Lexus NX vs. Kia Optima MPG

Chart is based on 1 fuel economy reports for the Lexus NX and 152 fuel economy reports for the Kia Optima.

Lexus NX MPG

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
2017	4dr SUV turbocharged 235hp 2.0L I4 6-speed shiftable automatic FWD	flat	light	none	0	0	20	80	80	26.7

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

Kia Optima MPG

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
2019	4dr Sedan turbocharged 245hp 2.0L I4 6-speed shiftable automatic FWD	flat	med	hvy	0	10	50	40	70	26.7
2017	4dr Sedan 154-horsepower 2.0L I4 Hybrid 6-speed shiftable automatic FWD	flat	light	light	30	30	20	20	70	52.6
2016	4dr Sedan turbocharged 178hp 1.6L I4 7-speed automated manual FWD	hills	light	light	6	0	14	80	67	39.0
2013	4dr Sedan turbocharged 274hp 2.0L I4 6-speed shiftable automatic FWD	flat	light	light	0	24	21	56	69	25.5
2013	4dr Sedan 200-horsepower 2.4L I4 6-speed shiftable automatic FWD	flat	light	none	0	32	14	54	83	27.1
2013	4dr Sedan 159-horsepower 2.4L I4 Hybrid 6-speed shiftable automatic FWD	flat	v.lt	none	2	13	15	71	102	32.5
2012	4dr Sedan turbocharged 274hp 2.0L I4 6-speed shiftable automatic FWD	hills	light	light	4	18	39	39	72	25.6
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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	32.3
2011	4dr Sedan turbocharged 274hp 2.0L I4 6-speed shiftable automatic FWD	hills	med	light	0	5	28	68	70	28.0
2011	4dr Sedan 200-horsepower 2.4L I4 6-speed shiftable automatic FWD	hills	light	none	4	7	21	67	66	28.7
2011	4dr Sedan 200-horsepower 2.4L I4 6-speed manual FWD	flat	med	light	0	5	20	75	75	30.0
2010	4dr Sedan 194-horsepower 2.7L V6 5-speed shiftable automatic FWD	flat	med	light	0	10	70	20	75	20.0
2010	4dr Sedan 175-horsepower 2.4L I4 5-speed shiftable automatic FWD	flat	light	none	0	0	20	80	63	36.2
2009	4dr Sedan 175-horsepower 2.4L I4 5-speed shiftable automatic FWD	flat	light	light	5	12	16	67	65	29.1
2008	4dr Sedan 162-horsepower 2.4L I4 5-speed shiftable automatic FWD	flat	light	light	20	60	10	10	60	26.3
2008	4dr Sedan 162-horsepower 2.4L I4 5-speed manual FWD	flat	lead	light	30	15	30	25	75	26.2
2007	4dr Sedan 185-horsepower 2.7L V6 5-speed shiftable automatic FWD	flat	med	none	7	13	3	78	108	29.5
2007	4dr Sedan 161-horsepower 2.4L I4 5-speed shiftable automatic FWD	hills	med	none	1	36	48	15	63	23.2
2006.5	4dr Sedan 185-horsepower 2.7L V6 5-speed shiftable automatic FWD	flat	light	hvy	6	4	33	58	66	24.6
2006.5	4dr Sedan 161-horsepower 2.4L I4 5-speed shiftable automatic FWD	flat	light	light	18	16	9	56	63	28.9
2006.5	4dr Sedan 161-horsepower 2.4L I4 5-speed manual FWD	flat	light	hvy	0	0	10	90	60	30.0
2005	4dr Sedan 170-horsepower 2.7L V6 4-speed shiftable automatic FWD	hills	lead	light	5	95	0	0	0	12.1
2004	4dr Sedan 138-horsepower 2.4L I4 5-speed manual FWD	flat	light	hvy	0	0	5	95	70	30.0

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

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TrueDelta Reviews the Real Gas Mileage of the Lexus NX

Lexus NX Real Gas Mileage: Pros
Year	Comment
2015	Even upscale manufacturers have been shifting from V6 engines to turbocharged fours for one big reason: the imperative to improve fuel economy. The Lincoln MKC's EcoBoost four isn't long on eco. With front-wheel drive (FWD), the 240-horsepower 2.0T engine scores 20 and 29 mpg in the EPA's city and highway tests, respectively. But these figures drop to 19/26 with all-wheel drive (AWD) and 18/26 with a 285-horsepower 2.3T engine option. The Audi Q5 2.0T, with standard AWD, does a bit better: 20/28. The 235-horsepower Lexus NX 200t does a bit better still, at least in city driving: 22/28 with FWD and 21/28 with AWD. In my real-world suburban driving I could nudge the trip computer-reported average as high as 33 mpg. The upper 20s were easy to achieve. The trip computer averages in the MKC were typically about three mpg lower--even though the tested crossover did not have AWD. The original Lexus RX 300, with a 220-horsepower 3.0-liter V6, wasn't nearly as efficient: 19/24 with FWD and 19/22 with AWD. One reason: its automatic had only four ratios. The NX's, like the Lincoln's has six. (The Audi's has eight.) If fuel economy is a top priority, then Audi, BMW, and Mercedes-Benz offer diesels. The Mercedes-Benz GLK250, with EPA ratings of 24/33, much more easily topped 30 mpg in my suburban driving, and averaged 40 mpg on one run home from my son's school. The BMW X3 xdrive28d tested even better, 27/34. To counter these diesels, Lexus also offers the NX in 300h form, the "h" for hybrid. I haven't driven the NX 300h, but the EPA rates it 35/31 with FWD and 33/30 with AWD. see full Lexus NX review

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

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TrueDelta Reviews the Real Gas Mileage of the Kia Optima

Kia Optima Real Gas Mileage: Pros
Year	Comment
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
Year	Body/Powertrain	Comment
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
Year	Body/Powertrain	Comment
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