Audi A7 / S7 / RS7 vs. Infiniti M MPG

Chart is based on 45 fuel economy reports for the Audi A7 / S7 / RS7 and 136 fuel economy reports for the Infiniti M.

Audi A7 / S7 / RS7 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
2014	4dr Hatch turbocharged 560hp 4.0L V8 8-speed shiftable automatic AWD	flat	med	light	4	1	20	75	65	21.2
2012	4dr Hatch supercharged 310hp 3.0L V6 8-speed shiftable automatic AWD	mtns	med	none	0	8	3	89	66	29.1

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This page shows only averages. See all the Audi A7 / S7 / RS7 fuel economy data.

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.

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TrueDelta Reviews the Real Gas Mileage of the Audi A7 / S7 / RS7

Audi A7 / S7 / RS7 Real Gas Mileage: Pros
Year	Comment
2014	Now for the second half of the Audi A7 TDI's one-two punch: its diesel engine. No one denies the efficiency of diesels, and the latest Audi V6 doesn't disappoint. In the EPA's tests the TDI achieves 24 mpg city, 38 mpg highway. The gas engine's 18/28 ratings are impressive for a powerful gas V6 in a heavy all-wheel-drive car, but are no match for the diesel's. In my real-world driving the A7 TDI's trip computer generally reported mid-30s in the suburbs and about 40 on the highway (a little under this number on 70-mph Interstates, a little over it where speed limits were lower). Diesel can be unpleasant to put in the car--it's slimy and does not evaporate if spilled like gas does--but the A7 TDI can go up to 800 miles between fill-ups. In comparison, the gas V6 manages low 20s in the suburbs and high 20s on the highway. This said, the competing diesel from BMW is even more efficient. see full Audi A7 / S7 / RS7 review

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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