazda Mazda3 2008.5 3.8 MPG Highway Percentage 24 percent Mazda Mazda3 Mazda Mazda3 2008.5 3.6 MPG Highway Percentage 69 percent Mazda Mazda3 Mazda Mazda3 2008 4.1 MPG Highway Percentage 45 percent Mazda Mazda3 Mazda Mazda3 2008 2.8 MPG Highway Percentage 90 percent Mazda Mazda3 Mazda Mazda3 2008 13.2 MPG Highway Percentage 46 percent Mazda Mazda3 Mazda Mazda3 2008 11.2 MPG Highway Percentage 55 percent Mazda Mazda3 Mazda Mazda3 2008 4.0 MPG Highway Percentage 67 percent Mazda Mazda3 Mazda Mazda3 2008 6.9 MPG Highway Percentage 42 percent Mazda Mazda3 Mazda Mazda3 2008 6.2 MPG Highway Percentage 32 percent Mazda Mazda3 Mazda Mazda3 2007 4.5 MPG Highway Percentage 10 percent Mazda Mazda3 Mazda Mazda3 2007 14.1 MPG Highway Percentage 48 percent Mazda Mazda3 Mazda Mazda3 2007 3.2 MPG Highway Percentage 38 percent Mazda Mazda3 Mazda Mazda3 2007 11.3 MPG Highway Percentage 52 percent Mazda Mazda3 Mazda Mazda3 2007 4.9 MPG Highway Percentage 36 percent Mazda Mazda3 Mazda Mazda3 2007 7.9 MPG Highway Percentage 38 percent Mazda Mazda3 Mazda Mazda3 2007 7.2 MPG Highway Percentage 57 percent Mazda Mazda3 Mazda Mazda3 2006.5 33.8 MPG Highway Percentage 5 percent Mazda Mazda3 Mazda Mazda3 2006 8.3 MPG Highway Percentage 28 percent Mazda Mazda3 Mazda Mazda3 2006 6.1 MPG Highway Percentage 49 percent Mazda Mazda3 Mazda Mazda3 2006 5.8 MPG Highway Percentage 46 percent Mazda Mazda3 Mazda Mazda3 2006 3.6 MPG Highway Percentage 51 percent Mazda Mazda3 Mazda Mazda3 2006 5.3 MPG Highway Percentage 40 percent Mazda Mazda3 Mazda Mazda3 2006 5.5 MPG Highway Percentage 42 percent Mazda Mazda3 Mazda Mazda3 2005 11.3 MPG Highway Percentage 73 percent Mazda Mazda3 Mazda Mazda3 2005 3.8 MPG Highway Percentage 20 percent Mazda Mazda3 Mazda Mazda3 2005 3.5 MPG Highway Percentage 41 percent Mazda Mazda3 Mazda Mazda3 2005 5.5 MPG Highway Percentage 51 percent Mazda Mazda3 Mazda Mazda3 2005 6.5 MPG Highway Percentage 34 percent Mazda Mazda3 Mazda Mazda3 2004 12.6 MPG Highway Percentage 42 percent Mazda Mazda3 Mazda Mazda3 2004 3.8 MPG Highway Percentage 55 percent Mazda Mazda3 Mazda Mazda3 2004 8.9 MPG Highway Percentage 63 percent Mazda Mazda3 Mazda Mazda3 2004 8.5 MPG Highway Percentage 55 percent Mazda Mazda3 Mazda Mazda3 2004 8.5 MPG Highway Percentage 40 percent Mazda Mazda3 Mazda Mazda3 2004 7.2 MPG Highway Percentage 39 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd g/100m
2017 4dr Hatch 155-horsepower 2.0L I4
6-speed manual FWD
flat med light 30 15 15 40 75 3.2  
2016 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
flat med none 0 35 10 55 75 10.5  
2015 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
hills med hvy 0 0 10 90 70 2.5  
2015 4dr Hatch 155-horsepower 2.0L I4
6-speed manual FWD
flat light none 0 5 5 90 107 14.1  
2014 4dr Sedan 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
flat light hvy 0 100 0 0 0 3.9  
2014 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
flat light none 3 30 3 63 72 2.7  
2014 4dr Sedan 155-horsepower 2.0L I4
6-speed manual FWD
flat light hvy 10 55 10 25 65 3.0  
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2014 4dr Hatch 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
flat med light 0 8 22 71 69 3.4  
2013 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
flat light light 0 27 28 46 67 2.8  
2013 4dr Sedan 155-horsepower 2.0L I4
6-speed manual FWD
flat light light 0 16 26 58 70 2.7  
2013 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
hills med light 10 20 30 40 70 4.6  
2013 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
flat med none 9 23 29 40 110 19.4  
2013 4dr Hatch 155-horsepower 2.0L I4
6-speed manual FWD
flat light light 0 1 14 84 61 2.6  
2012 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
flat light none 0 22 34 44 66 3.3  
2012 4dr Sedan 155-horsepower 2.0L I4
6-speed manual FWD
flat med none 0 4 12 83 81 6.1  
2012 4dr Sedan 148-horsepower 2.0L I4
5-speed shiftable automatic FWD
flat light none 0 54 0 46 70 4.0  
2012 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
hills med none 13 28 25 34 75 4.7  
2012 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
hills med light 10 26 30 34 62 8.0  
2012 4dr Hatch 155-horsepower 2.0L I4
6-speed manual FWD
flat med light 0 24 14 62 108 18.2  
2011 4dr Sedan 167-horsepower 2.5L I4
6-speed manual FWD
flat light light 0 15 5 80 70 3.3  
2011 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
flat med light 5 7 8 80 67 3.5  
2011 4dr Sedan 148-horsepower 2.0L I4
5-speed shiftable automatic FWD
flat med light 2 42 26 30 70 3.7  
2011 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat light light 1 2 10 88 70 2.9  
2011 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
hills med light 10 7 14 69 70 3.7  
2011 4dr Hatch 167-horsepower 2.5L I4
6-speed manual FWD
flat light light 0 10 30 60 110 18.6  
2011 4dr Hatch 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
hills med light 10 31 16 43 65 4.2  
2010.5 4dr Sedan 148-horsepower 2.0L I4
5-speed shiftable automatic FWD
flat med hvy 25 25 25 25 110 21.6  
2010 4dr Sedan 167-horsepower 2.5L I4
6-speed manual FWD
flat med none 5 13 14 69 78 5.3  
2010 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
flat light light 6 28 15 51 68 3.8  
2010 4dr Sedan 148-horsepower 2.0L I4
5-speed shiftable automatic FWD
flat med light 12 22 24 43 63 3.3  
2010 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat light none 0 6 45 49 67 2.9  
2010 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
flat med none 13 15 14 58 67 4.2  
2010 4dr Hatch 167-horsepower 2.5L I4
6-speed manual FWD
hills med light 8 21 34 37 74 6.0  
2010 4dr Hatch 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
flat med none 3 20 17 60 70 4.2  
2010 4dr Hatch 148-horsepower 2.0L I4
5-speed shiftable automatic FWD
flat light none 5 65 11 20 95 23.1  
2009 4dr Sedan 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat light none 0 0 10 90 100 15.1  
2009 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat med light 4 33 18 44 103 15.2  
2009 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
flat med none 12 13 23 52 66 3.4  
2009 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
flat med none 8 19 23 51 71 4.3  
2009 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat med light 1 11 28 59 71 4.0  
2009 4dr Hatch 156-horsepower 2.3L I4
5-speed manual FWD
flat med light 7 10 23 59 94 12.2  
2008.5 4dr Sedan 156-horsepower 2.3L I4
5-speed manual FWD
flat med light 1 47 1 50 65 3.6  
2008.5 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat med none 0 22 2 77 60 2.5  
2008.5 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
flat light light 0 16 50 35 70 12.7  
2008.5 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
flat med light 11 27 24 38 71 5.9  
2008.5 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat med none 33 22 21 24 70 3.8  
2008.5 4dr Hatch 156-horsepower 2.3L I4
5-speed manual FWD
flat light none 3 7 20 69 63 3.6  
2008 4dr Sedan 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat med light 13 27 14 45 73 4.1  
2008 4dr Sedan 156-horsepower 2.3L I4
5-speed manual FWD
flat light none 5 0 5 90 65 2.8  
2008 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat light none 4 17 23 46 101 13.2  
2008 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
flat med none 5 10 31 55 85 11.2  
2008 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
flat med none 7 14 12 67 69 4.0  
2008 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat light light 10 15 33 42 69 6.9  
2008 4dr Hatch 156-horsepower 2.3L I4
5-speed manual FWD
hills med light 10 40 19 32 74 6.2  
2007 4dr Sedan 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat light light 10 80 0 10 60 4.5  
2007 4dr Sedan 156-horsepower 2.3L I4
5-speed manual FWD
flat med light 4 24 23 48 92 14.1  
2007 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat med light 4 6 52 38 68 3.2  
2007 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
flat med none 10 24 14 52 85 11.3  
2007 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
hills light none 4 34 25 36 64 4.9  
2007 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat med light 13 12 37 38 75 7.9  
2007 4dr Hatch 156-horsepower 2.3L I4
5-speed manual FWD
flat med light 8 22 12 57 76 7.2  
2006.5 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
flat lead hvy 50 30 15 5 90 33.8  
2006 4dr Sedan 160-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat med light 8 33 31 28 78 8.3  
2006 4dr Sedan 160-horsepower 2.3L I4
5-speed manual FWD
flat med light 10 20 21 49 72 6.1  
2006 4dr Sedan 150-horsepower 2.0L I4
5-speed manual FWD
flat med none 1 44 10 46 75 5.8  
2006 4dr Sedan 150-horsepower 2.0L I4
4-speed shiftable automatic FWD
flat med light 19 12 18 51 66 3.6  
2006 4dr Hatch 160-horsepower 2.3L I4
5-speed shiftable automatic FWD
flat med light 13 24 24 40 62 5.3  
2006 4dr Hatch 160-horsepower 2.3L I4
5-speed manual FWD
flat med light 10 23 25 42 72 5.5  
2005 4dr Sedan 160-horsepower 2.3L I4
5-speed manual FWD
flat med none 5 10 13 73 93 11.3  
2005 4dr Sedan 160-horsepower 2.3L I4
4-speed shiftable automatic FWD
flat med light 2 55 23 20 69 3.8  
2005 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
flat light light 12 29 18 41 66 3.5  
2005 4dr Hatch 160-horsepower 2.3L I4
5-speed manual FWD
hills med none 9 22 18 51 76 5.5  
2005 4dr Hatch 160-horsepower 2.3L I4
4-speed shiftable automatic FWD
flat med light 12 39 15 34 76 6.5  
2004 4dr Sedan 160-horsepower 2.3L I4
5-speed manual FWD
flat med light 6 35 18 42 91 12.6  
2004 4dr Sedan 160-horsepower 2.3L I4
4-speed shiftable automatic FWD
flat med light 12 10 24 55 69 3.8  
2004 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
flat med light 3 10 23 63 90 8.9  
2004 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
hills med none 10 18 18 55 81 8.5  
2004 4dr Hatch 160-horsepower 2.3L I4
5-speed manual FWD
flat med light 8 29 23 40 78 8.5  
2004 4dr Hatch 160-horsepower 2.3L I4
4-speed shiftable automatic FWD
flat light light 16 17 28 39 72 7.2  

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This page shows only averages. See all the Mazda Mazda3 fuel economy data.

Honda Insight vs. Mazda Mazda3 Fuel Economy (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Honda Insight and Mazda Mazda3's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Honda models and Mazda models.

TrueDelta Reviews the Real Gas Mileage of the Honda Insight

Honda Insight Real Gas Mileage: Pros
YearComment
2020 Honda's initial approach to hybrid powertrain technology wasn't a winner. A weak electric motor (13 horsepower in the case of the 2010 Insight) sandwiched between a gas engine and a CVT wasn't able to deliver nearly as much of a performance or fuel economy bump as the much stronger electric motors in Toyota's radically different hybrid system. Starting with the 2014 Accord Hybrid, Honda tried a new approach. The new system relied entirely on a much more powerful (166 horsepower) electric motor to drive the wheels up to 43 mph, and only then directly engaged the gas engine via a single-speed transmission. This was the sort of elegant "we keep it simple" solution Honda used to be known for, and it worked far better. EPA ratings of 50 mpg city and 45 mpg highway were best-in-class, topping the Toyota Camry Hybrid. This system received further tweaks when the Accord was redesigned for 2018, with mixed results for mpg (now 48/47). The Toyota Camry, also redesigned for 2018, now scores 51/53 or 44/47 depending on trim level. When I learned that a new Honda Insight would utilize a similar hybrid system with a 1.5-liter engine instead of the Accord's 2.0-liter in a smaller, lighter car, I had high hopes. Could a 60-mpg rating happen? Well, it didn't. The Honda Insight LX and EX score 55 mpg city and 49 mpg highway in the EPA's testing. The tested Touring trim, with larger tires and a higher curb weight, scores a little lower, 51/45. Pretty good. But a Toyota Prius (58/53 or 54/50, depending on the variant), a Toyota Corolla Hybrid (53/52), or a Hyundai Ioniq (57/59 or 55/54) scores better. In my testing, the trip computer reported averages ranging from 45 mpg to 75 mpg in suburban driving. (Whether the system opts to charge or draw energy from the battery pack has a big effect on the reported average during short drives.) In one 20-mile drive around hilly Ann Arbor the trip computer reported an impressive 64 mpg--and 93.6 mpg during the initial three miles. But in a Toyota Prius I averaged 65 mpg over the entire week despite some colder weather--it struggled to top 60 when the air temperature fell to 40--and observed trip averages over 90 a couple of times. Air temperatures were usually in the 60s during the week I had the Insight, optimal for fuel economy. The Honda Insight disappointed in highway driving. When cruising near 80 mph, a speed at which it can't take much advantage of its hybrid configuration, the Insight averaged 40 mpg. Good, but little better than a non-hybrid Civic. I observed a bit over 60 mpg on the highway in the Prius. Given these results, I struggled with listing fuel economy among the reasons to buy the new Insight. On the one hand, all of its direct competitors have higher EPA ratings. On the other, the Insight's mpg compares very well to non-hybrids, and fuel economy will be a primary reason people buy one. see full Honda Insight review
 

What Our Members Are Saying about the Real Gas Mileage of the Honda Insight

Honda Insight Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
Averaging 45mpg see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
40-45mpg. Slower you drive, better the milage see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
It gets better than advertised. 44 in town, 44 highway see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
Just about the same as the Prius. Look at Fuelly.com and see for yourself. see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
Fantastic! Driven frugally, I am getting 46mpg at 60/40 hwy/city driving. see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
getting 52mpg highway and about 46 city, maybe someone at toyota paid off the epa to rate this car low, because i have NEVER gotten under 45 mpg on the highway. see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
Econ Mode for just a three mile drive and got 53 mpg though traffic was very light. Afterwards during normal traffic driving, not using the Econ Mode, plus a very short drive 1/2 mile up and 1/2 mile back I got 36 mph engin cold. see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
Great gas mileage. see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
The highest available at time of purchase. see full Honda Insight review
2010 4dr Hatch 98-horsepower 1.3L I4 Hybrid
7-speed shiftable CVT FWD
Getting near 50 MPG is fantastic after owning several cars that barely got 20 MPG. see full Honda Insight review
 

TrueDelta Reviews the Real Gas Mileage of the Mazda Mazda3

Mazda Mazda3 Real Gas Mileage: Pros
YearComment
2014 Ever since gas guzzling rotary engines almost put Mazda out of business in the 1970s, fuel economy has been a company weakness. The 2013 Mazda3 with a 167-horsepower 2.5-liter engine and five-speed automatic transmission managed only 22 mpg city, 29 mpg highway in the EPA's tests. (The same engine with a manual transmission did even worse, 20/28.) The 2014 with a new SKYACTIV 184-horsepower 2.5-liter engine and six-speed automatic transmission fares much better, 27 mpg city and 37 mpg highway. A $1,600 Tech Package (on the tested car) adds a capacitor-based regenerative braking system that bumps these ratings to 28/38. Quite impressive for a large, fairly powerful four-cylinder engine. The i's 155-horsepower 2.0-liter engine does a bit better still, 30/40, but anyone who cares about driving will gladly trade a 2-3 mpg to pick up 29 horsepower. In my real-world, sub-freezing suburban driving, the trip computer reported a two-way average around 40 mpg when I drove with a feather-light right foot. Push the car harder and high-20s to mid-30s happen. The Focus also manages 27/37 in the EPA's tests, but wasn't quite as efficient as the Mazda in my real-world driving. Others including the 23/35 Dodge Dart GT and 21/29 Kia Forte SX don't come close. see full Mazda Mazda3 review
 

What Our Members Are Saying about the Real Gas Mileage of the Mazda Mazda3

Mazda Mazda3 Real Gas Mileage: Pros
YearBody/PowertrainComment
2014 4dr Hatch 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
Even with the 2.5L 'S' Option, the Mazda SkyActiv tech gives the Mazda3 a very impressive 28/39MPG. The 2.0L standard option gives 31/42. That's pretty standard in most new cars, however the performance for that economy is well above average. Good engines, these are. see full Mazda Mazda3 review
2013 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
30+mpg avg since new; starting to improve to around 33mpg per tankful, mixed driving, more town than highway see full Mazda Mazda3 review
2012 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
While reviews are mixed, the Skyactiv engine delivers as promised for me. With over 70% city/suburb driving, I've yet to average under 30mpg (odo/pump). Set the cruise control at 65-70 and > 40mpg is easy on a flat highway. see full Mazda Mazda3 review
2012 4dr Hatch 155-horsepower 2.0L I4
6-speed manual FWD
Excellent fuel economy with the skyactiv 155hp engine see full Mazda Mazda3 review
2012 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
This car does very well.. I drive mostly highway during the week, but a lot of rush hour driving means lots of stop and go. Even with that and the around town driving I do on the weekends, I am still averaging 38.1 MPG! see full Mazda Mazda3 review
2012 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
Hard to beat 40 mpg in a car that drives as well and has the performance of the Mazda3. Most ZOOM ZOOM for the price of any car I test drove. see full Mazda Mazda3 review
2012 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
I drive it on the highway at a constant speed of about 78 with the cruise control on, for my daily commute . Very little traffic on my commute, and speed limit is 70. I get about 33 mpg, or 380 miles per tank. I've found that long-range runs of an hour or more seems to burn out the gunk, and I have better fuel economy for the next week or two. I figure driving near 80 is killing the advertised 39 mpg with the Skyactiv engine. see full Mazda Mazda3 review
2011 4dr Sedan 148-horsepower 2.0L I4
5-speed shiftable automatic FWD
great gas mileage even for a lead-foot like myself. see full Mazda Mazda3 review
2010 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
I am currently getting 7.7L/100 km in the city and the vehicle only has 2000km on it. see full Mazda Mazda3 review
2010 4dr Hatch 167-horsepower 2.5L I4
6-speed manual FWD
Avg. 27mpg over the past two years. see full Mazda Mazda3 review
Mazda Mazda3 Real Gas Mileage: Cons
YearBody/PowertrainComment
2013 4dr Hatch 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
Fuel economy has been OK. I usually do a 50/50 mix and in good weather, I get in the high 7s/100km or about 30 MPG. In the cold weather, it's been closer to 9L/100km or about 26 MPG. Strangely, it's about the same economy I got with my 99 Civic w/ 4 spd auto. see full Mazda Mazda3 review
2011 4dr Hatch 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
22 mpg (city) in a car this small is abysmal. 27 highway is worse. see full Mazda Mazda3 review
2011 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
I have the Grand Touring model with the upped engine. Fuel economy is very poor compared to other cars in its class. see full Mazda Mazda3 review
2010 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
It sucks (literally). Slightly better than 25 mpg overall (I am driving one with a bigger engine). The 3 i variant would do better without much sacrafaces. But the rating is still below Civics and Corollas of the world. see full Mazda Mazda3 review
2010 4dr Hatch 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
Fuel economy in the VW GTI is slightly better than the Mazda 3, but it requires premium fuel. In the end, it's about even. see full Mazda Mazda3 review
2009 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
We average aprox 22MPG. Dont buy the Speed version of the Mazda 3 if your looking for fuel economy. Buy it if you have a smile pasted on your face when you drive. see full Mazda Mazda3 review
2008 4dr Hatch 156-horsepower 2.3L I4
5-speed manual FWD
10.5L avg for 100kms for the 2.3L 5 spd engine. Not as good as some of the competitors. see full Mazda Mazda3 review
2008 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
I wish it was better. I get about 23MPG in the city and 27 combined city/highway. see full Mazda Mazda3 review
2008 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
Runs premium, burns through fuel fairly quickly with a lot of spirited driving. see full Mazda Mazda3 review
2008 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
only 22 MPG highway - with a lead foot. My RAV4 V6 gets the same MPG see full Mazda Mazda3 review