2023 Audi A3 Gas Tank Size & Fuel Capacity
Fuel tank capacity
13.2–14.5gal · 50–55 L
The 2023 Audi A3 has a fuel tank capacity of 13.2 to 14.5 gallons (50–55 liters), depending on the trim. The most common size is 14.5 gallons, used on 2 trims.
A full tank is good for roughly 502–508 highway miles or 370–392 miles around town, going by the EPA ratings.
14.5 gal · Smaller than 81% of 2023 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2023 Audi A3 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
All 4 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Premium 4dr Sedan w/40 TFSI 2.0L 4cyl Turbo mild hybrid 7AM · FWD MPG 28 / 38Range 370 / 502 mi | 2.0L 4cyl Turbo mild hybrid 7AM | FWD | 13.2 gal50 L | 28 / 38 | 370 / 502 mi | |
| Premium Plus 4dr Sedan w/40 TFSI 2.0L 4cyl Turbo mild hybrid 7AM · FWD MPG 28 / 38Range 370 / 502 mi | 2.0L 4cyl Turbo mild hybrid 7AM | FWD | 13.2 gal50 L | 28 / 38 | 370 / 502 mi | |
| Premium 4dr Sedan AWD w/40 TFSI 2.0L 4cyl Turbo mild hybrid 7AM · AWD MPG 27 / 35Range 392 / 508 mi | 2.0L 4cyl Turbo mild hybrid 7AM | AWD | 14.5 gal55 L | 27 / 35 | 392 / 508 mi | |
| Premium Plus 4dr Sedan AWD w/40 TFSI 2.0L 4cyl Turbo mild hybrid 7AM · AWD MPG 27 / 35Range 392 / 508 mi | 2.0L 4cyl Turbo mild hybrid 7AM | AWD | 14.5 gal55 L | 27 / 35 | 392 / 508 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 2023 Audi A3 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 30 MPG, a full 14.5-gallon tank covers about 435 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 14.5 | 508 | 392 |
| 3/4 | 10.9 | 381 | 294 |
| 1/2 | 7.3 | 254 | 196 |
| 1/4 | 3.6 | 127 | 98 |
| 1/8 | 1.8 | 63 | 49 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 500 gallons, roughly 34 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 2023 Audi A3
$61.91 to fill the 14.5-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 13.2 gal | Regular | $4.27 | $56.36 | $42.27 |
| 14.5 gal | Regular | $4.27 | $61.91 | $46.44 |
By region, 14.5-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $58.29 |
| Midwest | $4.27 | $61.91 |
| Gulf CoastLowest | $3.70 | $53.65 |
| Rocky Mountain | $4.46 | $64.67 |
| West Coast | $5.42 | $78.59 |
| CaliforniaHighest | $5.89 | $85.41 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 13.2-gallon tank$56.36
- 14.5-gallon tank$61.91
- A year of driving (15,000 mi)$2,135
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
A3 tank size in other years
The 2023 A3 uses the same 13.2–14.5 gal tank sizes as the 2022 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 A3 | 14.5 gal | 493 mi |
| 2025 A3 | 14.5 gal | 493 mi |
| 2024 A3 | 13.2–14.5 gal | 493 mi |
| 2023 A3 | 13.2–14.5 gal | 508 mi |
| 2022 A3 | 13.2–14.5 gal | 522 mi |
| 2020 A3 | 13.2–14.5 gal | 475 mi |
| 2019 A3 | 13.2–14.5 gal | 462 mi |
| 2018 A3 | 13.2–14.5 gal | 508 mi |
| 2016 A3 | 13.2–14.5 gal | 568 mi |
2023 Audi A3 vs similar 2023 sedans
At 14.5 gallons, the A3's largest tank ranks fourth of the six 2023 sedans compared here. The Lexus IS 300 carries the most (17.4 gal) and the BMW 2 Series Gran Coupe the least (13.2 gal).
| 2023 model | Tank | Longest highway range |
|---|---|---|
| Lexus IS 300 | 17.4 gal | 539 mi |
| Genesis G70 | 15.8 gal | 490 mi |
| Alfa Romeo Giulia | 15.3 gal | 505 mi |
| Audi A3 | 13.2–14.5 gal | 508 mi |
| Mercedes-Benz CLA-Class | 13.5 gal | 486 mi |
| BMW 2 Series Gran Coupe | 13.2 gal | 449 mi |
Other 2023 sedans of a similar size, one model per brand.
2023 Audi A3 fuel system recalls
None of the 2 recalls NHTSA lists for the 2023 Audi A3 involve the fuel system.
2023 Audi A3 fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2023 Audi A3, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2023 Audi A3?
The 2023 Audi A3 holds between 13.2 and 14.5 gallons, depending on the trim. 14.5 gallons is the usual size; the smaller 13.2-gallon tank is on the Premium 4dr Sedan w/40 TFSI.
How many gallons and liters does the 2023 Audi A3 gas tank hold?
The 2023 Audi A3 tank holds 50–55 liters, or 13.2–14.5 gallons in US gallons.
Which 2023 Audi A3 has the biggest gas tank?
The 14.5-gallon tank is on the Premium 4dr Sedan AWD w/40 TFSI, Premium Plus 4dr Sedan AWD w/40 TFSI. The smallest tank, 13.2 gallons, is on the Premium 4dr Sedan w/40 TFSI.
Does AWD change the 2023 Audi A3 gas tank?
Yes. FWD: 13.2 gal; AWD: 14.5 gal.
How far can a 2023 Audi A3 go on a full tank?
About 502–508 miles on the highway and 370–392 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 2023 Audi A3 go on a quarter tank?
About 127 highway miles or 98 in town from the 14.5-gallon tank, which has roughly 3.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2023 Audi A3 take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2023 Audi A3?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 14.5-gallon tank from empty costs $61.91. It ranges from $53.65 in the Gulf Coast to $85.41 in California.
How much does a full tank of gas weigh in a 2023 Audi A3?
About 90 pounds for the 14.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2023 Audi A3 have a bigger gas tank than the BMW 2 Series Gran Coupe?
Yes. The 2023 Audi A3 holds up to 14.5 gallons; the 2023 BMW 2 Series Gran Coupe holds up to 13.2.
Has the 2023 Audi A3 had a fuel pump or fuel system recall?
No. None of the 2 recalls NHTSA lists for the 2023 Audi A3 involve the fuel system.
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).
- Recalls: NHTSA recall database (Audi fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.