2014 BMW X3 Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.7gal · 67 L
The 2014 BMW X3 has a fuel tank capacity of 17.7 gallons (67 liters) on every trim.
A full tank is good for roughly 460–496 highway miles or 336–372 miles around town, going by the EPA ratings.
17.7 gal · Smaller than 58% of 2014 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- FAQ
2014 BMW X3 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 | |
|---|---|---|---|---|---|---|
| xDrive28i 4dr SUV AWD 2.0L 4cyl Turbo 8A · AWD MPG 21 / 28Range 372 / 496 mi | 2.0L 4cyl Turbo 8A | AWD | 17.7 gal67 L | 21 / 28 | 372 / 496 mi | |
| xDrive35i 4dr SUV AWD 3.0L 6cyl Turbo 8A · AWD MPG 19 / 26Range 336 / 460 mi | 3.0L 6cyl Turbo 8A | AWD | 17.7 gal67 L | 19 / 26 | 336 / 460 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 X3 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 24 MPG, a full 17.7-gallon tank covers about 425 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.7 | 496 | 372 |
| 3/4 | 13.3 | 372 | 279 |
| 1/2 | 8.9 | 248 | 186 |
| 1/4 | 4.4 | 124 | 93 |
| 1/8 | 2.2 | 62 | 46 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 625 gallons, roughly 35 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
- 21–24 MPG
- Tailpipe CO2
- 372–416 g/mi
- EPA greenhouse score
- 5–6 of 10
- Source
- EPA ratings
What it costs to fill up a 2014 BMW X3
$93.46 to fill the 17.7-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 |
|---|---|---|---|---|
| 17.7 gal | Premium | $5.28 | $93.46 | $70.09 |
By region, 17.7-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $87.26 |
| Midwest | $5.37 | $95.05 |
| Gulf CoastLowest | $4.57 | $80.89 |
| Rocky Mountain | $5.12 | $90.62 |
| West Coast | $6.08 | $107.62 |
| CaliforniaHighest | $6.36 | $112.57 |
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
- 17.7-gallon tank$93.46
- A year of driving (15,000 mi)$3,300
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
X3 tank size in other years
The 2014 X3 uses the same 17.7 gal tank as every X3 since 2004.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2019 X3 | 17.2–17.7 gal | 516 mi |
| 2018 X3 | 17.2 gal | 499 mi |
| 2017 X3 | 17.7 gal | 602 mi |
| 2016 X3 | 17.7 gal | 602 mi |
| 2015 X3 | 17.7 gal | 602 mi |
| 2014 X3 | 17.7 gal | 496 mi |
| 2013 X3 | 17.7 gal | 496 mi |
| 2012 X3 | 17.7 gal | 460 mi |
| 2011 X3 | 17.7 gal | 460 mi |
| 2010 X3 | 17.7 gal | 425 mi |
| 2009 X3 | 17.7 gal | 407 mi |
2014 BMW X3 vs similar 2014 SUVs
At 17.7 gallons, the X3's largest tank ranks sixth of the seven 2014 SUVs compared here. The Audi SQ5 carries the most (19.8 gal) and the Mercedes-Benz GLK-Class the least (17.4 gal).
| 2014 model | Tank | Longest highway range |
|---|---|---|
| Audi SQ5 | 19.8 gal | 455 mi |
| Lexus RX 350 | 19.2 gal | 499 mi |
| Lincoln MKX | 18.3–19.2 gal | 476 mi |
| Volvo XC60 | 18.5 gal | 481 mi |
| Land Rover LR2 | 18.5 gal | 444 mi |
| BMW X3 | 17.7 gal | 496 mi |
| Mercedes-Benz GLK-Class | 15.6–17.4 gal | 515 mi |
Other 2014 SUVs of a similar size, one model per brand.
2014 BMW X3 fuel system recalls
None of the 6 recalls NHTSA lists for the 2014 BMW X3 involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2014 BMW X3?
The 2014 BMW X3 holds 17.7 gallons (67 liters) on every trim we list.
How many gallons and liters does the 2014 BMW X3 gas tank hold?
The 2014 BMW X3 tank holds 67 liters, or 17.7 gallons in US gallons.
How far can a 2014 BMW X3 go on a full tank?
About 460–496 miles on the highway and 336–372 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 X3 go on a quarter tank?
About 124 highway miles or 93 in town from the 17.7-gallon tank, which has roughly 4.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2014 BMW X3 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 X3?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 17.7-gallon tank from empty costs $93.46. It ranges from $80.89 in the Gulf Coast to $112.57 in California.
How much does a full tank of gas weigh in a 2014 BMW X3?
About 110 pounds for the 17.7-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2014 BMW X3 have a bigger gas tank than the Volvo XC60?
No. The 2014 Volvo XC60 holds up to 18.5 gallons; the 2014 BMW X3 holds up to 17.7.
Has the 2014 BMW X3 had a fuel pump or fuel system recall?
No. None of the 6 recalls NHTSA lists for the 2014 BMW X3 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.