Audi A7 / S7 / RS7 vs. Porsche Cayman Fuel Economy (g/100m)

Chart is based on 45 fuel economy reports for the Audi A7 / S7 / RS7 and 20 fuel economy reports for the Porsche Cayman.

Audi A7 / S7 / RS7 g/100m

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	g/100m
2014	4dr Hatch turbocharged 560hp 4.0L V8 8-speed shiftable automatic AWD	flat	med	light	4	1	20	75	65	4.8
2012	4dr Hatch supercharged 310hp 3.0L V6 8-speed shiftable automatic AWD	mtns	med	none	0	8	3	89	66	3.4

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

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	g/100m
2008	2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD	flat	med	light	10	31	15	44	69	4.6
2008	2dr Hatch 245-horsepower 2.7L H6 5-speed manual RWD	flat	med	light	0	0	25	75	70	3.9
2007	2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD	flat	med	light	0	0	95	5	60	4.8
2007	2dr Hatch 295-horsepower 3.4L H6 5-speed shiftable automatic RWD	flat	med	hvy	25	25	5	45	70	4.4
2007	2dr Hatch 245-horsepower 2.7L H6 5-speed manual RWD	hills	med	light	0	14	36	50	73	11.0
2006	2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD	flat	lead	none	14	15	24	47	70	5.1
2006	2dr Hatch 295-horsepower 3.4L H6 5-speed shiftable automatic RWD	flat	med	none	0	85	0	15	60	5.4

This page shows only averages. See all the Porsche Cayman fuel economy data.

See TrueDelta's information for all Hatchbacks

See TrueDelta's information for all Audi models and Porsche models.

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

None of our members have yet commented on the real gas mileage of the Audi A7 / S7 / RS7.

Porsche Cayman Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2008	2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD	It is better than I expected. I average roughly 23 miles with city and highway commuting on days I choose to take it to the office. On trips I can get 26 mpg, not stellar but not awful. see full Porsche Cayman review
2008	2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD	Fuel economy is reasonable relative to the car's performance - 20 mpg, plus or minus a couple depending on the balance of city versus highway driving. see full Porsche Cayman review

Porsche Cayman Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2007	2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD	It sucks if you are driving the car correctly. On the slab I can see 26 mpg. see full Porsche Cayman review