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Tesla Model S vs. Mazda RX-8 Fuel Economy (g/100m)

Chart is based on 3 fuel economy reports for the Tesla Model S and 202 fuel economy reports for the Mazda RX-8.

Tesla Model S g/100m

Tesla Model S Tesla Model S 2012 1.2 MPG Highway Percentage 10 percent
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
2012 4dr Hatch 416-horsepower Electric
1-speed automatic RWD		 flat lead none 0 90 0 10 65 1.2  

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This page shows only averages. See all the Tesla Model S fuel economy data.

Tesla Model S Electric Fuel Economy

Tesla Model S Tesla Model S 2016 10.0 MPG Highway Percentage 1 percent Tesla Model S Tesla Model S 2012 18.4 MPG Highway Percentage 70 percent
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
2016 4dr Hatch 373-horsepower Electric
1-speed automatic RWD		 flat lead none 0 33 66 1 60 10.0  
2012 4dr Hatch 416-horsepower Electric
1-speed automatic RWD		 flat light none 10 10 10 70 110 18.4  

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This page shows only averages. See all the Tesla Model S fuel economy data.

Mazda RX-8 g/100m

Mazda RX-8 Mazda RX-8 2010 5.9 MPG Highway Percentage 55 percent Mazda RX-8 Mazda RX-8 2009 5.7 MPG Highway Percentage 53 percent Mazda RX-8 Mazda RX-8 2008 4.8 MPG Highway Percentage 67 percent Mazda RX-8 Mazda RX-8 2007 6.7 MPG Highway Percentage 33 percent Mazda RX-8 Mazda RX-8 2007 4.6 MPG Highway Percentage 51 percent Mazda RX-8 Mazda RX-8 2006 7.6 MPG Highway Percentage 67 percent Mazda RX-8 Mazda RX-8 2006 5.8 MPG Highway Percentage 3 percent Mazda RX-8 Mazda RX-8 2005 7.6 MPG Highway Percentage 60 percent Mazda RX-8 Mazda RX-8 2004 13.3 MPG Highway Percentage 44 percent Mazda RX-8 Mazda RX-8 2004 5.8 MPG Highway Percentage 23 percent
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
2010 4dr Coupe 232-horsepower 1.3L R2
6-speed manual RWD		 flat med light 1 22 22 55 74 5.9  
2009 4dr Coupe 232-horsepower 1.3L R2
6-speed manual RWD		 flat med none 2 16 29 53 68 5.7  
2008 4dr Coupe 232-horsepower 1.3L R2
6-speed manual RWD		 flat med light 3 16 15 67 72 4.8  
2007 4dr Coupe 232-horsepower 1.3L R2
6-speed manual RWD		 flat med none 5 14 48 33 79 6.7  
2007 4dr Coupe 212-horsepower 1.3L R2
6-speed shiftable automatic RWD		 flat med light 15 24 10 51 78 4.6  
2006 4dr Coupe 238-horsepower 1.3L R2
6-speed manual RWD		 flat med none 9 10 13 67 66 7.6  
2006 4dr Coupe 212-horsepower 1.3L R2
6-speed shiftable automatic RWD		 flat med light 5 28 65 3 60 5.8  
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2005 4dr Coupe 238-horsepower 1.3L R2
6-speed manual RWD		 flat med light 6 16 18 60 77 7.6  
2004 4dr Coupe 238-horsepower 1.3L R2
6-speed manual RWD		 flat med light 7 25 24 44 77 13.3  
2004 4dr Coupe 197-horsepower 1.3L R2
4-speed shiftable automatic RWD		 flat lead light 42 12 23 23 70 5.8  

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

Tesla Model S vs. Mazda RX-8 Fuel Economy (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Tesla Model S and Mazda RX-8's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Hatchbacks
See TrueDelta's information for all Tesla models and Mazda models.

TrueDelta Reviews the Real Gas Mileage of the Tesla Model S

Tesla Model S Real Gas Mileage: Pros
YearComment
2013 If the Tesla Model had a conventional gas-powered engine, few people would care about it. Plenty of established companies offer stylish, powerful, and luxurious sedans. Why place a $70,000+ bet on a new car from a new company? The reason just about everyone (and their mom) has heard of this upstart car company and its first completely in-house product is that the Model S, with its battery-powered electric motor, was engineered to render conventional cars passe. For anyone who must have the latest tech, it is the car to get. Two battery sizes are offered, 60 kWh and 85 kWh, the latter an additional $10,000. (A 40-kWh battery--actually a 60-kWh pack electronically limited to two-thirds of its capacity--was initially offered, but few early adopters opted for it and it has been discontinued.) The EPA rates the former for the equivalent of 94 mpg city, 97 mpg highway, the latter for 88/90. For reference, the much smaller, far less powerful Nissan LEAF is rated 129/102, considerably better in city (actually suburban) driving but not much more efficient on the highway. Among gas-powered competitors, the Audi A7 is rated 18/28 and the more powerful S7 is rated 17/27. Tesla's big advantage over other electric cars involves their shared primary limitation, range. In EPA testing, the LEAF's range was 75 miles, and other electrics in its price and size range manage about the same. In the same test, the two Model S packs achieved 208 and 265 miles, respectively. (Note: Range is significantly shorter for all electric cars in cold weather or when running the A/C.) Consider cost per mile, and the Tesla's fuel economy seems even better. At the national daytime average of 12 cents per kWh, the cost per mile is about four cents. (Charge at night, when rates are often discounted, and it's even less.) In comparison, an Audi A7 or S7 has a fuel cost of nearly twenty cents per mile. The average driver can save over $2,000 a year by driving a Model S. The major downside of the Tesla's electric powertrain (beyond purchase price) is the time required to charge its battery pack. With twin onboard chargers ($1,500) and a high-powered wall chargers ($1,200 plus installation) each 62 miles of range requires an hour. Easily practical for typical daily driving, but not for long-distance travel. For long-distance travel, Tesla is building a network of "Superchargers" and battery swapping stations. The Superchargers can provide half a full charge in 20 minutes. Free use of these is a $2,000 option with the regular pack and included in the price of the larger one. You'll be able to have the battery swapped in as little as 90 seconds. But the swap will cost $60 to $80 and you'll have to stop on the return trip to have the original pack re-installed or pay an additional charge. These stations will make long-distance travel feasible, but it will still be less convenient and/or more expensive than in a gas-powered car. see full Tesla Model S review
 

What Our Members Are Saying about the Real Gas Mileage of the Tesla Model S

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

Mazda RX-8 Real Gas Mileage: Cons
YearBody/PowertrainComment
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