2023 BMW X3 Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.2gal · 65 L
The 2023 BMW X3 has a fuel tank capacity of 17.2 gallons (65 liters) on every trim.
A full tank is good for roughly 447–499 highway miles or 361–396 miles around town, going by the EPA ratings.
17.2 gal · Smaller than 58% of 2023 models we list.
Listed separately: 2023 BMW X3 M (17.2 gal).
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2023 BMW X3 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 3 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| M40i 4dr SUV AWD 3.0L 6cyl Turbo mild hybrid 8A · AWD MPG 21 / 26Range 361 / 447 mi | 3.0L 6cyl Turbo mild hybrid 8A | AWD | 17.2 gal65 L | 21 / 26 | 361 / 447 mi | |
| sDrive30i 4dr SUV 2.0L 4cyl Turbo 8A · RWD MPG 23 / 29Range 396 / 499 mi | 2.0L 4cyl Turbo 8A | RWD | 17.2 gal65 L | 23 / 29 | 396 / 499 mi | |
| xDrive30i 4dr SUV AWD 2.0L 4cyl Turbo 8A · AWD MPG 21 / 28Range 361 / 482 mi | 2.0L 4cyl Turbo 8A | AWD | 17.2 gal65 L | 21 / 28 | 361 / 482 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 2023 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 25 MPG, a full 17.2-gallon tank covers about 430 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.2 | 499 | 396 |
| 3/4 | 12.9 | 374 | 297 |
| 1/2 | 8.6 | 249 | 198 |
| 1/4 | 4.3 | 125 | 99 |
| 1/8 | 2.2 | 62 | 49 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 600 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
- 24–25 MPG
- Tailpipe CO2
- 352–369 g/mi
- EPA greenhouse score
- 5 of 10
- Source
- EPA ratings
What it costs to fill up a 2023 BMW X3
$90.82 to fill the 17.2-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 |
|---|---|---|---|---|
| 17.2 gal | Premium | $5.28 | $90.82 | $68.11 |
By region, 17.2-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $84.80 |
| Midwest | $5.37 | $92.36 |
| Gulf CoastLowest | $4.57 | $78.60 |
| Rocky Mountain | $5.12 | $88.06 |
| West Coast | $6.08 | $104.58 |
| CaliforniaHighest | $6.36 | $109.39 |
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
- 17.2-gallon tank$90.82
- A year of driving (15,000 mi)$3,168
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 2023 X3 uses the same 17.2 gal tank as the 2022 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 X3 | 17.2 gal | 568 mi |
| 2025 X3 | 17.2 gal | 568 mi |
| 2024 X3 | 17.2 gal | 499 mi |
| 2023 X3 | 17.2 gal | 499 mi |
| 2022 X3 | 17.2 gal | 499 mi |
| 2021 X3 | 13.2–17.2 gal | 499 mi |
| 2020 X3 | 13.2–17.7 gal | 499 mi |
| 2019 X3 | 17.2–17.7 gal | 516 mi |
| 2018 X3 | 17.2 gal | 499 mi |
2023 BMW X3 vs similar 2023 SUVs
At 17.2 gallons, the X3's largest tank ranks fifth of the seven 2023 SUVs compared here. The Cadillac XT5 carries the most (22.0 gal) and the Lexus NX 350h the least (14.5 gal).
| 2023 model | Tank | Longest highway range |
|---|---|---|
| Cadillac XT5 | 19.0–22.0 gal | 594 mi |
| Volvo XC60 | 18.8 gal | 564 mi |
| Audi Q5 Sportback | 18.5 gal | 537 mi |
| Mercedes-Benz GLC-Class Coupe | 17.4 gal | 452 mi |
| BMW X3 | 17.2 gal | 499 mi |
| INFINITI QX55 | 16.0 gal | 448 mi |
| Lexus NX 350h | 14.5 gal | 537 mi |
Other 2023 SUVs of a similar size, one model per brand.
2023 BMW X3 fuel system recalls
None of the 4 recalls NHTSA lists for the 2023 BMW X3 involve the fuel system.
2023 BMW X3 fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2023 BMW X3, 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 2023 BMW X3?
The 2023 BMW X3 holds 17.2 gallons (65 liters) on every trim we list.
How many gallons and liters does the 2023 BMW X3 gas tank hold?
The 2023 BMW X3 tank holds 65 liters, or 17.2 gallons in US gallons.
Does AWD change the 2023 BMW X3 gas tank?
No. AWD and RWD versions of the 2023 BMW X3 use the same 17.2 gal tank.
How far can a 2023 BMW X3 go on a full tank?
About 447–499 miles on the highway and 361–396 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 2023 BMW X3 go on a quarter tank?
About 125 highway miles or 99 in town from the 17.2-gallon tank, which has roughly 4.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2023 BMW X3 take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2023 BMW X3?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 17.2-gallon tank from empty costs $90.82. It ranges from $78.60 in the Gulf Coast to $109.39 in California.
How much does a full tank of gas weigh in a 2023 BMW X3?
About 107 pounds for the 17.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2023 BMW X3 have a bigger gas tank than the Volvo XC60?
No. The 2023 Volvo XC60 holds up to 18.8 gallons; the 2023 BMW X3 holds up to 17.2.
Has the 2023 BMW X3 had a fuel pump or fuel system recall?
No. None of the 4 recalls NHTSA lists for the 2023 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.