2014 BMW X6 Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.4gal · 85 L
The 2014 BMW X6 has a fuel tank capacity of 22.4 gallons (85 liters) on every trim.
A full tank is good for roughly 470–538 highway miles or 314–381 miles around town, going by the EPA ratings.
22.4 gal · Bigger than 78% of 2014 models we list.
Listed separately: 2014 BMW X6 M (22.4 gal).
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2014 BMW X6 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 2 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| xDrive35i 4dr SUV AWD 3.0L 6cyl Turbo 8A · AWD MPG 17 / 24Range 381 / 538 mi | 3.0L 6cyl Turbo 8A | AWD | 22.4 gal85 L | 17 / 24 | 381 / 538 mi | |
| xDrive50i 4dr SUV AWD 4.4L 8cyl Turbo 8A · AWD MPG 14 / 21Range 314 / 470 mi | 4.4L 8cyl Turbo 8A | AWD | 22.4 gal85 L | 14 / 21 | 314 / 470 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 2014 BMW X6 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 20 MPG, a full 22.4-gallon tank covers about 448 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 22.4 | 538 | 381 |
| 3/4 | 16.8 | 403 | 286 |
| 1/2 | 11.2 | 269 | 190 |
| 1/4 | 5.6 | 134 | 95 |
| 1/8 | 2.8 | 67 | 48 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 750 gallons, roughly 33 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
- 17–20 MPG
- Tailpipe CO2
- 448–530 g/mi
- EPA greenhouse score
- 3–5 of 10
- Source
- EPA ratings
What it costs to fill up a 2014 BMW X6
$118.27 to fill the 22.4-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 |
|---|---|---|---|---|
| 22.4 gal | Premium | $5.28 | $118.27 | $88.70 |
By region, 22.4-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $110.43 |
| Midwest | $5.37 | $120.29 |
| Gulf CoastLowest | $4.57 | $102.37 |
| Rocky Mountain | $5.12 | $114.69 |
| West Coast | $6.08 | $136.19 |
| CaliforniaHighest | $6.36 | $142.46 |
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
- 22.4-gallon tank$118.27
- A year of driving (15,000 mi)$3,960
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
X6 tank size in other years
The 2014 X6 uses the same 22.4 gal tank as the 2013 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2019 X6 | 22.4 gal | 538 mi |
| 2018 X6 | 22.4 gal | 560 mi |
| 2017 X6 | 22.4 gal | 560 mi |
| 2016 X6 | 22.4 gal | 560 mi |
| 2015 X6 | 22.4 gal | 605 mi |
| 2014 X6 | 22.4 gal | 538 mi |
| 2013 X6 | 22.4 gal | 515 mi |
| 2012 X6 | 22.5 gal | 518 mi |
| 2011 X6 | 22.5 gal | 518 mi |
| 2010 X6 | 22.5 gal | 473 mi |
| 2009 X6 | 22.5 gal | 450 mi |
2014 BMW X6 vs similar 2014 SUVs
At 22.4 gallons, the X6's largest tank ranks sixth of the seven 2014 SUVs compared here. The Land Rover Range Rover Sport carries the most (27.7 gal) and the Volvo XC90 the least (21.1 gal).
| 2014 model | Tank | Longest highway range |
|---|---|---|
| Land Rover Range Rover Sport | 27.7 gal | 637 mi |
| Audi Q7 | 26.4 gal | 739 mi |
| Porsche Cayenne | 26.4 gal | 766 mi |
| Mercedes-Benz M-Class | 24.6 gal | 689 mi |
| Lexus GX 460 | 23.0 gal | 460 mi |
| BMW X6 | 22.4 gal | 538 mi |
| Volvo XC90 | 21.1 gal | 528 mi |
Other 2014 SUVs of a similar size, one model per brand.
2014 BMW X6 fuel system recalls
None of the 4 recalls NHTSA lists for the 2014 BMW X6 involve the fuel system.
2014 BMW X6 fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2014 BMW X6, 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 2014 BMW X6?
The 2014 BMW X6 holds 22.4 gallons (85 liters) on every trim we list.
How many gallons and liters does the 2014 BMW X6 gas tank hold?
The 2014 BMW X6 tank holds 85 liters, or 22.4 gallons in US gallons.
How far can a 2014 BMW X6 go on a full tank?
About 470–538 miles on the highway and 314–381 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 2014 BMW X6 go on a quarter tank?
About 134 highway miles or 95 in town from the 22.4-gallon tank, which has roughly 5.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2014 BMW X6 take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2014 BMW X6?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 22.4-gallon tank from empty costs $118.27. It ranges from $102.37 in the Gulf Coast to $142.46 in California.
How much does a full tank of gas weigh in a 2014 BMW X6?
About 139 pounds for the 22.4-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2014 BMW X6 have a bigger gas tank than the Lexus GX 460?
No. The 2014 Lexus GX 460 holds up to 23.0 gallons; the 2014 BMW X6 holds up to 22.4.
Has the 2014 BMW X6 had a fuel pump or fuel system recall?
No. None of the 4 recalls NHTSA lists for the 2014 BMW X6 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 (BMW 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.