Model Years

2021 Subaru Ascent MPG and Fuel Cost

The 2021 Subaru Ascent is rated 22 to 23 mpg combined across 2 EPA-tested gas versions; the best is the 2.4L turbo 4-cyl · AWD · CVT.

EPA fuel economy

2021 Subaru Ascent · 2 EPA-tested versions

Best EPA rating

23MPG combined

21 city 27 highway

$2,700 a year to fuel

Fuel economy score5/10

2.4L turbo 4-cyl · AWD · CVT

Best version costs $2,500 more in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.00 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated

At EPA's price assumptions, fuel costs $2,700 to $2,850 a year. Ratings for the best versions are unchanged from 2020.

About a typical Ascent year

The 2021 drew 62 owner complaints in its first three years, against 62 for a typical Ascent year.

Years to avoid: 2019 and 2020; best year: 2023. Based on owner complaints, not adjusted for sales.

Every Ascent year rankedThe 2021 Ascent's recalls and problems

Every 2021 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
23 mpg 21 / 27 $2,700
2.4L turbo 4-cyl · AWD · CVT · Limited Touring
EPA listing: Ascent Limited/Touring
22 mpg 20 / 26 $2,850

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.00 a gallon for regular gas. Change the numbers to match your driving.

VersionPer yearPer month5 years
2.4L turbo 4-cyl · AWD · CVT
$2,609$217$13,043
2.4L turbo 4-cyl · AWD · CVT · Limited Touring
$2,727$227$13,636

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.

2021: gas 23 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 2021 Ascent compares

2021 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.

2021 modelBest combinedBest gasFuel / year
Best: hybrid
37 mpg26 mpg$1,700
Best: hybrid
36 mpg24 mpg$1,750
Best: hybrid
34 mpg26 mpg$1,850
Best: hybrid
30 mpg23 mpg$2,600
Best: hybrid
27 mpg24 mpg$2,300
Best: gas
25 mpg25 mpg$2,500
Best: gas
25 mpg25 mpg$2,500
Best: gas
24 mpg24 mpg$2,600
Best: gas
24 mpg24 mpg$2,600
Best: gas
23 mpg23 mpg$2,700
Best: gas
23 mpg23 mpg$2,700
Subaru Ascent This page
Best: gas
23 mpg23 mpg$2,700
Best: gas
23 mpg23 mpg$2,700
Best: gas
22 mpg22 mpg$2,850
Best: gas
22 mpg22 mpg$2,850
Best: gas
22 mpg22 mpg$2,850
Best: gas
21 mpg21 mpg$2,950
Best: gas
21 mpg21 mpg$2,950
Best: gas
21 mpg21 mpg$2,950
Best: gas
21 mpg21 mpg$2,950

2021 Ascent recalls and complaints

NHTSA lists 2 safety recalls and 106 owner complaints for the 2021 Ascent.

Owners most often describe a cracked windshield (16 complaints, 15%), then transmission failure (12). NHTSA's overall crash rating: 5 stars.

See the 2021 Ascent recalls and problems

Questions

Does the 2021 Subaru Ascent need premium gas?

No. EPA lists every 2021 Subaru Ascent version on regular gasoline.

How does the 2021 Ascent's MPG compare with the 2020?

For 2021, the best gas version is rated 23 mpg, the same as the year before.

Sources and method

  • US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Nov 4, 2026.
  • EPA fuel price assumptions: regular $4.00, midgrade $4.61, premium $5.01, diesel $6.13 a gallon; electricity $0.15 per kWh.
  • Recall and complaint counts: NHTSA recall file dated Nov 12, 2026 and complaint file dated Nov 11, 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.