Chevrolet Volt vs. Mazda RX-8 MPG

Chart is based on 9 fuel economy reports for the Chevrolet Volt and 202 fuel economy reports for the Mazda RX-8.

Chevrolet Volt 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
2017	4dr Hatch 149-horsepower Plug-in Hybrid CVT FWD	hills	med	light	10	10	0	80	75	90.5
2014	4dr Hatch 149-horsepower Electric + Gas CVT FWD	mtns	light	hvy	1	2	16	83	98	46.7
2012	4dr Hatch 149-horsepower Electric + Gas CVT FWD	flat	light	none	0	3	39	59	60	57.0

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This page shows only averages. See all the Chevrolet Volt fuel economy data.

Mazda RX-8 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
2010	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	1	22	22	55	74	17.1
2009	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	none	2	16	29	53	68	17.5
2008	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	3	16	15	67	72	20.9
2007	4dr Coupe 232-horsepower 1.3L R2 6-speed manual RWD	flat	med	none	5	14	48	33	79	18.4
2007	4dr Coupe 212-horsepower 1.3L R2 6-speed shiftable automatic RWD	flat	med	light	15	24	10	51	78	22.5
2006	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	flat	med	none	9	10	13	67	66	19.1
2006	4dr Coupe 212-horsepower 1.3L R2 6-speed shiftable automatic RWD	flat	med	light	5	28	65	3	60	17.3
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2005	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	6	16	18	60	77	18.6
2004	4dr Coupe 238-horsepower 1.3L R2 6-speed manual RWD	flat	med	light	7	25	24	44	77	17.5
2004	4dr Coupe 197-horsepower 1.3L R2 4-speed shiftable automatic RWD	flat	lead	light	42	12	23	23	70	17.3

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

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TrueDelta Reviews the Real Gas Mileage of the Chevrolet Volt

Chevrolet Volt Real Gas Mileage: Pros
Year	Comment
2016	From the start, the primary reason to buy either the Chevrolet Volt or the Toyota Prius has been energy efficiency. Which is more efficient depends on how many miles you tend to drive each day. The Volt is a car like no other. It can travel much farther and accelerate much more quickly on electricity alone than other plug-in hybrids. Consequently, it usually operates like a fully electric vehicle (EV). Other plug-in hybrids must rely much more often on their gasoline engines. While the Volt can't travel nearly as far on electricity alone as pure EVs, they don't have a gas engine as a backup. As long as there's a fossil fuel dispensary around you never have to worry about running out of juice in the Volt. How much farther can the new Volt travel on a full charge? GM's engineers enlarged and improved the battery pack, increased the efficiency of the electric motor and transmission, and reduced the car's weight by a massive 240 pounds. These changes increased the car's battery-powered range in the EPA's test from 38 to 53 miles. The 2012-2015 Prius Plug-in Hybrid had a range of only 11 miles even with the gas engine assisting with acceleration. (The upcoming Prius Prime should do better, but will likely still have much less battery-powered range and performance than the Volt.) As in all EVs and plug-ins, though, cold weather or heavy A/C use will significantly reduce the Volt's range. If your drives are rarely long enough to run the Volt's battery down, and you live in an area where the price of electricity is at or below the national average (or discounted at night), the Volt will cost less to operate than the Prius. Be aware that the price of electricity varies far more than the price of gasoline depending on where you live. Also, with gas prices down and the Prius's fuel efficiency up, the advantage of running on electricity isn't as large as it used to be. If your electricity is expensive, the Prius will actually cost less to drive. But will gas prices remain low? If you do need to run the new Volt on gasoline, then it manages very good but not amazing fuel economy, 42 mpg combined in the EPA's tests (up from the 2011-2015's 37 mpg). The Prius Eco scored 56 mpg, and in my driving easily exceeded this number. If your focus is on the environment rather than the cost of fuel, the Volt at least potentially uses cleaner energy (depending on the source of your electricity). Fully charging the Volt via a standard household outlet can take up to 13 hours. If you regularly drive more than 25 miles per day you'll probably want to get a 240-volt charger, which reduces the charge time to about four hours. see full Chevrolet Volt review

What Our Members Are Saying about the Real Gas Mileage of the Chevrolet Volt

Chevrolet Volt Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2017	4dr Hatch 149-horsepower Plug-in Hybrid CVT FWD	I bought the Volt because it meets my stringent requirements: It must run on electric only until the battery depletes, but it must also allow me to drive the 300 miles round trip to pick up my wine in Central Washington without requiring a wait to recharge. If I drive less than 55 miles per day, I can use zero gas, which happens 80% of my drives. Just shy of 5000 miles now, and I've used 20 gallons of gas and just over $100 of electricity. It's not so much the lower fuel expense for me (but it's nice to have), it's more the reduction of emissions especially in the water-power Pacific Northwest region. see full Chevrolet Volt review
2014	4dr Hatch 149-horsepower Electric + Gas CVT FWD	Many of us Volt owners think Chevy is under-advertising the features of the car. Our usage in three months is 3100 miles. Our tabulated mileage for gasoline is 88 MPG, or somewhere around 7 gallons a month. The largest percentage use is on the home charged 220 volt system which loads 11 kWh into the battery. Depending on outside temperature, this gives between 34 to 38 miles of electric driving, and as spring comes, it will be into the low 40's. An electric charge at the8c rate costs about a dollar. We bought a Clipper Creek 220 Volt charger... it does the task in 4 hours, and it is portable. You can charge on 110volts too, andthat takes 10 hours. You have the choice of how to use the drive system: All electric first, then gas. Or gas first, then electric. And two combined modes. In cold weather we start out with a plugged-in preheat, then go Gas Only to warm it fully, especially if the planned trip will be requiring some gas use because of the distance. For short trips, we use battery power to warm the cabin and seats. Our shopping is a 38 mile trip with a 500 foot elevation change. We do that trip so the total gas usage is 2/10ths of a gallon, sometimes 3/10ths. Our Church trips make up a large portion of the driving miles, and they are always all electric for the 22 mile trip. One thing this does is give a "good feeling" about running an errand.... it is esentally costless. GM Onstar keeps track of all energy use. But I also keep a book log. Some folks don't realize that you coulddrive this car all across the country on gas, and get 37 MPG. see full Chevrolet Volt review
2014	4dr Hatch 149-horsepower Electric + Gas CVT FWD	So far have driven in the winter when you get the poorest mileage on the electric motor. I have 3100 km. on the car and lifetime gas consumption is 2.6 Liters per 100km. I dont think there is another car out there that can do this well and it will get even better in the Volt as the weather warms up from the minus 12 degree weather we have had all of Jan and Feb. I LOVE NOT HAVING TO FILL UP AT THE PUMPS AND STILL HAVE NO RANGE ANXIETY. I previously have owned two Prius and the Volt is way ahead in so many ways. see full Chevrolet Volt review
2013	4dr Hatch 149-horsepower Electric + Gas CVT FWD	The reason you should buy a Volt is all about the fuel cost. In my case I'm averaged close to ~100 mpg (It would have been higher but for a recent 200 mile round trip to Ikea). Granted that mpg is excluding the electricity costs which in my case this car is costing ~ +$30/month increase in my electric bill so after 3 months of ownership (leased October 2012) I've used ~30 gallons of fuel (average cost $3.40 /gal) and driven 3200 miles which is ~ 6.2 cents/mile. Comparing this it a compact (Ford Focus) averaging 30 mpg with regular gas ~ $3.1 would have averaged 10 cents/mile. see full Chevrolet Volt review
2012	4dr Hatch 149-horsepower Electric + Gas CVT FWD	Obvious. see full Chevrolet Volt review
2012	4dr Hatch 149-horsepower Electric + Gas CVT FWD	I've had the Volt for 9 months and 13,000 miles. I drive it exactly like I would any of my other cars. It putts around town on errands, it goes hundreds of miles for various trips and everything in-between. Life-to-date gas mileage is 75.3--higher than I expected. see full Chevrolet Volt review
2012	4dr Hatch 149-horsepower Electric + Gas CVT FWD	Our lifetime average is 167 mpg after 15,000 miles! see full Chevrolet Volt review

Chevrolet Volt Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2013	4dr Hatch 149-horsepower Electric + Gas CVT FWD	Although the electric range on this car fits most of my needs the fuel economy when the battery is empty is poor. Typically this car will get ~35 mpg (on highway) in premium gulping engine only mode - much lower than other hybrids and worse than many compact cars costing half as much. Therefore if you regularly traveling much beyond the battery only range (say >45 miles) you'd be better served with traditional hybrid. see full Chevrolet Volt review
2012	4dr Hatch 149-horsepower Electric + Gas CVT FWD	It's an electric car with a gas generator.. The electric range in the summer is amazing getting close to 30mi on full quiet comfort electric.. The winter MPG is horrible.. The design required the gas engine in cold weather to run the heat, it also required it to keep the batteries warm.. as a result combining the cost of electric and gas made my average around 6.8mpg in the harsh snow belt winters. see full Chevrolet Volt 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