2015 Volvo S80 Gas Tank Size & Fuel Capacity
Fuel tank capacity
18.5gal · 70 L
The 2015 Volvo S80 has a fuel tank capacity of 18.5 gallons (70 liters) on every trim.
A full tank is good for roughly 518–703 highway miles or 352–481 miles around town, going by the EPA ratings.
18.5 gal · Smaller than 54% of 2015 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
2015 Volvo S80 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 4 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| T5 Drive-E 4dr Sedan 2.0L 4cyl Turbo 8A · FWD · Premium (recommended) MPG 26 / 38Range 481 / 703 mi | 2.0L 4cyl Turbo 8A | FWD | 18.5 gal70 L | Premiumrecommended | 26 / 38 | 481 / 703 mi |
| T5 Drive-E 4dr Sedan (built to 6/14) 2.0L 4cyl Turbo 8A · FWD · Premium (recommended) MPG 26 / 38Range 481 / 703 mi | 2.0L 4cyl Turbo 8A | FWD | 18.5 gal70 L | Premiumrecommended | 26 / 38 | 481 / 703 mi |
| T6 4dr Sedan AWD 3.0L 6cyl Turbo 6A · AWD · Premium (required) MPG 19 / 28Range 352 / 518 mi | 3.0L 6cyl Turbo 6A | AWD | 18.5 gal70 L | Premiumrequired | 19 / 28 | 352 / 518 mi |
| T6 4dr Sedan AWD (built to 6/14) 3.0L 6cyl Turbo 6A · AWD · Premium (required) MPG 19 / 28Range 352 / 518 mi | 3.0L 6cyl Turbo 6A | AWD | 18.5 gal70 L | Premiumrequired | 19 / 28 | 352 / 518 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 2015 Volvo S80 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 18.5-gallon tank covers about 555 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.5 | 703 | 481 |
| 3/4 | 13.9 | 527 | 361 |
| 1/2 | 9.3 | 352 | 241 |
| 1/4 | 4.6 | 176 | 120 |
| 1/8 | 2.3 | 88 | 60 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 500 gallons, roughly 27 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
- 22 MPG
- Tailpipe CO2
- 396 g/mi
- EPA greenhouse score
- 5 of 10
- Source
- EPA ratings
What it costs to fill up a 2015 Volvo S80
$97.68 to fill the 18.5-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 |
|---|---|---|---|---|
| 18.5 gal | Premium | $5.28 | $97.68 | $73.26 |
By region, 18.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $91.20 |
| Midwest | $5.37 | $99.34 |
| Gulf CoastLowest | $4.57 | $84.55 |
| Rocky Mountain | $5.12 | $94.72 |
| West Coast | $6.08 | $112.48 |
| CaliforniaHighest | $6.36 | $117.66 |
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
- 18.5-gallon tank$97.68
- A year of driving (15,000 mi)$2,640
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
S80 tank size in other years
The 2015 S80 uses the same 18.5 gal tank as every S80 since 2007.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2016 S80 | 18.5 gal | 685 mi |
| 2015 S80 | 18.5 gal | 703 mi |
| 2014 S80 | 18.5 gal | 537 mi |
| 2013 S80 | 18.5 gal | 518 mi |
| 2012 S80 | 18.5 gal | 537 mi |
| 2011 S80 | 18.5 gal | 500 mi |
| 2010 S80 | 18.5 gal | 500 mi |
2015 Volvo S80 vs similar 2015 sedans
At 18.5 gallons, the S80's largest tank ranks third of the seven 2015 sedans compared here. The INFINITI Q70 carries the most (20.0 gal) and the Lexus GS 450h the least (17.4 gal).
| 2015 model | Tank | Longest highway range |
|---|---|---|
| INFINITI Q70 | 17.8–20.0 gal | 605 mi |
| Audi A6 | 19.2–19.8 gal | 730 mi |
| Volvo S80 | 18.5 gal | 703 mi |
| Acura RLX | 18.5 gal | 574 mi |
| BMW 5 Series | 18.5 gal | 703 mi |
| Jaguar XF | 18.4 gal | 552 mi |
| Lexus GS 450h | 17.4 gal | 592 mi |
Other 2015 sedans of a similar size, one model per brand.
2015 Volvo S80 fuel system recalls
None of the 2 recalls NHTSA lists for the 2015 Volvo S80 involve the fuel system.
2015 Volvo S80 fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2015 Volvo S80, 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 2015 Volvo S80?
The 2015 Volvo S80 holds 18.5 gallons (70 liters) on every trim we list.
How many gallons and liters does the 2015 Volvo S80 gas tank hold?
The 2015 Volvo S80 tank holds 70 liters, or 18.5 gallons in US gallons.
Does AWD change the 2015 Volvo S80 gas tank?
No. FWD and AWD versions of the 2015 Volvo S80 use the same 18.5 gal tank.
How far can a 2015 Volvo S80 go on a full tank?
About 518–703 miles on the highway and 352–481 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 2015 Volvo S80 go on a quarter tank?
About 176 highway miles or 120 in town from the 18.5-gallon tank, which has roughly 4.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2015 Volvo S80 take?
Premium unleaded (recommended), or Premium unleaded (required), depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2015 Volvo S80?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 18.5-gallon tank from empty costs $97.68. It ranges from $84.55 in the Gulf Coast to $117.66 in California.
How much does a full tank of gas weigh in a 2015 Volvo S80?
About 115 pounds for the 18.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2015 Volvo S80 have a bigger gas tank than the Audi A6?
No. The 2015 Audi A6 holds up to 19.8 gallons; the 2015 Volvo S80 holds up to 18.5.
Has the 2015 Volvo S80 had a fuel pump or fuel system recall?
No. None of the 2 recalls NHTSA lists for the 2015 Volvo S80 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 (Volvo 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.