2025 Audi RS 3 Gas Tank Size & Fuel Capacity
Fuel tank capacity
14.5gal · 55 L
The 2025 Audi RS 3 has a fuel tank capacity of 14.5 gallons (55 liters).
A full tank is good for roughly 421 highway miles or 290 miles around town, going by the EPA ratings.
14.5 gal · Smaller than 80% of 2025 models we list.
2025 Audi RS 3 fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr Sedan AWD 2.5L 5cyl Turbo 7AM · AWD MPG 20 / 29Range 290 / 421 mi | 2.5L 5cyl Turbo 7AM | AWD | 14.5 gal55 L | 20 / 29 | 290 / 421 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 2025 Audi RS 3 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 23 MPG, a full 14.5-gallon tank covers about 334 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 14.5 | 421 | 290 |
| 3/4 | 10.9 | 315 | 218 |
| 1/2 | 7.3 | 210 | 145 |
| 1/4 | 3.6 | 105 | 73 |
| 1/8 | 1.8 | 53 | 36 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 652 gallons, roughly 45 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.
- EPA combined
- 23 MPG
- Tailpipe CO2
- 385 g/mi
- EPA greenhouse score
- 5 of 10
- Source
- EPA ratings
What it costs to fill up a 2025 Audi RS 3
$76.56 to fill the 14.5-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 14.5 gal | Premium | $5.28 | $76.56 | $57.42 |
By region, 14.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $71.48 |
| Midwest | $5.37 | $77.86 |
| Gulf CoastLowest | $4.57 | $66.27 |
| Rocky Mountain | $5.12 | $74.24 |
| West Coast | $6.08 | $88.16 |
| CaliforniaHighest | $6.36 | $92.22 |
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
- 14.5-gallon tank$76.56
- A year of driving (15,000 mi)$3,443
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
RS 3 tank size in other years
The 2025 RS 3 uses the same 14.5 gal tank as every RS 3 since 2022.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 RS 3 | 14.5 gal | 421 mi |
| 2025 RS 3 | 14.5 gal | 421 mi |
| 2024 RS 3 | 14.5 gal | 421 mi |
| 2023 RS 3 | 14.5 gal | 421 mi |
| 2022 RS 3 | 14.5 gal | 421 mi |
| 2020 RS 3 | 14.5 gal | 406 mi |
| 2019 RS 3 | 14.5 gal | 406 mi |
2025 Audi RS 3 vs similar 2025 sedans
At 14.5 gallons, the RS 3's largest tank ranks sixth of the seven 2025 sedans compared here. The Lexus IS carries the most (17.4 gal) and the Mercedes-Benz CLA-Class the least (13.5 gal).
| 2025 model | Tank | Longest highway range |
|---|---|---|
| Lexus IS | 17.4 gal | 539 mi |
| Cadillac CT4 | 17.0 gal | 544 mi |
| Genesis G70 | 15.8 gal | 458 mi |
| BMW 3 Series | 15.6 gal | 546 mi |
| Alfa Romeo Giulia | 15.3 gal | 505 mi |
| Audi RS 3 | 14.5 gal | 421 mi |
| Mercedes-Benz CLA-Class | 13.5 gal | 486 mi |
Other 2025 sedans of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2025 Audi RS 3?
The 2025 Audi RS 3 holds 14.5 gallons (55 liters).
How many gallons and liters does the 2025 Audi RS 3 gas tank hold?
The 2025 Audi RS 3 tank holds 55 liters, or 14.5 gallons in US gallons.
How far can a 2025 Audi RS 3 go on a full tank?
About 421 miles on the highway and 290 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 2025 Audi RS 3 go on a quarter tank?
About 105 highway miles or 73 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 2025 Audi RS 3 take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2025 Audi RS 3?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 14.5-gallon tank from empty costs $76.56. It ranges from $66.27 in the Gulf Coast to $92.22 in California.
How much does a full tank of gas weigh in a 2025 Audi RS 3?
About 90 pounds for the 14.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2025 Audi RS 3 have a bigger gas tank than the Alfa Romeo Giulia?
No. The 2025 Alfa Romeo Giulia holds up to 15.3 gallons; the 2025 Audi RS 3 holds up to 14.5.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.