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Lexus IS vs. Mazda Mazda5 MPG

Chart is based on 143 fuel economy reports for the Lexus IS and 414 fuel economy reports for the Mazda Mazda5.

Lexus IS MPG

Lexus IS Lexus IS 2016 18.7 MPG Highway Percentage 20 percent Lexus IS Lexus IS 2010 20.3 MPG Highway Percentage 2 percent Lexus IS Lexus IS 2010 21.8 MPG Highway Percentage 15 percent Lexus IS Lexus IS 2010 20.3 MPG Highway Percentage 44 percent Lexus IS Lexus IS 2009 25.4 MPG Highway Percentage 57 percent Lexus IS Lexus IS 2009 27.0 MPG Highway Percentage 70 percent Lexus IS Lexus IS 2008 17.7 MPG Highway Percentage 28 percent Lexus IS Lexus IS 2008 24.9 MPG Highway Percentage 40 percent Lexus IS Lexus IS 2008 31.0 MPG Highway Percentage 55 percent Lexus IS Lexus IS 2008 22.4 MPG Highway Percentage 21 percent Lexus IS Lexus IS 2008 20.5 MPG Highway Percentage 20 percent Lexus IS Lexus IS 2007 24.6 MPG Highway Percentage 50 percent Lexus IS Lexus IS 2007 31.8 MPG Highway Percentage 80 percent Lexus IS Lexus IS 2007 25.3 MPG Highway Percentage 45 percent Lexus IS Lexus IS 2006 22.1 MPG Highway Percentage 30 percent Lexus IS Lexus IS 2006 24.9 MPG Highway Percentage 47 percent Lexus IS Lexus IS 2006 24.0 MPG Highway Percentage 65 percent Lexus IS Lexus IS 2005.5 23.3 MPG Highway Percentage 60 percent Lexus IS Lexus IS 2005 15.9 MPG Highway Percentage 11 percent Lexus IS Lexus IS 2004 19.0 MPG Highway Percentage 50 percent Lexus IS Lexus IS 2004 21.1 MPG Highway Percentage 66 percent Lexus IS Lexus IS 2004 24.0 MPG Highway Percentage 48 percent Lexus IS Lexus IS 2003 19.6 MPG Highway Percentage 41 percent Lexus IS Lexus IS 2003 23.4 MPG Highway Percentage 70 percent Lexus IS Lexus IS 2002 21.7 MPG Highway Percentage 26 percent Lexus IS Lexus IS 2002 19.6 MPG Highway Percentage 35 percent Lexus IS Lexus IS 2002 21.5 MPG Highway Percentage 23 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 MPG
2016 4dr Sedan 306-horsepower 3.5L V6
8-speed shiftable automatic RWD		 flat light light 50 10 20 20 70 18.7  
2010 4dr Sedan 416-horsepower 5.0L V8
8-speed shiftable automatic RWD		 flat med light 0 0 98 2 80 20.3  
2010 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 flat med light 5 70 10 15 60 21.8  
2010 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 hills med none 7 16 33 44 83 20.3  
2009 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 flat light none 2 9 33 57 90 25.4  
2009 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 hills light light 5 5 20 70 65 27.0  
2008 4dr Sedan 416-horsepower 5.0L V8
8-speed shiftable automatic RWD		 flat med hvy 20 25 27 28 70 17.7  
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2008 4dr Sedan 306-horsepower 3.5L V6
6-speed shiftable automatic RWD		 hills med none 16 20 25 40 66 24.9  
2008 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 flat v.lt light 15 15 15 55 70 31.0  
2008 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 flat light light 4 18 57 21 61 22.4  
2008 4dr Sedan 204-horsepower 2.5L V6
6-speed manual RWD		 flat med light 8 63 10 20 110 20.5  
2007 4dr Sedan 306-horsepower 3.5L V6
6-speed shiftable automatic RWD		 flat med light 6 21 23 50 75 24.6  
2007 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 flat light hvy 5 5 10 80 70 31.8  
2007 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 flat light light 5 23 28 45 63 25.3  
2006 4dr Sedan 306-horsepower 3.5L V6
6-speed shiftable automatic RWD		 flat med light 7 50 13 30 71 22.1  
2006 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 flat med light 9 25 20 47 88 24.9  
2006 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 hills light light 5 5 25 65 70 24.0  
2005.5 4dr Sedan 204-horsepower 2.5L V6
6-speed manual RWD		 flat med none 20 20 0 60 80 23.3  
2005 4dr Sedan 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat med light 41 49 0 11 59 15.9  
2004 4dr Wagon 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat lead hvy 20 15 15 50 75 19.0  
2004 4dr Sedan 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat med light 1 27 6 66 77 21.1  
2004 4dr Sedan 215-horsepower 3.0L I6
5-speed manual RWD		 flat med light 7 29 16 48 71 24.0  
2003 4dr Sedan 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat med light 9 33 18 41 88 19.6  
2003 4dr Sedan 215-horsepower 3.0L I6
5-speed manual RWD		 flat med none 0 0 30 70 75 23.4  
2002 4dr Wagon 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat med light 12 19 43 26 80 21.7  
2002 4dr Sedan 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat med light 10 40 15 35 68 19.6  
2002 4dr Sedan 215-horsepower 3.0L I6
5-speed manual RWD		 flat med light 15 24 39 23 73 21.5  

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This page shows only averages. See all the Lexus IS fuel economy data.

Mazda Mazda5 MPG

Mazda Mazda5 Mazda Mazda5 2015 23.5 MPG Highway Percentage 78 percent Mazda Mazda5 Mazda Mazda5 2012 33.2 MPG Highway Percentage 79 percent Mazda Mazda5 Mazda Mazda5 2012 26.3 MPG Highway Percentage 76 percent Mazda Mazda5 Mazda Mazda5 2010 25.0 MPG Highway Percentage 57 percent Mazda Mazda5 Mazda Mazda5 2010 26.4 MPG Highway Percentage 38 percent Mazda Mazda5 Mazda Mazda5 2009 25.7 MPG Highway Percentage 53 percent Mazda Mazda5 Mazda Mazda5 2009 27.2 MPG Highway Percentage 67 percent Mazda Mazda5 Mazda Mazda5 2008 26.6 MPG Highway Percentage 51 percent Mazda Mazda5 Mazda Mazda5 2008 26.8 MPG Highway Percentage 33 percent Mazda Mazda5 Mazda Mazda5 2007 24.2 MPG Highway Percentage 18 percent Mazda Mazda5 Mazda Mazda5 2007 14.0 MPG Highway Percentage 23 percent Mazda Mazda5 Mazda Mazda5 2006 23.5 MPG Highway Percentage 38 percent Mazda Mazda5 Mazda Mazda5 2006 23.6 MPG Highway Percentage 36 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 MPG
2015 4dr Minivan 157-horsepower 2.5L I4
5-speed shiftable automatic FWD		 flat med light 22 0 0 78 67 23.5  
2012 4dr Minivan 157-horsepower 2.5L I4
6-speed manual FWD		 flat lead light 5 16 0 79 104 33.2  
2012 4dr Minivan 157-horsepower 2.5L I4
5-speed shiftable automatic FWD		 flat light light 3 5 16 76 64 26.3  
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 flat med none 6 26 10 57 74 25.0  
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 flat light light 9 8 45 38 76 26.4  
2009 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 flat light light 9 18 20 53 68 25.7  
2009 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 hills light light 6 12 15 67 78 27.2  
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2008 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 flat light light 2 10 36 51 64 26.6  
2008 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 hills light none 10 43 14 33 64 26.8  
2007 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 hills lead light 13 26 43 18 83 24.2  
2007 4dr Minivan 153-horsepower 2.3L I4
4-speed shiftable automatic FWD		 hills light light 1 35 40 23 83 14.0  
2006 4dr Minivan 157-horsepower 2.3L I4
5-speed manual FWD		 flat med none 26 11 25 38 116 23.5  
2006 4dr Minivan 157-horsepower 2.3L I4
4-speed shiftable automatic FWD		 flat light none 7 25 32 36 80 23.6  

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This page shows only averages. See all the Mazda Mazda5 fuel economy data.

Lexus IS vs. Mazda Mazda5 MPG

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 Lexus IS and Mazda Mazda5's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

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

TrueDelta Reviews the Real Gas Mileage of the Lexus IS

Lexus IS Real Gas Mileage: Cons
YearComment
The 2014 IS 350 manages 19 mpg in the EPA city test, and 28 in the highway test. While these figures tie those for the Cadillac ATS 3.6, they're short of the 23/33 achieved by the BMW 335i. Also, with both the BMW and the Cadillac you can step down to more efficient turbocharged four-cylinder engines. With the new IS, your only other engine option is a small V6, and its fuel economy is only a couple mpg better than that of the big V6 (21/30). The BMW has a further advantage: you can set the steering and suspension to "Sport" without forcing the transmission to hold a lower gear. In the 2014 IS 350 F Sport, the sport modes are "all or nothing." Select one to firm up the steering and suspension, and the transmission won't shift beyond sixth gear, reducing fuel economy. Lexus should follow Audi's lead and offer an "Individual" mode, where each system (powertrain, steering, suspension, etc.) can be set separately. see full Lexus IS review
 

What Our Members Are Saying about the Real Gas Mileage of the Lexus IS

Lexus IS Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 Almost as good as Prius, this is the hybrid 250h see full Lexus IS review
2010 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 Our 2010 IS 250 has given us 30 mph highway mileage. I consider it very very good. see full Lexus IS review
2009 4dr Sedan 306-horsepower 3.5L V6
6-speed shiftable automatic RWD		 Excellent fuel economy... overall 24 mpg city and highway combined. As high as 32 mpg highway driving in Arizona mountains. see full Lexus IS review
2009 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 Good highway fuel economy, can average 30+ mpg see full Lexus IS review
2008 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 My real world economy has been 33 mpg hwy (not the computer figure, an optimistic 34.5-35)which is better than expected and slightly over 20 in city driving (not heavy traffic), also better than expected see full Lexus IS review
2008 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 Good fuel economy for a 1600kg car with AWD. see full Lexus IS review
2006 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 At around 200hp, it isnt the fastest luxury sedan. However, on my roadtrip across the eastern / mid eastern USA I was able to get ~33 ish mpg (computer reported) on flat terrain and premium fuel. City mpg is what I expect,22-25ish. But I think it is great as a long distance comfortable vehicle. see full Lexus IS review
Lexus IS Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 Wish it got better fuel economy for such a small car and engine... Sticker is 21/29, I'm averaging 27MPG (computer read); avg on hwy is about 33-34 mpg while city is about 19-23mpg. Engine variety would help, a 4 cyl + turbo or something, but toyota/lexus isn't exactly known for that. see full Lexus IS review
2002 4dr Wagon 215-horsepower 3.0L I6
5-speed shiftable automatic RWD		 For a small, relatively modestly powered car, it gets poor economy. Corvettes and most Porsches get better economy. see full Lexus IS review
 

What Our Members Are Saying about the Real Gas Mileage of the Mazda Mazda5

Mazda Mazda5 Real Gas Mileage: Pros
YearBody/PowertrainComment
2014 4dr Minivan 157-horsepower 2.5L I4
5-speed shiftable automatic FWD		 The Mazda5 doesn't get great milage. But it's better than other minivans and most CUVs. Of the alternatives I shopped, the Mazda was the most frugal on gas. see full Mazda Mazda5 review
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 Impressive considering all this vehicle can do (carry six, or a bunch of stuff). Driven with some restraint (60-65), I can average 30+ mpg on my weekly commute. With a microvan that can seat six. see full Mazda Mazda5 review
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 Impressive considering all this vehicle can do (carry six, or a bunch of stuff). Driven with some restraint (60-65), I can average 30+ mpg on my weekly commute. With a microvan that can seat six. see full Mazda Mazda5 review
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 USED LESS GAS THAN MY OLD 97 VOYAGER see full Mazda Mazda5 review
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 Best among all minivans see full Mazda Mazda5 review
2010 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 Comparable to most compact cars. see full Mazda Mazda5 review
2009 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 Better than our previous mini-van, mostly because of size. We drive it harder, so some of that advantage is lost :) see full Mazda Mazda5 review
2009 4dr Minivan 153-horsepower 2.3L I4
5-speed shiftable automatic FWD		 reasonable gas mileage for a car that can hold 6. see full Mazda Mazda5 review
2008 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 Avg under 10L/100km one of buying criteria. good on hwy and not as bad as full sized van in city. Good for long summer road trips. see full Mazda Mazda5 review
2008 4dr Minivan 153-horsepower 2.3L I4
5-speed manual FWD		 With a flexible 4 cylinder engine, and an available manual transmission, I average almost 30mpg with seating for 6 see full Mazda Mazda5 review
Mazda Mazda5 Real Gas Mileage: Cons
YearBody/PowertrainComment
2014 4dr Minivan 157-horsepower 2.5L I4
5-speed shiftable automatic FWD		 If only. If only Skyactiv came out during the 5's redesign. While gas usage is better than the competition, it's far worse than it could be. Just popping in Mazda's latest engine and tranmission combo would surely give several more mpg. Just a 10% improvement would make me happier. see full Mazda Mazda5 review
2007 4dr Minivan 153-horsepower 2.3L I4
4-speed shiftable automatic FWD		 It uses twice as much fuel as a Prius. see full Mazda Mazda5 review
2006 4dr Minivan 157-horsepower 2.3L I4
4-speed shiftable automatic FWD		 vehicle is heavy for its size so the fuel economy is not that great. see full Mazda Mazda5 review
2006 4dr Minivan 157-horsepower 2.3L I4
4-speed shiftable automatic FWD		 My 4 speed automatic yields about 10.5 L/100 km on 50/50 highway and city driving with a conscious effort to stick to the speed limit and driving as if I had an egg under my right foot. Eh, I thought it would AT LEAST be under 10. see full Mazda Mazda5 review