Tesla Model S vs. Audi A8 / S8 MPG

Chart is based on 3 fuel economy reports for the Tesla Model S and 28 fuel economy reports for the Audi A8 / S8.

Tesla Model S 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
2012	4dr Hatch 416-horsepower Electric 1-speed automatic RWD	flat	lead	none	0	90	0	10	65	86.7

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Tesla Model S Electric Fuel Economy

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
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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Audi A8 / S8 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
2014	4dr Sedan, ext. turbocharged 420hp 4.0L V8 8-speed shiftable automatic AWD	flat	med	light	17	0	61	22	75	17.5
2012	4dr Sedan, ext. 372-horsepower 4.2L V8 8-speed shiftable automatic AWD	flat	med	hvy	0	50	0	50	65	17.9
2011	4dr Sedan 372-horsepower 4.2L V8 8-speed shiftable automatic AWD	flat	med	hvy	12	14	39	36	68	20.4
2009	4dr Sedan 350-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	light	none	0	0	0	100	75	20.0
2008	4dr Sedan, ext. 350-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	med	none	5	30	30	35	70	19.1
2008	4dr Sedan 350-horsepower 4.2L V8 6-speed shiftable automatic AWD	hills	lead	hvy	5	40	10	45	70	15.0
2007	4dr Sedan, ext. 350-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	med	hvy	5	5	10	80	75	26.7
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2007	4dr Sedan 350-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	med	none	7	34	30	29	88	19.5
2005	4dr Sedan, ext. 330-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	lead	hvy	23	15	25	38	60	18.0
2005	4dr Sedan 330-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	med	light	8	31	10	52	68	18.4
2004	4dr Sedan, ext. 330-horsepower 4.2L V8 6-speed shiftable automatic AWD	flat	med	light	8	11	15	66	74	18.3
2001	4dr Sedan 360-horsepower 4.2L V8 5-speed shiftable automatic AWD	flat	med	light	38	38	13	13	60	16.5
2000	4dr Sedan 310-horsepower 4.2L V8 5-speed shiftable automatic AWD	flat	light	light	12	8	14	67	60	19.3

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TrueDelta Reviews the Real Gas Mileage of the Tesla Model S

Tesla Model S Real Gas Mileage: Pros
Year	Comment
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

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TrueDelta Reviews the Real Gas Mileage of the Audi A8 / S8

Audi A8 / S8 Real Gas Mileage: Pros
Year	Comment
2013	Fuel economy might seem an odd, "why to buy" for such a large, powerful car. But this large powerful car manages EPA ratings of 18 mpg city, 28 mpg highway, each one mpg better than the superceded V8. In suburban driving the trip computer typically reported averages in the low 20s, but as high as 25.5. We're a long way from large luxury sedans that had trouble cracking 18. The BMW is rated a bit higher, 19/28, but this is close enough to call it a draw. If you want even better fuel economy, Audi how also offers a 240-horsepower diesel with EPA ratings of 24/36. But the TDI is only available with the long wheelbase and will also cost you another $3,700. BMW offers no comparable car on this side of the Atlantic. see full Audi A8 / S8 review

What Our Members Are Saying about the Real Gas Mileage of the Audi A8 / S8

Audi A8 / S8 Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2004	4dr Sedan, ext. 330-horsepower 4.2L V8 6-speed shiftable automatic AWD	The Audi A8L is an interesting car if bought used. As it is a premium model, it is often bought on lease or by rich people. It is also all aluminium - when sold they are usually in great condition. The fuel economy is good for its size - about 12 miles a gallon city and 22 highway. For an 8 cylinder, all wheel drive performance car this is not bad. However high gas prices make it nota very economic choice for the gas version. With the introduction of the diesel version means used vehicles will come onto th eused market in about three years (2106). Fuel consumption will be better. see full Audi A8 / S8 review