Infiniti M vs. Honda Insight MPG

Chart is based on 136 fuel economy reports for the Infiniti M and 262 fuel economy reports for the Honda Insight.

Infiniti M 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
2013	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic AWD	hills	light	light	12	26	29	34	68	22.8
2012	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic AWD	flat	med	light	3	23	32	42	80	21.1
2012	4dr Sedan 302-horsepower 3.5L V6 Hybrid 7-speed shiftable automatic RWD	flat	light	hvy	0	50	20	30	80	22.1
2011	4dr Sedan 420-horsepower 5.6L V8 7-speed shiftable automatic RWD	flat	med	hvy	35	35	5	25	75	19.3
2011	4dr Sedan 420-horsepower 5.6L V8 7-speed shiftable automatic AWD	flat	med	light	7	31	25	37	67	18.4
2011	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic RWD	flat	med	light	5	45	10	40	60	21.0
2011	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic AWD	flat	med	light	5	24	30	40	70	20.0
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2010	4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic AWD	flat	med	none	10	10	40	40	75	14.0
2010	4dr Sedan 303-horsepower 3.5L V6 7-speed shiftable automatic RWD	flat	light	hvy	0	3	12	85	70	22.0
2009	4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic AWD	flat	med	light	6	14	15	65	69	15.5
2009	4dr Sedan 303-horsepower 3.5L V6 7-speed shiftable automatic RWD	flat	med	light	0	0	80	20	60	22.0
2009	4dr Sedan 303-horsepower 3.5L V6 5-speed shiftable automatic AWD	hills	med	light	20	40	10	30	65	21.0
2008	4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic RWD	flat	lead	hvy	35	15	5	45	75	17.0
2008	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic RWD	flat	med	light	21	17	18	45	67	19.7
2008	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic AWD	hills	med	light	9	10	15	66	68	20.0
2007	4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic RWD	flat	med	light	4	35	38	23	70	15.9
2007	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic RWD	flat	light	light	20	28	23	29	71	19.8
2007	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic AWD	flat	med	light	2	21	42	35	68	20.0
2006	4dr Sedan 335-horsepower 4.5L V8 5-speed shiftable automatic RWD	flat	light	light	10	13	17	60	73	19.3
2006	4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD	flat	med	light	9	28	23	39	68	19.9
2006	4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD	flat	med	light	9	17	26	47	75	19.0
2006	0 280-horsepower 3.5L V6 5-speed shiftable automatic AWD	flat	light	hvy	5	55	30	10	110	15.4
2004	4dr Sedan 340-horsepower 4.5L V8 5-speed shiftable automatic RWD	hills	med	light	13	8	45	35	78	19.9
2003	4dr Sedan 340-horsepower 4.5L V8 5-speed shiftable automatic RWD	flat	med	light	13	33	17	36	78	18.4

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

Honda Insight 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
2011	4dr Hatch 98-horsepower 1.3L I4 Hybrid CVT FWD	flat	med	light	12	31	26	32	79	44.7
2011	4dr Hatch 98-horsepower 1.3L I4 Hybrid 7-speed shiftable CVT FWD	mtns	light	none	1	10	23	66	58	52.9
2010	4dr Hatch 98-horsepower 1.3L I4 Hybrid CVT FWD	flat	light	none	3	10	16	71	66	47.0
2010	4dr Hatch 98-horsepower 1.3L I4 Hybrid 7-speed shiftable CVT FWD	flat	light	light	7	27	24	42	66	45.9
2009.5	4dr Hatch 98-horsepower 1.3L I4 Hybrid CVT FWD	flat	light	light	20	30	30	20	65	45.8
2006	2dr Hatch 73-horsepower 1.0L I3 Hybrid CVT FWD	flat	v.lt	hvy	1	1	1	97	60	59.9
2005	2dr Hatch 73-horsepower 1.0L I3 Hybrid 5-speed manual FWD	flat	med	none	0	0	40	60	60	50.0
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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	59.1
2000	2dr Hatch 73-horsepower 1.0L I3 Hybrid 5-speed manual FWD	flat	light	light	13	15	30	43	80	61.4

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

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

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

Infiniti M Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2011	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic AWD	Fuel economy is abysmal around town. I guess that's the price you pay for going grocery shopping with over 300 HP. However, on the highway it's very possible to exceed the EPA mileage number. see full Infiniti M review
2006	4dr Sedan 335-horsepower 4.5L V8 5-speed shiftable automatic RWD	V8 power--it's a gas guzzler and could've used an extra 1 or 2 speeds more since it revs so high at highway speeds. see full Infiniti M review
2006	4dr Sedan 335-horsepower 4.5L V8 5-speed shiftable automatic RWD	78,000 miles primarily city driving and rarely use AC-16.9 mpg. 4.5 L V8 great power train with RWD-great fun to drive. see full Infiniti M review

Infiniti M Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2012	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic AWD	I get around 17 city/25 highway. Not impressive but this is not why you buy a car like this. see full Infiniti M review
2011	4dr Sedan 330-horsepower 3.7L V6 7-speed shiftable automatic RWD	I get average about 22 MPG with 80% of highway driving, this is with baby footing of the car, in town and climbing the hill, the milage can drop to 18-19. see full Infiniti M review
2011	4dr Sedan 420-horsepower 5.6L V8 7-speed shiftable automatic AWD	Fairly poor. see full Infiniti M review
2008	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic RWD	average 21 hwy see full Infiniti M review
2008	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic RWD	needs a 6th gear, since there is too much revving in 5th gear while cruising. they put a 6th gear in the 2009 version see full Infiniti M review
2008	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic AWD	Gas mileage stinks. see full Infiniti M review
2007	4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic RWD	16.9 in city traffice 18.nothing on the highway...blah! see full Infiniti M review
2007	4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic RWD	Averages about 18.5 mpg in mixed suburban/urban/freeway driving. Can get thirsty when you get on the gas, but duh... see full Infiniti M review
2007	4dr Sedan 275-horsepower 3.5L V6 5-speed shiftable automatic AWD	Large cars get poor milage. 18-20 mpg would like an option to trade some performance for added MPG. see full Infiniti M review
2006	4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD	Often avergaed as low as 16mpg on a tank-full of gas. see full Infiniti M review

TrueDelta Reviews the Real Gas Mileage of the Honda Insight

Honda Insight Real Gas Mileage: Pros
Year	Comment
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
Year	Body/Powertrain	Comment
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