2020 Audi A4 allroad Gas Tank Size & Fuel Capacity
Fuel tank capacity
15.3gal · 58 L
The 2020 Audi A4 allroad has a fuel tank capacity of 15.3 gallons (58 liters) on every trim.
A full tank is good for roughly 474 highway miles or 352 miles around town, going by the EPA ratings.
15.3 gal · Smaller than 73% of 2020 models we list.
Listed separately: 2020 Audi A4 (15.3 gal).
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2020 Audi A4 allroad fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Premium 4dr Wagon AWD w/2.0 TFSI 2.0L 4cyl Turbo 7AM · AWD MPG 23 / 31Range 352 / 474 mi | 2.0L 4cyl Turbo 7AM | AWD | 15.3 gal58 L | 23 / 31 | 352 / 474 mi | |
| Premium Plus 4dr Wagon AWD w/2.0 TFSI 2.0L 4cyl Turbo 7AM · AWD MPG 23 / 31Range 352 / 474 mi | 2.0L 4cyl Turbo 7AM | AWD | 15.3 gal58 L | 23 / 31 | 352 / 474 mi | |
| Prestige 4dr Wagon AWD w/2.0 TFSI 2.0L 4cyl Turbo 7AM · AWD MPG 23 / 31Range 352 / 474 mi | 2.0L 4cyl Turbo 7AM | AWD | 15.3 gal58 L | 23 / 31 | 352 / 474 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 2020 Audi A4 allroad 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 26 MPG, a full 15.3-gallon tank covers about 398 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 15.3 | 474 | 352 |
| 3/4 | 11.5 | 356 | 264 |
| 1/2 | 7.7 | 237 | 176 |
| 1/4 | 3.8 | 119 | 88 |
| 1/8 | 1.9 | 59 | 44 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 577 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.
- EPA combined
- 26 MPG
- Tailpipe CO2
- 337 g/mi
- EPA greenhouse score
- 5 of 10
- Source
- EPA ratings
What it costs to fill up a 2020 Audi A4 allroad
$80.78 to fill the 15.3-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 |
|---|---|---|---|---|
| 15.3 gal | Premium | $5.28 | $80.78 | $60.59 |
By region, 15.3-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $75.43 |
| Midwest | $5.37 | $82.16 |
| Gulf CoastLowest | $4.57 | $69.92 |
| Rocky Mountain | $5.12 | $78.34 |
| West Coast | $6.08 | $93.02 |
| CaliforniaHighest | $6.36 | $97.31 |
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
- 15.3-gallon tank$80.78
- A year of driving (15,000 mi)$3,046
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
A4 allroad tank size in other years
The 2020 A4 allroad uses the same 15.3 gal tank as every A4 allroad since 2017.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2025 A4 allroad | 15.3 gal | 459 mi |
| 2024 A4 allroad | 15.3 gal | 459 mi |
| 2023 A4 allroad | 15.3 gal | 459 mi |
| 2022 A4 allroad | 15.3 gal | 459 mi |
| 2021 A4 allroad | 15.3 gal | 459 mi |
| 2020 A4 allroad | 15.3 gal | 474 mi |
| 2019 A4 allroad | 15.3 gal | 444 mi |
| 2018 A4 allroad | 15.3 gal | 459 mi |
| 2017 A4 allroad | 15.3 gal | 428 mi |
2020 Audi A4 allroad vs similar 2020 wagons
The A4 allroad has the largest tank of the two 2020 wagons compared here, 15.3 gallons against 14.5 for the Volvo V60.
| 2020 model | Tank | Longest highway range |
|---|---|---|
| Audi A4 allroad | 15.3 gal | 474 mi |
| Volvo V60 | 14.5 gal | 493 mi |
Other 2020 wagons of a similar size, one model per brand.
2020 Audi A4 allroad fuel system recalls
None of the 1 recall NHTSA lists for the 2020 Audi A4 allroad involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2020 Audi A4 allroad?
The 2020 Audi A4 allroad holds 15.3 gallons (58 liters) on every trim we list.
How many gallons and liters does the 2020 Audi A4 allroad gas tank hold?
The 2020 Audi A4 allroad tank holds 58 liters, or 15.3 gallons in US gallons.
How far can a 2020 Audi A4 allroad go on a full tank?
About 474 miles on the highway and 352 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 2020 Audi A4 allroad go on a quarter tank?
About 119 highway miles or 88 in town from the 15.3-gallon tank, which has roughly 3.8 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2020 Audi A4 allroad take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2020 Audi A4 allroad?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 15.3-gallon tank from empty costs $80.78. It ranges from $69.92 in the Gulf Coast to $97.31 in California.
How much does a full tank of gas weigh in a 2020 Audi A4 allroad?
About 95 pounds for the 15.3-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2020 Audi A4 allroad have a bigger gas tank than the Volvo V60?
Yes. The 2020 Audi A4 allroad holds up to 15.3 gallons; the 2020 Volvo V60 holds up to 14.5.
Has the 2020 Audi A4 allroad had a fuel pump or fuel system recall?
No. None of the 1 recall NHTSA lists for the 2020 Audi A4 allroad 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 (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).
- 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.