2.0T Premium Plus 4dr Sedan2.0L 4cyl Turbo CVT · FWD · Premium (recommended)MPG 25 / 33Range 495 / 653 mi
2.0L 4cyl Turbo CVT
FWD
19.8 gal75 L
Premiumrecommended
25 / 33
495 / 653 mi
2.0T Premium Plus quattro 4dr Sedan AWD2.0L 4cyl Turbo 8A · AWD · Premium (recommended)MPG 20 / 29Range 396 / 574 mi
2.0L 4cyl Turbo 8A
AWD
19.8 gal75 L
Premiumrecommended
20 / 29
396 / 574 mi
2.0T Premium quattro 4dr Sedan AWD2.0L 4cyl Turbo 8A · AWD · Premium (recommended)MPG 20 / 29Range 396 / 574 mi
2.0L 4cyl Turbo 8A
AWD
19.8 gal75 L
Premiumrecommended
20 / 29
396 / 574 mi
3.0T Premium Plus quattro 4dr Sedan AWD3.0L 6cyl S/C 8A · AWD · Premium (required)MPG 18 / 27Range 356 / 535 mi
3.0L 6cyl S/C 8A
AWD
19.8 gal75 L
Premiumrequired
18 / 27
356 / 535 mi
3.0T Prestige quattro 4dr Sedan AWD3.0L 6cyl S/C 8A · AWD · Premium (required)MPG 18 / 27Range 356 / 535 mi
3.0L 6cyl S/C 8A
AWD
19.8 gal75 L
Premiumrequired
18 / 27
356 / 535 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. "Not published" means no source we trust gives that trim's tank size.
How far a 2014 Audi A6 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 23 MPG, a full 19.8-gallon tank covers about 455 miles.
Gauge
Gallons
Highway miles
City miles
Full
19.8
574
396
3/4
14.9
431
297
1/2
9.9
287
198
1/4
5.0
144
99
1/8
2.5
72
50
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 652 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.
At 19.8 gallons, the A6's largest tank ranks second of the seven 2014 sedans compared here. The INFINITI Q70 carries the most (20.0 gal) and the Lexus GS 450h the least (17.4 gal).
Other 2014 sedans of a similar size, one model per brand.
2014 Audi A6 fuel system recalls
NHTSA lists 1 fuel-system recall for the 2014 Audi A6, out of 4 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Delivery · Hoses, lines/piping, and fittingsDec 6, 2017 · NHTSA 17V781000 · Volkswagen Group Of America, Inc. · 48,693 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2014 Audi A6 and A7 vehicles. The fuel line has a compression point that can weaken, potentially resulting in a fuel leak.
Risk and remedy
Risk: A fuel leak in the presence of an ignition source, increases the risk of a fire.
Remedy: Audi will notify owners, and dealers will replace the fuel line, free of charge. The recall began February 5, 2018. Owners may contact Audi customer service at 1-888-237-2834. Volkswagen's number for this recall is 20AR.
What is the fuel tank capacity of the 2014 Audi A6?
The 2014 Audi A6 holds 19.8 gallons (75 liters) on every trim we list.
How many gallons and liters does the 2014 Audi A6 gas tank hold?
The 2014 Audi A6 tank holds 75 liters, or 19.8 gallons in US gallons.
Does AWD change the 2014 Audi A6 gas tank?
No. AWD and FWD versions of the 2014 Audi A6 use the same 19.8 gal tank.
How far can a 2014 Audi A6 go on a full tank?
About 535–653 miles on the highway and 356–495 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 2014 Audi A6 go on a quarter tank?
About 144 highway miles or 99 in town from the 19.8-gallon tank, which has roughly 5.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2014 Audi A6 take?
Premium unleaded (recommended), or Premium unleaded (required), depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2014 Audi A6?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 19.8-gallon tank from empty costs $104.54. It ranges from $90.49 in the Gulf Coast to $125.93 in California.
How much does a full tank of gas weigh in a 2014 Audi A6?
About 123 pounds for the 19.8-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2014 Audi A6 have a bigger gas tank than the Jaguar XF?
Yes. The 2014 Audi A6 holds up to 19.8 gallons; the 2014 Jaguar XF holds up to 18.4.
Has the 2014 Audi A6 had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2014 Audi A6: 17V781000 (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).