quattro 4dr Sedan AWD4.0L 8cyl Turbo 8A · AWDMPG 15 / 26Range 357 / 619 mi
4.0L 8cyl Turbo 8A
AWD
23.8 gal90 L
15 / 26
357 / 619 mi
No trim matches all of these filters.
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2013 Audi S8 goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 19 MPG, a full 23.8-gallon tank covers about 452 miles.
Gauge
Gallons
Highway miles
City miles
Full
23.8
619
357
3/4
17.9
464
268
1/2
11.9
309
179
1/4
6.0
155
89
1/8
3.0
77
45
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 789 gallons, roughly 33 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
Other 2013 sedans of a similar size, one model per brand.
2013 Audi S8 fuel system recalls
NHTSA lists 2 fuel-system recalls for the 2013 Audi S8, out of 5 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Delivery · Hoses, lines/piping, and fittingsJan 28, 2019 · NHTSA 19V057000 · Volkswagen Group Of America, Inc. · 8,985 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2016 Audi A8 and S8 vehicles. The fuel supply line for the high pressure fuel pump may become porous and leak fuel.
Risk and remedy
Risk: Leaking fuel, in the presence of an ignition source, increases the risk of fire.
Remedy: Audi has notified owners, and dealers will install a fuel pressure damper, free of charge. The recall began February 21, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20BM.
Delivery · Hoses, lines/piping, and fittingsJun 25, 2018 · NHTSA 18V430000 · Volkswagen Group Of America, Inc. · 6,633 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2015 Audi S8 and A8 vehicles. The fuel supply line for the high pressure fuel pump may become porous over time, resulting in a fuel leak.
Risk and remedy
Risk: A fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy: Audi will notify owners, and dealers will replace the fuel line, free of charge. The recall began July 20, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20AV.
What is the fuel tank capacity of the 2013 Audi S8?
The 2013 Audi S8 holds 23.8 gallons (90 liters).
How many gallons and liters does the 2013 Audi S8 gas tank hold?
The 2013 Audi S8 tank holds 90 liters, or 23.8 gallons in US gallons.
How far can a 2013 Audi S8 go on a full tank?
About 619 miles on the highway and 357 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2013 Audi S8 go on a quarter tank?
About 155 highway miles or 89 in town from the 23.8-gallon tank, which has roughly 6.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2013 Audi S8 take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2013 Audi S8?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 23.8-gallon tank from empty costs $125.66. It ranges from $108.77 in the Gulf Coast to $151.37 in California.
How much does a full tank of gas weigh in a 2013 Audi S8?
About 148 pounds for the 23.8-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2013 Audi S8 have a bigger gas tank than the Lexus LS 460?
Yes. The 2013 Audi S8 holds up to 23.8 gallons; the 2013 Lexus LS 460 holds up to 22.2.
Has the 2013 Audi S8 had a fuel pump or fuel system recall?
Yes. NHTSA lists 2 fuel-system recalls for the 2013 Audi S8: 19V057000 (delivery · hoses, lines/piping, and fittings); 18V430000 (delivery · hoses, lines/piping, and fittings). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Sources
Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).