What changes the tank sizeTap an option to filter the table
Powertrain
no difference
Engine
no difference
All 3 trims
MPG and range are city / highway.
Trim
Engine
Drive
Tank
Fuel
MPG city / hwy
Range city / hwy
3.0T Premium quattro 4dr SUV AWD3.0L 6cyl S/C 8A · AWD · Premium (required)MPG 16 / 22Range 422 / 581 mi
3.0L 6cyl S/C 8A
AWD
26.4 gal100 L
Premiumrequired
16 / 22
422 / 581 mi
3.0T S line Prestige quattro 4dr SUV AWD3.0L 6cyl S/C 8A · AWD · Premium (required)MPG 16 / 22Range 422 / 581 mi
3.0L 6cyl S/C 8A
AWD
26.4 gal100 L
Premiumrequired
16 / 22
422 / 581 mi
TDI Premium quattro 4dr SUV AWD3.0L 6cyl Turbodiesel 8A · AWD · Diesel DieselMPG 17 / 25Range 449 / 660 mi
3.0L 6cyl Turbodiesel 8A Diesel
AWD
26.4 gal100 L
Diesel
17 / 25
449 / 660 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 2012 Audi Q7 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 18 MPG, a full 26.4-gallon tank covers about 475 miles.
Gauge
Gallons
Highway miles
City miles
Full
26.4
581
422
3/4
19.8
436
317
1/2
13.2
290
211
1/4
6.6
145
106
1/8
3.3
73
53
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 32 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.
What it costs to fill up a 2012 Audi Q7
$139.39to fill the 26.4-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
At 26.4 gallons, the Q7's largest tank ranks second of the seven 2012 SUVs compared here. The Land Rover Range Rover carries the most (27.6 gal) and the Acura MDX the least (21.0 gal).
Other 2012 SUVs of a similar size, one model per brand.
2012 Audi Q7 fuel system recalls
NHTSA lists 3 fuel-system recalls for the 2012 Audi Q7, out of 4 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Delivery · Fuel pumpNov 19, 2018 · NHTSA 18V818000 · Volkswagen Group Of America, Inc. · 5,987 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2007-2012 Audi Q7 and 2009-2012 Audi Q5 vehicles, previously repaired under NHTSA recall 16V-660. These vehicles were previously repaired with an interim repair of installing butyl tape to the fuel pump flange, until replacement remedy parts became available.
Risk and remedy
Risk: The butyl tape may not prevent fuel from leaking. A fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy: Volkswagen will notify owners, and dealers will replace the fuel pump flange and install butyl tape, free of charge. The recall began December 28, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20BJ.
Delivery · Fuel pumpSep 13, 2016 · NHTSA 16V660000 · Volkswagen Group Of America, Inc. · 143,214 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2009-2012 Audi Q5, and 2007-2012 Audi Q7 vehicles equipped with gasoline engines. The fuel pump flange on the affected vehicles may crack, allowing fuel to 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 inspect the flange, replacing any flanges that are cracked. If the flange is not cracked, dealers will clean the pump flange and install a butyl rubber band to protect the pump. These repairs will be made free of charge. The recall began November 9, 2016. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20W9.
Fuel injection system · Fuel railJan 20, 2015 · NHTSA 15V019000 · Volkswagen Group Of America, Inc. · 26,008 vehicles
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2011-2012 Audi S4, S5, Q7, 2012 Audi A6, Volkswagen Touareg Hybrid, and 2012-2013 Audi A7 vehicles. In the affected vehicles the fuel injection system may experience a fuel leak.
Risk and remedy
Risk: A fuel leak in the injection system in the presence of an ignition source, increases the risk of a fire.
Remedy: Volkswagen will notify owners, and dealers will replace the fuel rails and corresponding seals, free of charge. The recall began on March 17, 2015. Owners may contact Audi customer service at 1-800-822-2834 or Volkswagen customer service at 1-800-893-5298. Volkswagen's numbers for this recall are 24AP for Audi customers and 24BK for Volkswagen customers.
What is the fuel tank capacity of the 2012 Audi Q7?
The 2012 Audi Q7 holds 26.4 gallons (100 liters) on every trim we list.
How many gallons and liters does the 2012 Audi Q7 gas tank hold?
The 2012 Audi Q7 tank holds 100 liters, or 26.4 gallons in US gallons.
Does the 2012 Audi Q7 tank change with the powertrain?
No. Gas and Diesel versions of the 2012 Audi Q7 use the same 26.4 gal tank.
How far can a 2012 Audi Q7 go on a full tank?
About 581–660 miles on the highway and 422–449 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 2012 Audi Q7 go on a quarter tank?
About 145 highway miles or 106 in town from the 26.4-gallon tank, which has roughly 6.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2012 Audi Q7 take?
Premium unleaded (required), or Diesel fuel, depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2012 Audi Q7?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 26.4-gallon tank from empty costs $139.39. It ranges from $120.65 in the Gulf Coast to $167.90 in California.
How much does a full tank of gas weigh in a 2012 Audi Q7?
About 185 pounds for the 26.4-gallon tank. Diesel weighs roughly 7 pounds a gallon.
Does the 2012 Audi Q7 have a bigger gas tank than the Mercedes-Benz GL-Class?
No, they match: both top out at 26.4 gallons in 2012.
Has the 2012 Audi Q7 had a fuel pump or fuel system recall?
Yes. NHTSA lists 3 fuel-system recalls for the 2012 Audi Q7: 18V818000 (delivery · fuel pump); 16V660000 (delivery · fuel pump); 15V019000 (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. Range is tank size times EPA MPG.
Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).