2025 Subaru Ascent — Full Specifications
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The 2025 Subaru Ascent is an SUV powered by a 2.4L 4-cyl turbo regular gasoline engine. It returns around 26 mpg (UK) / 22 mpg (US EPA) combined. Owners often keep a Subaru Ascent workshop manual to hand for servicing and repairs.
Compared with the 2024 Subaru Ascent: Fuel economy is essentially unchanged at around 26 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine | 2.4L 4-cyl turbo |
|---|---|
| Transmission | Automatic (AV-S8) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 26 combined / 24 urban / 31 extra-urban mpg |
| Fuel Economy (US EPA) | 22 combined / 20 city / 26 highway mpg |
| CO₂ Emissions | 247 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,050 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2025 Subaru Ascent, all with the 2.4L 4-cyl turbo engine. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 2.4L 4-cyl turbo | Automatic (AV-S8) | All-Wheel Drive | 26 | 22 (20/26) | 247 | $3,050 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2025 Subaru Ascent
Running Costs: 2025 Subaru Ascent
Covering around 8,000 miles a year in a 2025 Subaru Ascent at 26 mpg combined, expect roughly 1,399 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,050 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2025 Subaru Ascent Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 1 safety recall campaign that include the 2025 Subaru Ascent (as of 6 October 2026). Most affected areas: Equipment (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Equipment — campaign 26V436000, reported 7 July 2026. Risk: An incorrect GAWR label may lead to an overloaded vehicle, increasing the risk of a crash.
Owners have filed 15 complaints with NHTSA about the 2025 Subaru Ascent. The most-reported areas are Steering (2), Electrical system (2), Engine (2). Complaints include 2 reported crashes, 1 reported fire, 1 reported injury. That is well below the median of 52 complaints across the 8 Subaru Ascent model years in our data.
Used-buyer checklist for the 2025 Subaru Ascent
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Steering (2 owner complaints) — Check for play, noise or heavy steering, and ask whether any steering recall work was done.
- Electrical system (2 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (2 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Body structure (2 owner complaints) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Subaru Ascent compare to similar SUVs? SUVs in our database average around 27 mpg (UK) combined — this model sits close to that average, within 1 mpg. Its 247 g/km CO₂ figure is 6 g/km lower than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Subaru models in our database average about 33 mpg (UK) combined on their most efficient configuration; the 2025 Subaru Ascent's 26 mpg is 7 mpg below that make average. Its 247 g/km CO₂ figure is 41 g/km higher than the 206 g/km Subaru average.
Of the 8 Subaru Ascent model years we cover, the 2025 ranks 5th for combined fuel economy on its best configuration (26 mpg UK combined, against a high of 28 mpg). See every Subaru Ascent year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2025 Subaru Ascent
Frequently Asked Questions
What engine does the 2025 Subaru Ascent have?
It's fitted with a 2.4L 4-cyl turbo regular gasoline engine, paired with a automatic (av-s8) transmission.
What is the fuel economy of the 2025 Subaru Ascent?
The most efficient configuration returns around 26 mpg (UK) combined, or 22 mpg on the US EPA cycle.
How much does the 2025 Subaru Ascent cost to fuel per year?
The US EPA estimates about $3,050 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2025 Subaru Ascent have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2025 Subaru Ascent have any recalls?
NHTSA lists 1 safety recall campaign that include the 2025 Subaru Ascent (as of 6 October 2026). Most affected areas: Equipment (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2025 Subaru Ascent?
Among the 15 owner complaints filed with NHTSA, the most-reported areas are Steering (2 complaints), Electrical system (2 complaints), Engine (2 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Subaru Ascent's fuel economy good for an SUV?
It returns around 26 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.