2025 · Midsize & Large SUV · Gas
2025 Subaru Ascent MPG & fuel economy
The 2025 Subaru Ascent is a midsize or large SUV offered in 2 EPA-rated configurations. The most efficient version returns 22 MPG combined (20 city / 26 highway) on regular gasoline. Across the lineup, combined ratings range from 21 to 22 MPG. Efficiency is unchanged from the 2024 model. Among 94 midsize & large SUVs rated for 2025, it ranks 43rd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,114 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2025 Subaru Ascent's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.5 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 20 | 8.5 | 11.8 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 22 | 9.4 | 10.7 |
How it ranks among 2025 Midsize & Large SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Ascent MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 2.4L 4-cyl turbo · CVT Ascent |
Gas | 20 MPG | 26 MPG | 22 MPG | — | $2,114 |
| AWD · 2.4L 4-cyl turbo · CVT Ascent Limited/Touring/Onyx AWD |
Gas | 19 MPG | 25 MPG | 21 MPG | — | $2,214 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.4L 4-cyl turbo
- Transmission
- CVT
- Drivetrain
- AWD
- Tailpipe CO₂
- 398 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2025 Subaru Ascent vs. rivals
Compare the 2025 Ascent
With any other car from any year, including other Ascent model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Subaru Ascent?
Up to 22 MPG combined (20 city / 26 highway); ratings range from 21 to 22 MPG depending on configuration.
What fuel does the 2025 Subaru Ascent use?
Regular gasoline.
What is the fuel average in km/L for the 2025 Subaru Ascent?
The 2025 Subaru Ascent's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.5 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 2025 Subaru Ascent per year?
About $2,114 at 15,000 miles a year with $3.10/gal regular gas, or $14.09 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.