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Infiniti G vs. Kia Optima Fuel Economy (km/L)

Chart is based on 758 fuel economy reports for the Infiniti G and 152 fuel economy reports for the Kia Optima.

Infiniti G km/L

Infiniti G Infiniti G 2013 51.9 MPG Highway Percentage 72 percent Infiniti G Infiniti G 2013 40.5 MPG Highway Percentage 41 percent Infiniti G Infiniti G 2012 60.1 MPG Highway Percentage 100 percent Infiniti G Infiniti G 2012 55.7 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2011 49.0 MPG Highway Percentage 42 percent Infiniti G Infiniti G 2011 49.3 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2011 60.5 MPG Highway Percentage 75 percent Infiniti G Infiniti G 2010 27.4 MPG Highway Percentage 68 percent Infiniti G Infiniti G 2010 51.6 MPG Highway Percentage 52 percent Infiniti G Infiniti G 2010 51.7 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2010 42.3 MPG Highway Percentage 5 percent Infiniti G Infiniti G 2010 60.1 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2009 54.5 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2009 43.7 MPG Highway Percentage 31 percent Infiniti G Infiniti G 2009 57.6 MPG Highway Percentage 91 percent Infiniti G Infiniti G 2009 48.5 MPG Highway Percentage 33 percent Infiniti G Infiniti G 2009 35.3 MPG Highway Percentage 10 percent Infiniti G Infiniti G 2009 45.9 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2009 47.9 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2009 48.6 MPG Highway Percentage 48 percent Infiniti G Infiniti G 2008 49.1 MPG Highway Percentage 62 percent Infiniti G Infiniti G 2008 43.8 MPG Highway Percentage 34 percent Infiniti G Infiniti G 2008 43.9 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2008 48.5 MPG Highway Percentage 35 percent Infiniti G Infiniti G 2008 44.8 MPG Highway Percentage 40 percent Infiniti G Infiniti G 2007 49.3 MPG Highway Percentage 37 percent Infiniti G Infiniti G 2007 49.4 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2007 34.9 MPG Highway Percentage 47 percent Infiniti G Infiniti G 2007 43.6 MPG Highway Percentage 50 percent Infiniti G Infiniti G 2007 26.7 MPG Highway Percentage 5 percent Infiniti G Infiniti G 2006 49.6 MPG Highway Percentage 43 percent Infiniti G Infiniti G 2006 47.0 MPG Highway Percentage 48 percent Infiniti G Infiniti G 2006 48.8 MPG Highway Percentage 55 percent Infiniti G Infiniti G 2006 47.6 MPG Highway Percentage 40 percent Infiniti G Infiniti G 2006 49.6 MPG Highway Percentage 56 percent Infiniti G Infiniti G 2005 56.5 MPG Highway Percentage 55 percent Infiniti G Infiniti G 2005 44.7 MPG Highway Percentage 30 percent Infiniti G Infiniti G 2005 38.7 MPG Highway Percentage 44 percent Infiniti G Infiniti G 2005 49.8 MPG Highway Percentage 26 percent Infiniti G Infiniti G 2005 53.8 MPG Highway Percentage 46 percent Infiniti G Infiniti G 2004 9.9 MPG Highway Percentage 60 percent Infiniti G Infiniti G 2004 49.2 MPG Highway Percentage 60 percent Infiniti G Infiniti G 2004 42.3 MPG Highway Percentage 41 percent Infiniti G Infiniti G 2004 44.4 MPG Highway Percentage 38 percent Infiniti G Infiniti G 2004 43.1 MPG Highway Percentage 21 percent Infiniti G Infiniti G 2004 44.6 MPG Highway Percentage 43 percent Infiniti G Infiniti G 2004 47.0 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2003 57.6 MPG Highway Percentage 68 percent Infiniti G Infiniti G 2003 32.7 MPG Highway Percentage 47 percent Infiniti G Infiniti G 2003 32.0 MPG Highway Percentage 35 percent Infiniti G Infiniti G 2003 49.3 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2003 10.5 MPG Highway Percentage 85 percent Infiniti G Infiniti G 2002 67.6 MPG Highway Percentage 20 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 km/L
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 3 13 13 72 69 51.9  
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 26 27 5 41 65 40.5  
2012 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat light light 0 0 0 100 75 60.1  
2012 4dr Sedan 218-horsepower 2.5L V6
7-speed shiftable automatic AWD		 flat light none 0 30 0 70 60 55.7  
2011 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat light light 9 24 25 42 66 49.0  
2011 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 2 2 46 49 74 49.3  
2011 4dr Sedan 218-horsepower 2.5L V6
7-speed shiftable automatic RWD		 flat med light 3 2 21 75 74 60.5  
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2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 8 17 8 68 106 27.4  
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 3 12 33 52 72 51.6  
2010 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD		 flat med light 7 28 7 58 73 51.7  
2010 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat lead none 5 10 80 5 60 42.3  
2010 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 4 13 13 70 80 60.1  
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 13 19 10 58 69 54.5  
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 6 30 34 31 63 43.7  
2009 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD		 flat light light 0 9 0 91 70 57.6  
2009 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat lead hvy 17 33 17 33 75 48.5  
2009 2dr Hardtop conv. 325-horsepower 3.7L V6
6-speed manual RWD		 flat lead none 10 10 70 10 70 35.3  
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 10 20 12 58 73 45.9  
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat light light 10 10 10 70 61 47.9  
2009 2dr Coupe 330-horsepower 3.7L V6
6-speed manual RWD		 hills med none 2 26 24 48 67 48.6  
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 flat med hvy 5 14 20 62 79 49.1  
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 10 23 33 34 73 43.8  
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 12 14 26 49 68 43.9  
2008 2dr Coupe 330-horsepower 3.7L V6
6-speed manual RWD		 flat light light 1 11 53 35 71 48.5  
2008 2dr Coupe 330-horsepower 3.7L V6
5-speed shiftable automatic RWD		 flat lead light 9 29 22 40 74 44.8  
2007 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 flat med light 10 29 24 37 68 49.3  
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 10 19 23 49 71 49.4  
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 7 20 27 47 79 34.9  
2007 2dr Coupe 293-horsepower 3.5L V6
6-speed manual RWD		 flat med none 5 25 20 50 70 43.6  
2007 2dr Coupe 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat lead hvy 0 93 3 5 70 26.7  
2006 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 flat med none 13 17 27 43 72 49.6  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 24 18 48 69 47.0  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 5 16 24 55 71 48.8  
2006 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 8 29 23 40 65 47.6  
2006 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 7 16 21 56 69 49.6  
2005 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 5 20 20 55 60 56.5  
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 hills med light 2 20 48 30 65 44.7  
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med none 10 31 15 44 85 38.7  
2005 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 8 24 42 26 70 49.8  
2005 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 7 28 19 46 69 53.8  
2004 4dr Sedan 280-horsepower 3.5L V6
6-speed manual RWD		 flat light none 12 16 12 60 98 9.9  
2004 4dr Sedan 260-horsepower 3.5L V6
6-speed manual RWD		 flat med light 4 21 15 60 66 49.2  
2004 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 17 31 10 41 68 42.3  
2004 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light none 11 21 30 38 67 44.4  
2004 2dr Coupe 280-horsepower 3.5L V6
6-speed manual RWD		 flat med light 12 36 31 21 66 43.1  
2004 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med none 28 18 10 43 63 44.6  
2004 2dr Coupe 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med none 10 10 10 70 60 47.0  
2003 4dr Sedan 260-horsepower 3.5L V6
6-speed manual RWD		 hills light hvy 0 19 14 68 71 57.6  
2003 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 15 29 47 85 32.7  
2003 2dr Coupe 280-horsepower 3.5L V6
6-speed manual RWD		 flat med light 11 28 26 35 92 32.0  
2003 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 5 23 23 49 70 49.3  
2003 2dr Coupe 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 5 5 5 85 100 10.5  
2002 4dr Sedan 145-horsepower 2.0L I4
5-speed manual RWD		 flat v.lt none 5 10 65 20 65 67.6  

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This page shows only averages. See all the Infiniti G fuel economy data.

Kia Optima km/L

Kia Optima Kia Optima 2019 62.7 MPG Highway Percentage 40 percent Kia Optima Kia Optima 2017 123.7 MPG Highway Percentage 20 percent Kia Optima Kia Optima 2016 91.7 MPG Highway Percentage 80 percent Kia Optima Kia Optima 2013 60.0 MPG Highway Percentage 56 percent Kia Optima Kia Optima 2013 32.8 MPG Highway Percentage 54 percent Kia Optima Kia Optima 2013 25.3 MPG Highway Percentage 71 percent Kia Optima Kia Optima 2012 60.2 MPG Highway Percentage 39 percent Kia Optima Kia Optima 2012 76.0 MPG Highway Percentage 76 percent Kia Optima Kia Optima 2011 65.8 MPG Highway Percentage 68 percent Kia Optima Kia Optima 2011 67.6 MPG Highway Percentage 67 percent Kia Optima Kia Optima 2011 70.6 MPG Highway Percentage 75 percent Kia Optima Kia Optima 2010 47.0 MPG Highway Percentage 20 percent Kia Optima Kia Optima 2010 85.2 MPG Highway Percentage 80 percent Kia Optima Kia Optima 2009 68.4 MPG Highway Percentage 67 percent Kia Optima Kia Optima 2008 61.9 MPG Highway Percentage 10 percent Kia Optima Kia Optima 2008 61.6 MPG Highway Percentage 25 percent Kia Optima Kia Optima 2007 12.6 MPG Highway Percentage 78 percent Kia Optima Kia Optima 2007 54.7 MPG Highway Percentage 15 percent Kia Optima Kia Optima 2006.5 57.8 MPG Highway Percentage 58 percent Kia Optima Kia Optima 2006.5 67.9 MPG Highway Percentage 56 percent Kia Optima Kia Optima 2006.5 70.6 MPG Highway Percentage 90 percent Kia Optima Kia Optima 2005 28.5 MPG Highway Percentage 0 percent Kia Optima Kia Optima 2004 70.6 MPG Highway Percentage 95 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 km/L
2019 4dr Sedan turbocharged 245hp 2.0L I4
6-speed shiftable automatic FWD		 flat med hvy 0 10 50 40 70 62.7  
2017 4dr Sedan 154-horsepower 2.0L I4 Hybrid
6-speed shiftable automatic FWD		 flat light light 30 30 20 20 70 123.7  
2016 4dr Sedan turbocharged 178hp 1.6L I4
7-speed automated manual FWD		 hills light light 6 0 14 80 67 91.7  
2013 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 flat light light 0 24 21 56 69 60.0  
2013 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light none 0 32 14 54 83 32.8  
2013 4dr Sedan 159-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD		 flat v.lt none 2 13 15 71 102 25.3  
2012 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 hills light light 4 18 39 39 72 60.2  
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2012 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat med none 0 4 20 76 69 76.0  
2011 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 hills med light 0 5 28 68 70 65.8  
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD		 hills light none 4 7 21 67 66 67.6  
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed manual FWD		 flat med light 0 5 20 75 75 70.6  
2010 4dr Sedan 194-horsepower 2.7L V6
5-speed shiftable automatic FWD		 flat med light 0 10 70 20 75 47.0  
2010 4dr Sedan 175-horsepower 2.4L I4
5-speed shiftable automatic FWD		 flat light none 0 0 20 80 63 85.2  
2009 4dr Sedan 175-horsepower 2.4L I4
5-speed shiftable automatic FWD		 flat light light 5 12 16 67 65 68.4  
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed shiftable automatic FWD		 flat light light 20 60 10 10 60 61.9  
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed manual FWD		 flat lead light 30 15 30 25 75 61.6  
2007 4dr Sedan 185-horsepower 2.7L V6
5-speed shiftable automatic FWD		 flat med none 7 13 3 78 108 12.6  
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 hills med none 1 36 48 15 63 54.7  
2006.5 4dr Sedan 185-horsepower 2.7L V6
5-speed shiftable automatic FWD		 flat light hvy 6 4 33 58 66 57.8  
2006.5 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 flat light light 18 16 9 56 63 67.9  
2006.5 4dr Sedan 161-horsepower 2.4L I4
5-speed manual FWD		 flat light hvy 0 0 10 90 60 70.6  
2005 4dr Sedan 170-horsepower 2.7L V6
4-speed shiftable automatic FWD		 hills lead light 5 95 0 0 0 28.5  
2004 4dr Sedan 138-horsepower 2.4L I4
5-speed manual FWD		 flat light hvy 0 0 5 95 70 70.6  

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This page shows only averages. See all the Kia Optima fuel economy data.

Infiniti G vs. Kia Optima Fuel Economy (km/L)

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 Infiniti G and Kia Optima's where a car was driven. So you can get an idea of their real-world km/L based on how and where you drive a car.

See TrueDelta's information for all Infiniti models and Kia models.

What Our Members Are Saying about the Real Gas Mileage of the Infiniti G

Infiniti G Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 My average for the life of the car is 21MPG. Not too bad for a car with this power and my lead foot. see full Infiniti G review
Infiniti G Real Gas Mileage: Cons
YearBody/PowertrainComment
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 Can live with it because of the performance, but wish the mileage was better and premium fuel was not required. see full Infiniti G review
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 What the powertrain giveth, the fuel economy taketh away. Nissan's VQ engines just seem to be thirsty - if you commute in heavy traffic, especially for short trips, don't be surprised at 15.5-16 mpg tanks. I don't know what mostly-highway commuting would look like, but maybe 22-25 mpg depending on driving style. see full Infiniti G review
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 To be honest, it is exactly what I expected, so no real beefs with it. That said, if you are looking for a car that gets better than 19 or so combined, this is not it. Decent freeway miles (24-27/g) but in city it is hard to beat 16/g. see full Infiniti G review
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 Fuel economy is poor - about 19 MPG average. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 You do not buy a performance car and expect to get good gas mileage. At a 5 mpg or greater difference from my last car, it is taking some getting used too. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 average 18 in town 24 highway. see full Infiniti G review
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 With such a large displaced engine and so much power you will find that you will have so-so mpg if you drive mainly in the city like I do. Especially if you are a "spirited" driver like I tend to be. I am averaging about 14-16mpg 95% city. On the highway its a different story. I have averaged up to 28mpg @ 78mph, I kind of wish I drove more on the highway. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 While not terrible, ~20mpg is by no means phenomenal. Relatively comparable cars get ~23-27mpg, but typically also have smaller engines which explains a good portion of the difference. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Takes a lot of fuel... 14L/100km about. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 Not too great. My average is 19 - 20 mpg, mostly city. see full Infiniti G review
 

TrueDelta Reviews the Real Gas Mileage of the Kia Optima

Kia Optima Real Gas Mileage: Pros
YearComment
2013 Many auto makers are substituting turbocharged fours for V6s because of their theoretically superior fuel economy. The Kia Optima SXL earns EPA ratings of 22 mpg city, 34 highway. The similarly turbo-foured Ford Fusion comes close, 22/33. The most fuel efficient V6, in the new Honda Accord, manages 21/34 without paddle shifters, but 21/32 with them. Trip computer numbers suggest a one-to-two mpg advantage for the Kia in real-world suburban driving--perhaps too close to call since these devices aren't terribly precise. Figure just under 20 with a heavy foot, mid-20s if you resist the temptation, and just over 30 with a very light foot and luck with the lights. All of these figures are with the engine warmed up. In cold weather, fuel economy is in the mid-teens for the first mile or two. An eco mode makes little noticeable difference in either how the car drives or its fuel economy. These numbers don't seem particularly good? Recall that the Kia Optima SXL is a very quick car. You won't find a 274-horsepower sedan that does better without the aid of a battery pack. see full Kia Optima review
 

What Our Members Are Saying about the Real Gas Mileage of the Kia Optima

Kia Optima Real Gas Mileage: Pros
YearBody/PowertrainComment
2013 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 I find fuel economy, in mixed driving, to be on par with a V6 of comparable power. I usually get about 24 MPG in combined driving. However, on a recent road trip, I had 32 MPG on one tank. It's perhaps slightly better than the Acura TL I had, but one big bonus: the Acura required premium unleaded. On the Kia Optima, however, the manufacturer only calls for regular unleaded. Over time, that can mean a significant savings. see full Kia Optima review
2012 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 This is my biggest (and only real) complaint with the Optima. It advertises fuel economy of 22 city, 34 highway. I drive a lot (100 mile round trip daily, with more than half of it being highway miles). Admittedly, I have a heavy foot, but I regularly get about 24-25 mpg combined, with the car in ECO mode. The best tank of gas I ever got was a little over 28 mpg. (I calculate it manually, don't rely on the on-board MPG estimates, as they are always 3-5 MPG more generous than reality.) see full Kia Optima review
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD		 High 30s on the highway and 29-30 overall with a lot of power. Active eco. setting for better economy. see full Kia Optima review
2011 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 33 mpg on 200 mile trips at about 65 mph avg. see full Kia Optima review
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed manual FWD		 Decent fuel mileage at this point for a mid-size sedan. see full Kia Optima review
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 25-30 city/hwy see full Kia Optima review
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 It may be a bit borderline in 100% city driving (19-20 mpg), but it gets 33mpg+ on the open highway, with only a 1-2 mpg penalty for using A/C. see full Kia Optima review
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 got 42 mgh yesteerday on a 120 minute drive 25%/75% in town/highway driving. Like paying $2.25 per gallon, see full Kia Optima review
2005 4dr Sedan 170-horsepower 2.7L V6
4-speed shiftable automatic FWD		 AS above see full Kia Optima review
Kia Optima Real Gas Mileage: Cons
YearBody/PowertrainComment
2012 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD		 I'd recommend this car in a heartbeat. I honestly like this styling even more than the updates they've made since 2012. My biggest cons are the fuel economy and the lack of a manual transmission on any models other than the base model. see full Kia Optima review