2015 BMW 5 Series Gran Turismo Gas Tank Size & Fuel Capacity
Fuel tank capacity
18.5gal · 70 L
The 2015 BMW 5 Series Gran Turismo has a fuel tank capacity of 18.5 gallons (70 liters) on every trim.
A full tank is good for roughly 444–518 highway miles or 296–352 miles around town, going by the EPA ratings.
18.5 gal · Smaller than 54% of 2015 models we list.
Listed separately: 2015 BMW 5 Series (18.5 gal).
2015 BMW 5 Series Gran Turismo 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 | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 535i 4dr Hatchback 3.0L 6cyl Turbo 8A · RWD MPG 19 / 28Range 352 / 518 mi | 3.0L 6cyl Turbo 8A | RWD | 18.5 gal70 L | 19 / 28 | 352 / 518 mi | |
| 535i xDrive 4dr Hatchback AWD 3.0L 6cyl Turbo 8A · AWD MPG 18 / 26Range 333 / 481 mi | 3.0L 6cyl Turbo 8A | AWD | 18.5 gal70 L | 18 / 26 | 333 / 481 mi | |
| 550i 4dr Hatchback 4.4L 8cyl Turbo 8A · RWD MPG 16 / 25Range 296 / 463 mi | 4.4L 8cyl Turbo 8A | RWD | 18.5 gal70 L | 16 / 25 | 296 / 463 mi | |
| 550i xDrive 4dr Hatchback AWD 4.4L 8cyl Turbo 8A · AWD MPG 16 / 24Range 296 / 444 mi | 4.4L 8cyl Turbo 8A | AWD | 18.5 gal70 L | 16 / 24 | 296 / 444 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 BMW 5 Series Gran Turismo 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 22 MPG, a full 18.5-gallon tank covers about 407 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.5 | 518 | 352 |
| 3/4 | 13.9 | 389 | 264 |
| 1/2 | 9.3 | 259 | 176 |
| 1/4 | 4.6 | 130 | 88 |
| 1/8 | 2.3 | 65 | 44 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 682 gallons, roughly 37 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 2015 BMW 5 Series Gran Turismo
$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)$3,600
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
5 Series Gran Turismo tank size in other years
The 2015 5 Series Gran Turismo uses the same 18.5 gal tank as every 5 Series Gran Turismo since 2010.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2017 5 Series Gran Turismo | 18.5 gal | 500 mi |
| 2016 5 Series Gran Turismo | 18.5 gal | 518 mi |
| 2015 5 Series Gran Turismo | 18.5 gal | 518 mi |
| 2014 5 Series Gran Turismo | 18.5 gal | 518 mi |
| 2013 5 Series Gran Turismo | 18.5 gal | 555 mi |
| 2012 5 Series Gran Turismo | 18.5 gal | 518 mi |
| 2011 5 Series Gran Turismo | 18.5 gal | 555 mi |
| 2010 5 Series Gran Turismo | 18.5 gal | 518 mi |
Frequently asked questions
What is the fuel tank capacity of the 2015 BMW 5 Series Gran Turismo?
The 2015 BMW 5 Series Gran Turismo holds 18.5 gallons (70 liters) on every trim we list.
How many gallons and liters does the 2015 BMW 5 Series Gran Turismo gas tank hold?
The 2015 BMW 5 Series Gran Turismo tank holds 70 liters, or 18.5 gallons in US gallons.
Does AWD change the 2015 BMW 5 Series Gran Turismo gas tank?
No. RWD and AWD versions of the 2015 BMW 5 Series Gran Turismo use the same 18.5 gal tank.
How far can a 2015 BMW 5 Series Gran Turismo go on a full tank?
About 444–518 miles on the highway and 296–352 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 2015 BMW 5 Series Gran Turismo go on a quarter tank?
About 130 highway miles or 88 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 BMW 5 Series Gran Turismo take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2015 BMW 5 Series Gran Turismo?
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 BMW 5 Series Gran Turismo?
About 115 pounds for the 18.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.