Model Years

2023 Subaru Ascent MPG and Fuel Cost

The 2023 Subaru Ascent is rated 21 to 22 mpg combined across 2 EPA-tested gas versions; the best is the 2.4L turbo 4-cyl · AWD · CVT.

EPA fuel economy

2023 Subaru Ascent · 2 EPA-tested versions

Best EPA rating

22MPG combined

20 city 26 highway

$2,950 a year to fuel

Fuel economy score5/10

2.4L turbo 4-cyl · AWD · CVT

Best version costs $3,250 more in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.32 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated Sep 27, 2026

At EPA's price assumptions, fuel costs $2,950 to $3,100 a year. Compared with 2022, the best gas version is down 1 mpg.

Every 2023 Ascent version

EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.

VersionCombinedCity / HwyFuel / year
2.4L turbo 4-cyl · AWD · CVT Best
EPA listing: Ascent
22 mpg 20 / 26 $2,950
2.4L turbo 4-cyl · AWD · CVT · Limited Touring Onyx
EPA listing: Ascent Limited/Touring/Onyx AWD
21 mpg 19 / 25 $3,100

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.32 a gallon for regular gas. Change the numbers to match your driving.

VersionPer yearPer month5 years
2.4L turbo 4-cyl · AWD · CVT
$2,945$245$14,727
2.4L turbo 4-cyl · AWD · CVT · Limited Touring Onyx
$3,086$257$15,429

At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.

Subaru Ascent MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 22 to 23 mpg (every year from 2019 to 2026); highest in 2019.

2023: gas 22 mpg

Show as a table
Subaru Ascent best combined mpg by model year
Model yearBest gas version
201923
202023
202123
202223
202322
202422
202522
202622

How the 2023 Ascent compares

2023 midsize SUVs covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.

2023 modelBest combinedBest gasFuel / year
Best: hybrid
37 mpg26 mpg$1,750
Best: hybrid
36 mpg25 mpg$1,800
Best: hybrid
36 mpg25 mpg$2,200
Best: hybrid
34 mpg26 mpg$1,900
Best: hybrid
27 mpg24 mpg$2,400
Best: gas
25 mpg25 mpg$2,600
Best: gas
23 mpg23 mpg$2,800
Best: gas
23 mpg23 mpg$2,800
Best: gas
23 mpg23 mpg$2,800
Best: gas
22 mpg22 mpg$2,950
Best: gas
22 mpg22 mpg$2,950
Best: gas
22 mpg22 mpg$2,950
Subaru Ascent This page
Best: gas
22 mpg22 mpg$2,950
Best: gas
21 mpg21 mpg$3,100
Best: gas
21 mpg21 mpg$3,100

2023 Ascent recalls and complaints

NHTSA lists 4 safety recalls and 45 owner complaints for the 2023 Ascent.What they cover, and crash test ratings

Questions

Does the 2023 Subaru Ascent need premium gas?

No. EPA lists every 2023 Subaru Ascent version on regular gasoline.

How does the 2023 Ascent's MPG compare with the 2022?

For 2023, the best gas version is rated 22 mpg, down 1 from 23.

Sources and method

  • US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 18, 2026.
  • EPA fuel price assumptions: regular $4.32, midgrade $4.93, premium $5.32, diesel $6.29 a gallon; electricity $0.15 per kWh.
  • Recall and complaint counts: NHTSA recall file dated Sep 27, 2026 and complaint file dated Sep 26, 2026.

Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.