2025 Bentley Bentayga EWB Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.5gal · 85 L
The 2025 Bentley Bentayga EWB has a fuel tank capacity of 22.5 gallons (85 liters) on every trim.
A full tank is good for roughly 473 highway miles or 315 miles around town, going by the EPA ratings.
22.5 gal · Bigger than 80% of 2025 models we list.
Listed separately: 2025 Bentley Bentayga (19.8–22.5 gal).
2025 Bentley Bentayga EWB fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Azure V8 4dr SUV AWD 4.0L 8cyl Turbo 8A · AWD MPG 14 / 21Range 315 / 473 mi | 4.0L 8cyl Turbo 8A | AWD | 22.5 gal85 L | 14 / 21 | 315 / 473 mi | |
| Mulliner V8 4dr SUV AWD 4.0L 8cyl Turbo 8A · AWD MPG 14 / 21Range 315 / 473 mi | 4.0L 8cyl Turbo 8A | AWD | 22.5 gal85 L | 14 / 21 | 315 / 473 mi | |
| V8 4dr SUV AWD 4.0L 8cyl Turbo 8A · AWD MPG 14 / 21Range 315 / 473 mi | 4.0L 8cyl Turbo 8A | AWD | 22.5 gal85 L | 14 / 21 | 315 / 473 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 2025 Bentley Bentayga EWB 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 22.5-gallon tank covers about 360 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 22.5 | 473 | 315 |
| 3/4 | 16.9 | 354 | 236 |
| 1/2 | 11.3 | 236 | 158 |
| 1/4 | 5.6 | 118 | 79 |
| 1/8 | 2.8 | 59 | 39 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 42 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
- 553 g/mi
- EPA greenhouse score
- 3 of 10
- Source
- EPA ratings
What it costs to fill up a 2025 Bentley Bentayga EWB
$118.80 to fill the 22.5-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 |
|---|---|---|---|---|
| 22.5 gal | Premium | $5.28 | $118.80 | $89.10 |
By region, 22.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $110.92 |
| Midwest | $5.37 | $120.83 |
| Gulf CoastLowest | $4.57 | $102.83 |
| Rocky Mountain | $5.12 | $115.20 |
| West Coast | $6.08 | $136.80 |
| CaliforniaHighest | $6.36 | $143.10 |
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
- 22.5-gallon tank$118.80
- 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.
Bentayga EWB tank size in other years
The 2025 Bentayga EWB uses the same 22.5 gal tank as every Bentayga EWB since 2023.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2025 Bentayga EWB | 22.5 gal | 473 mi |
| 2024 Bentayga EWB | 22.5 gal | 473 mi |
| 2023 Bentayga EWB | 22.5 gal | 473 mi |
Frequently asked questions
What is the fuel tank capacity of the 2025 Bentley Bentayga EWB?
The 2025 Bentley Bentayga EWB holds 22.5 gallons (85 liters) on every trim we list.
How many gallons and liters does the 2025 Bentley Bentayga EWB gas tank hold?
The 2025 Bentley Bentayga EWB tank holds 85 liters, or 22.5 gallons in US gallons.
How far can a 2025 Bentley Bentayga EWB go on a full tank?
About 473 miles on the highway and 315 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 2025 Bentley Bentayga EWB go on a quarter tank?
About 118 highway miles or 79 in town from the 22.5-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 2025 Bentley Bentayga EWB take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2025 Bentley Bentayga EWB?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 22.5-gallon tank from empty costs $118.80. It ranges from $102.83 in the Gulf Coast to $143.10 in California.
How much does a full tank of gas weigh in a 2025 Bentley Bentayga EWB?
About 140 pounds for the 22.5-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 (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.