Chevrolet HHR vs. Mazda RX-8 Fuel Economy (L/100km)

Chart is based on 393 fuel economy reports for the Chevrolet HHR and 202 fuel economy reports for the Mazda RX-8.

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.

Mazda RX-8 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
2010	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	1	22	22	55	74	13.9
2009	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	none	2	16	29	53	68	13.5
2008	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	3	16	15	67	72	11.3
2007	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	none	5	14	48	33	79	12.9
2007	4dr Coupe 212-horsepower 1.3L R2 6-speed shiftable automatic RWD	flat	med	light	15	24	10	51	78	10.8
2006	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	flat	med	none	9	10	13	67	66	12.8
2006	4dr Coupe 212-horsepower 1.3L R2 6-speed shiftable automatic RWD	flat	med	light	5	28	65	3	60	13.6
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2005	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	6	16	18	60	77	13.1
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	7	25	24	44	77	13.8
2004	4dr Coupe 197-horsepower 1.3L R2 4-speed shiftable automatic RWD	flat	lead	light	42	12	23	23	70	13.7

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This page shows only averages. See all the Mazda RX-8 fuel economy data.

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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

What Our Members Are Saying about the Real Gas Mileage of the Mazda RX-8

Mazda RX-8 Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2009	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	One of the big downsides of the rotary is truly horrendous fuel economy. When the RX-8 first came out in the early 2000s, its mileage ratings of 16/22 city/highway mpg (stick shift) were just barely acceptable, but there days, with many crossovers hitting more than 30 mpg on the highway, those figures are truly atrocious, especially given respectable but certainly not neck-snapping power. Futhermore, it takes premium. If you're using the RX-8 as it commuter, fuel costs will add up quickly. In my predominantly around-town driving, I typically average between 16-17 mpg. My highest recorded average was 20 mpg on a highway trip at speeds around 75 mph. see full Mazda RX-8 review
2007	4dr Coupe 212-horsepower 1.3L R2 6-speed shiftable automatic RWD	The EPA numbers are way low compared with my real-world experience. The window sticker showed 18/25 and I have never seen less than 23 with my 40/60 city/highway commute. I think Mazda should develop a lean-burn economy cruise mode for this car. see full Mazda RX-8 review
2006	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	Lite bit to high consumption when I drive it in normal speed. On full woot its ok. see full Mazda RX-8 review
2005	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	Worst fuel economy in its class. see full Mazda RX-8 review
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	Not that bad for what it is, but it seems to me that Mazda's Sky Active technology could help the city mileage. It just needs more R&D. see full Mazda RX-8 review
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	At 16 m.p.g. on premium grade these days it could be cheaper to take a taxi. see full Mazda RX-8 review
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	For a small engine displacement and a relatively light vehicle weight, the gas mileage is weak. I usualy get around 19mpg, and that does not realy matter if I am doing all city or all highway driving. I think the real problem is in the sixth gear it isnt much different than fifth gear so it does not provide good fuel economy. see full Mazda RX-8 review
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	For a car with a 1.9 liter engine I would have expected better than 16-19 MPG. Get your foot into it and the numbers fall drastically. Otherwise I loved that car. It just got too small with a newborn and a big dog. see full Mazda RX-8 review
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	I gets 20MPG no matter what I do. Running around 20. 1/2 highway 20. All the highway all day 25-26. I think that it could do better. see full Mazda RX-8 review
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	16-18MPG city, 24MPG highway see full Mazda RX-8 review