2020 BMW X4 M Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.2gal · 65 L
The 2020 BMW X4 M has a fuel tank capacity of 17.2 gallons (65 liters) on every trim.
A full tank is good for roughly 327 highway miles or 241 miles around town, going by the EPA ratings.
17.2 gal · Smaller than 56% of 2020 models we list.
Listed separately: 2020 BMW X4 (17.2 gal).
2020 BMW X4 M fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr SUV AWD 3.0L 6cyl Turbo 8A · AWD MPG 14 / 19Range 241 / 327 mi | 3.0L 6cyl Turbo 8A | AWD | 17.2 gal65 L | 14 / 19 | 241 / 327 mi | |
| Competition 4dr SUV AWD 3.0L 6cyl Turbo 8A · AWD MPG 14 / 19Range 241 / 327 mi | 3.0L 6cyl Turbo 8A | AWD | 17.2 gal65 L | 14 / 19 | 241 / 327 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 2020 BMW X4 M 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 16 MPG, a full 17.2-gallon tank covers about 275 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.2 | 327 | 241 |
| 3/4 | 12.9 | 245 | 181 |
| 1/2 | 8.6 | 163 | 120 |
| 1/4 | 4.3 | 82 | 60 |
| 1/8 | 2.2 | 41 | 30 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 55 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
- 16 MPG
- Tailpipe CO2
- 546 g/mi
- EPA greenhouse score
- 2 of 10
- Source
- EPA ratings
What it costs to fill up a 2020 BMW X4 M
$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)$4,950
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
X4 M tank size in other years
2020 is the first X4 M model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2025 X4 M | 17.2 gal | 344 mi |
| 2024 X4 M | 17.2 gal | 344 mi |
| 2023 X4 M | 17.2 gal | 344 mi |
| 2022 X4 M | 17.2 gal | 344 mi |
| 2021 X4 M | 17.2 gal | 327 mi |
| 2020 X4 M | 17.2 gal | 327 mi |
2020 BMW X4 M vs similar 2020 SUVs
The X4 M has the smallest tank of the seven 2020 SUVs compared here: 17.2 gallons, against 22.5 for the Audi Q8.
| 2020 model | Tank | Longest highway range |
|---|---|---|
| Audi Q8 | 22.5 gal | 473 mi |
| Land Rover Range Rover Velar | 16.6–21.7 gal | 448 mi |
| Porsche Macan | 19.8 gal | 455 mi |
| Acura MDX | 19.4–19.5 gal | 527 mi |
| Lincoln Nautilus | 18.0 gal | 468 mi |
| Mercedes-Benz GLC-Class Coupe | 17.4 gal | 487 mi |
| BMW X4 M | 17.2 gal | 327 mi |
Other 2020 SUVs of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2020 BMW X4 M?
The 2020 BMW X4 M holds 17.2 gallons (65 liters) on every trim we list.
How many gallons and liters does the 2020 BMW X4 M gas tank hold?
The 2020 BMW X4 M tank holds 65 liters, or 17.2 gallons in US gallons.
How far can a 2020 BMW X4 M go on a full tank?
About 327 miles on the highway and 241 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 2020 BMW X4 M go on a quarter tank?
About 82 highway miles or 60 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 2020 BMW X4 M take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2020 BMW X4 M?
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 2020 BMW X4 M?
About 107 pounds for the 17.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2020 BMW X4 M have a bigger gas tank than the Mercedes-Benz GLC-Class Coupe?
No. The 2020 Mercedes-Benz GLC-Class Coupe holds up to 17.4 gallons; the 2020 BMW X4 M holds up to 17.2.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.