Audi A7 / S7 / RS7 vs. Chevrolet HHR Fuel Economy (L/100km)

Chart is based on 45 fuel economy reports for the Audi A7 / S7 / RS7 and 393 fuel economy reports for the Chevrolet HHR.

Audi A7 / S7 / RS7 L/100km

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	L/100km
2014	4dr Hatch turbocharged 560hp 4.0L V8 8-speed shiftable automatic AWD	flat	med	light	4	1	20	75	65	11.3
2012	4dr Hatch supercharged 310hp 3.0L V6 8-speed shiftable automatic AWD	mtns	med	none	0	8	3	89	66	8.1

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

Chevrolet HHR L/100km

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	L/100km
2011	4dr Wagon 155-horsepower 2.2L I4 4-speed automatic FWD	flat	light	light	0	30	10	60	60	14.9
2010	4dr Wagon 155-horsepower 2.2L I4 4-speed automatic FWD	flat	light	none	11	21	20	48	67	8.7
2009	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	flat	med	light	10	20	30	40	60	8.1
2009	4dr Wagon turbocharged 250hp 2.0L I4 4-speed automatic FWD	flat	med	light	10	10	5	75	75	9.1
2009	4dr Wagon 172-horsepower 2.4L I4 5-speed manual FWD	flat	light	light	5	20	40	35	62	7.0
2009	4dr Wagon 172-horsepower 2.4L I4 4-speed automatic FWD	flat	light	light	8	14	30	48	63	8.5
2009	4dr Wagon 155-horsepower 2.2L I4 5-speed manual FWD	flat	light	hvy	10	0	40	50	60	8.5
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2009	4dr Wagon 155-horsepower 2.2L I4 4-speed automatic FWD	flat	v.lt	none	0	35	24	41	60	8.5
2008	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	flat	med	hvy	0	13	4	83	70	8.8
2008	4dr Wagon turbocharged 250hp 2.0L I4 4-speed automatic FWD	flat	med	none	0	0	20	80	70	8.7
2008	4dr Wagon 172-horsepower 2.4L I4 4-speed automatic FWD	flat	med	light	4	23	34	40	71	10.1
2008	4dr Wagon 149-horsepower 2.2L I4 5-speed manual FWD	flat	light	none	25	25	25	25	100	6.0
2008	4dr Wagon 149-horsepower 2.2L I4 4-speed automatic FWD	flat	med	light	8	10	13	70	70	7.9
2007	4dr Wagon 175-horsepower 2.4L I4 5-speed manual FWD	flat	med	none	5	5	50	40	68	8.0
2007	4dr Wagon 175-horsepower 2.4L I4 4-speed automatic FWD	flat	light	light	6	20	23	51	67	9.2
2007	4dr Wagon 149-horsepower 2.2L I4 5-speed manual FWD	flat	light	none	7	8	14	71	61	7.5
2007	4dr Wagon 149-horsepower 2.2L I4 4-speed automatic FWD	flat	light	none	9	12	17	62	77	8.0
2006	4dr Wagon 172-horsepower 2.4L I4 5-speed manual FWD	flat	light	light	7	15	50	28	63	7.7
2006	4dr Wagon 172-horsepower 2.4L I4 4-speed automatic FWD	flat	light	light	5	13	23	59	66	8.8
2006	4dr Wagon 143-horsepower 2.2L I4 5-speed manual FWD	flat	med	light	7	25	23	45	77	8.0
2006	4dr Wagon 143-horsepower 2.2L I4 4-speed automatic FWD	flat	med	light	8	23	21	48	71	8.7

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This page shows only averages. See all the Chevrolet HHR 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 Chevrolet HHR

Chevrolet HHR Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2010	4dr Wagon 155-horsepower 2.2L I4 4-speed automatic FWD	Average around 22mpg in the city--and up to 36 on the freeway. Combined driving easily averages 32mpg. see full Chevrolet HHR review
2009	4dr Wagon 155-horsepower 2.2L I4 4-speed automatic FWD	It gets great fuel economy. I only need to fill the tank approximately every third week. see full Chevrolet HHR review
2009	4dr Wagon 172-horsepower 2.4L I4 4-speed automatic FWD	Had a PT that avg. was 19mpg. HHR avg. is 29mpg so far. see full Chevrolet HHR review
2008	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	260hp....260 lb torque....33 mpg highway and 27mpg mixed driving....enough said. Show me another car that matches those numbers. see full Chevrolet HHR review
2008	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	Great gas mileage for a car that is so powerful. see full Chevrolet HHR review
2008	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	RE the HHR SS model, highway mileage with heavy footing out of toll booths with 3 total passengers yielded 27.5 mpg. see full Chevrolet HHR review
2008	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	For as quick as the HHR SS is, the fuel economy nearing 30MPG is phenominal. see full Chevrolet HHR review
2008	4dr Wagon turbocharged 260hp 2.0L I4 5-speed manual FWD	Twice what I was getting in my previous commuter vehicle, and much more fun to drive. see full Chevrolet HHR review
2008	4dr Wagon 172-horsepower 2.4L I4 4-speed automatic FWD	30+ MPG on the highway see full Chevrolet HHR review
2008	4dr Wagon 149-horsepower 2.2L I4 5-speed manual FWD	about 30. great see full Chevrolet HHR review

Chevrolet HHR Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2006	4dr Wagon 172-horsepower 2.4L I4 4-speed automatic FWD	Could be better considering that many larger cars get the same mileage. see full Chevrolet HHR review