The 2016 Audi A6 has a fuel tank capacity of 19.2 to 19.8 gallons (73–75 liters), depending on the trim. The most common size is 19.8 gallons, used on 6 trims.
A full tank is good for roughly 594–730 highway miles or 396–480 miles around town, going by the EPA ratings.
020 gal40 gal
19.8 gal · Bigger than 64% of 2016 models we list.
2.0T Premium Plus 4dr Sedan2.0L 4cyl Turbo 7AM · FWD · Premium (recommended)MPG 24 / 35Range 475 / 693 mi
2.0L 4cyl Turbo 7AM
FWD
19.8 gal75 L
Premiumrecommended
24 / 35
475 / 693 mi
2.0T Premium Plus quattro 4dr Sedan AWD2.0L 4cyl Turbo 8A · AWD · Premium (recommended)MPG 22 / 32Range 436 / 634 mi
2.0L 4cyl Turbo 8A
AWD
19.8 gal75 L
Premiumrecommended
22 / 32
436 / 634 mi
2.0T Premium quattro 4dr Sedan AWD2.0L 4cyl Turbo 8A · AWD · Premium (recommended)MPG 22 / 32Range 436 / 634 mi
2.0L 4cyl Turbo 8A
AWD
19.8 gal75 L
Premiumrecommended
22 / 32
436 / 634 mi
3.0T Premium Plus quattro 4dr Sedan AWD3.0L 6cyl S/C 8A · AWD · Premium (required)MPG 20 / 30Range 396 / 594 mi
3.0L 6cyl S/C 8A
AWD
19.8 gal75 L
Premiumrequired
20 / 30
396 / 594 mi
3.0T Prestige quattro 4dr Sedan AWD3.0L 6cyl S/C 8A · AWD · Premium (required)MPG 20 / 30Range 396 / 594 mi
3.0L 6cyl S/C 8A
AWD
19.8 gal75 L
Premiumrequired
20 / 30
396 / 594 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 2016 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 28 MPG, a full 19.8-gallon tank covers about 554 miles.
Gauge
Gallons
Highway miles
City miles
Full
19.8
693
475
3/4
14.9
520
356
1/2
9.9
347
238
1/4
5.0
173
119
1/8
2.5
87
59
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 536 gallons, roughly 27 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 2016 sedans of a similar size, one model per brand.
2016 Audi A6 fuel system recalls
NHTSA lists 1 fuel-system recall for the 2016 Audi A6, out of 3 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Fuel injection system · Fuel railJan 16, 2019 · NHTSA 19V035000 · Volkswagen Group Of America, Inc. · 74,881 vehicles
Volkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails may leak fuel.
Risk and remedy
Risk: A fuel leak in the presence of an ignition source can increase risk of a fire.
Remedy: Audi has notified owners, and dealers will replace the left and right fuel rail, free of charge. The recall began February 28, 2019. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 24DP.
What is the fuel tank capacity of the 2016 Audi A6?
The 2016 Audi A6 holds between 19.2 and 19.8 gallons, depending on the trim. 19.8 gallons is the usual size; the smaller 19.2-gallon tank is on the TDI Premium Plus quattro 4dr Sedan AWD.
How many gallons and liters does the 2016 Audi A6 gas tank hold?
The 2016 Audi A6 tank holds 73–75 liters, or 19.2–19.8 gallons in US gallons.
Which 2016 Audi A6 has the biggest gas tank?
The 19.8-gallon tank is on the 2.0T Premium 4dr Sedan, 2.0T Premium Plus 4dr Sedan, 2.0T Premium Plus quattro 4dr Sedan AWD and 3 other trims. The smallest tank, 19.2 gallons, is on the TDI Premium Plus quattro 4dr Sedan AWD.
Does the 2016 Audi A6 tank change with the powertrain?
Yes. Diesel: 19.2 gal; Gas: 19.8 gal.
Does AWD change the 2016 Audi A6 gas tank?
Yes. AWD: 19.2–19.8 gal; FWD: 19.8 gal.
How far can a 2016 Audi A6 go on a full tank?
About 594–730 miles on the highway and 396–480 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 2016 Audi A6 go on a quarter tank?
About 173 highway miles or 119 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 2016 Audi A6 take?
Premium unleaded (recommended), or Diesel fuel, 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 2016 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 2016 Audi A6?
About 123 pounds for the 19.8-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2016 Audi A6 have a bigger gas tank than the BMW 5 Series?
Yes. The 2016 Audi A6 holds up to 19.8 gallons; the 2016 BMW 5 Series holds up to 18.5.
Has the 2016 Audi A6 had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2016 Audi A6: 19V035000 (fuel injection system · fuel rail). 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).