The 2009 Audi TT has a fuel tank capacity of 14.5 to 15.9 gallons (55–60 liters), depending on the trim. The most common size is 15.9 gallons, used on 4 trims.
A full tank is good for roughly 382–450 highway miles or 270–334 miles around town, going by the EPA ratings.
020 gal40 gal
15.9 gal · Smaller than 85% of 2009 models we list.
2.0T quattro 2dr Convertible AWD2.0L 4cyl Turbo 6AM · AWDMPG 21 / 29Range 305 / 421 mi
2.0L 4cyl Turbo 6AM
AWD
14.5 gal55 L
21 / 29
305 / 421 mi
2.0T quattro 2dr Hatchback AWD2.0L 4cyl Turbo 6AM · AWDMPG 21 / 29Range 305 / 421 mi
2.0L 4cyl Turbo 6AM
AWD
14.5 gal55 L
21 / 29
305 / 421 mi
3.2 quattro 2dr Convertible AWD3.2L 6cyl 6AM · AWDMPG 18 / 24Range 286 / 382 mi
3.2L 6cyl 6AM
AWD
15.9 gal60 L
18 / 24
286 / 382 mi
3.2 quattro 2dr Convertible AWD3.2L 6cyl 6M · AWDMPG 17 / 25Range 270 / 398 mi
3.2L 6cyl 6M
AWD
15.9 gal60 L
17 / 25
270 / 398 mi
3.2 quattro 2dr Hatchback AWD3.2L 6cyl 6AM · AWDMPG 18 / 24Range 286 / 382 mi
3.2L 6cyl 6AM
AWD
15.9 gal60 L
18 / 24
286 / 382 mi
3.2 quattro 2dr Hatchback AWD3.2L 6cyl 6M · AWDMPG 17 / 25Range 270 / 398 mi
3.2L 6cyl 6M
AWD
15.9 gal60 L
17 / 25
270 / 398 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 2009 Audi TT 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 20 MPG, a full 15.9-gallon tank covers about 318 miles.
Gauge
Gallons
Highway miles
City miles
Full
15.9
382
286
3/4
11.9
286
215
1/2
8.0
191
143
1/4
4.0
95
72
1/8
2.0
48
36
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 750 gallons, roughly 47 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 TT's largest tank ranks third of the four 2009 convertibles compared here. The Mercedes-Benz SLK-Class carries the most (18.5 gal) and the BMW Z4 the least (14.5 gal).
Other 2009 convertibles of a similar size, one model per brand.
2009 Audi TT fuel system recalls
NHTSA lists 1 fuel-system recall for the 2009 Audi TT, out of 2 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Storage · Tank assemblySep 30, 2009 · NHTSA 09V377000 · Volkswagen Of America, Inc · 10,200 vehicles
Volkswagen is recalling certain model year 2006 through 2010 audi a3, tt, and tt roadster passenger vehicles manufactured between september 29, 2005 and august 26, 2009. The closing force of an internal spring of the fuel tank ventilation valve is not adequate enough to hold the valve closed under extreme driving conditions possibly allowing fuel to leak.
Risk and remedy
Risk: In the presence of an ignition source, a vehicle fire could occur.
Remedy: Volkswagen will notify owners and audi dealers will replace the fuel tank ventilation valve with an improved valve free of charge. The safety recall began on november 16, 2009. Owners may contact audi at 1-800-253-2834.
What is the fuel tank capacity of the 2009 Audi TT?
The 2009 Audi TT holds between 14.5 and 15.9 gallons, depending on the trim. 15.9 gallons is the usual size; the smaller 14.5-gallon tank is on the 2.0T 2dr Convertible.
How many gallons and liters does the 2009 Audi TT gas tank hold?
The 2009 Audi TT tank holds 55–60 liters, or 14.5–15.9 gallons in US gallons.
Which 2009 Audi TT has the biggest gas tank?
The 15.9-gallon tank is on the 3.2 quattro 2dr Convertible AWD, 3.2 quattro 2dr Convertible AWD, 3.2 quattro 2dr Hatchback AWD and 1 other trim. The smallest tank, 14.5 gallons, is on the 2.0T 2dr Convertible.
Does AWD change the 2009 Audi TT gas tank?
Yes. AWD: 14.5–15.9 gal; FWD: 14.5 gal.
How far can a 2009 Audi TT go on a full tank?
About 382–450 miles on the highway and 270–334 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 2009 Audi TT go on a quarter tank?
About 95 highway miles or 72 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 2009 Audi TT take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2009 Audi TT?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 15.9-gallon tank from empty costs $83.95. It ranges from $72.66 in the Gulf Coast to $101.12 in California.
How much does a full tank of gas weigh in a 2009 Audi TT?
About 99 pounds for the 15.9-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2009 Audi TT have a bigger gas tank than the Mercedes-Benz SLK-Class?
No. The 2009 Mercedes-Benz SLK-Class holds up to 18.5 gallons; the 2009 Audi TT holds up to 15.9.
Has the 2009 Audi TT had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2009 Audi TT: 09V377000 (storage · tank assembly). 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).