Premium 4dr SUV AWD w/40 TFSI2.0L 4cyl Turbo 8A · AWDMPG 22 / 30Range 350 / 477 mi
2.0L 4cyl Turbo 8A
AWD
15.9 gal60 L
22 / 30
350 / 477 mi
Premium Plus 4dr SUV AWD w/40 TFSI2.0L 4cyl Turbo 8A · AWDMPG 22 / 30Range 350 / 477 mi
2.0L 4cyl Turbo 8A
AWD
15.9 gal60 L
22 / 30
350 / 477 mi
Premium Plus S line 4dr SUV AWD w/45 TFSI2.0L 4cyl Turbo 8A · AWDMPG 20 / 28Range 318 / 445 mi
2.0L 4cyl Turbo 8A
AWD
15.9 gal60 L
20 / 28
318 / 445 mi
Premium S line 4dr SUV AWD w/45 TFSI2.0L 4cyl Turbo 8A · AWDMPG 20 / 28Range 318 / 445 mi
2.0L 4cyl Turbo 8A
AWD
15.9 gal60 L
20 / 28
318 / 445 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 2021 Audi Q3 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 25 MPG, a full 15.9-gallon tank covers about 398 miles.
Gauge
Gallons
Highway miles
City miles
Full
15.9
477
350
3/4
11.9
358
262
1/2
8.0
239
175
1/4
4.0
119
87
1/8
2.0
60
44
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 600 gallons, roughly 38 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 15.9 gallons, the Q3's largest tank ranks sixth of the seven 2021 SUVs compared here. The Jaguar E-PACE carries the most (17.7 gal) and the Volvo XC40 the least (14.2 gal).
Other 2021 SUVs of a similar size, one model per brand.
2021 Audi Q3 fuel system recalls
NHTSA lists 1 fuel-system recall for the 2021 Audi Q3, out of 3 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
StorageSep 8, 2022 · NHTSA 22V673000 · Volkswagen Group Of America, Inc. · 13,004 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021-2022 Audi Q3 vehicles. The vent pipe within the fuel tank may have been damaged during fuel tank assembly.
Risk and remedy
Risk: A damaged vent pipe may allow fuel to spill out of the filler neck when the fuel cap is opened, increasing the risk of an injury.
Remedy: Dealers will inspect the internal vent pipe for damage and replace the charcoal canister and the fuel tank, if necessary, free of charge. Owner notification letters were mailed November 1, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 20DS.
What is the fuel tank capacity of the 2021 Audi Q3?
The 2021 Audi Q3 holds 15.9 gallons (60 liters) on every trim we list.
How many gallons and liters does the 2021 Audi Q3 gas tank hold?
The 2021 Audi Q3 tank holds 60 liters, or 15.9 gallons in US gallons.
How far can a 2021 Audi Q3 go on a full tank?
About 445–477 miles on the highway and 318–350 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 2021 Audi Q3 go on a quarter tank?
About 119 highway miles or 87 in town from the 15.9-gallon tank, which has roughly 4.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2021 Audi Q3 take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2021 Audi Q3?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 15.9-gallon tank from empty costs $67.89. It ranges from $58.83 in the Gulf Coast to $93.65 in California.
How much does a full tank of gas weigh in a 2021 Audi Q3?
About 99 pounds for the 15.9-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2021 Audi Q3 have a bigger gas tank than the Jaguar E-PACE?
No. The 2021 Jaguar E-PACE holds up to 17.7 gallons; the 2021 Audi Q3 holds up to 15.9.
Has the 2021 Audi Q3 had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2021 Audi Q3: 22V673000 (storage). 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).