Model Years

2021 Toyota 4Runner MPG and Fuel Cost

The 2021 Toyota 4Runner is rated 17 mpg combined in every gas version EPA tested.

EPA fuel economy

2021 Toyota 4Runner · 3 EPA-tested versions

Best EPA rating

17MPG combined

16 city 19 highway

$3,800 a year to fuel

Fuel economy score3/10

4.0L 6-cyl · AWD · 5-speed automatic

Best version costs $7,500 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 about $3,800 a year. Ratings for the best versions are unchanged from 2020.

Every 2021 4Runner 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
4.0L 6-cyl · AWD · 5-speed automatic Best
EPA listing: 4Runner 4WD
17 mpg 16 / 19 $3,800
4.0L 6-cyl · Part-time 4WD · 5-speed automatic
EPA listing: 4Runner 4WD
17 mpg 16 / 19 $3,800
4.0L 6-cyl · RWD · 5-speed automatic
EPA listing: 4Runner 2WD
17 mpg 16 / 19 $3,800

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
4.0L 6-cyl · AWD · 5-speed automatic
$3,812$318$19,059
4.0L 6-cyl · Part-time 4WD · 5-speed automatic
$3,812$318$19,059
4.0L 6-cyl · RWD · 5-speed automatic
$3,812$318$19,059

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

Toyota 4Runner MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 17 to 22 mpg (every year from 2016 to 2026); 22 since 2025. Hybrid: 23 mpg (2025 to 2026).

  • Best gas version
  • Best hybrid version

2021: gas 17 mpg · hybrid not offered

Show as a table
Toyota 4Runner best combined mpg by model year
Model yearBest gas versionBest hybrid version
201619–
201718–
201818–
201918–
202017–
202117–
202217–
202317–
202417–
20252223
20262223

How the 2021 4Runner compares

2021 off-road 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: diesel
25 mpg23 mpg$2,800
Best: gas
21 mpg21 mpg$3,100
Toyota 4Runner This page
Best: gas
17 mpg17 mpg$3,800

2021 4Runner recalls and complaints

NHTSA lists 1 safety recall and 36 owner complaints for the 2021 4Runner.What they cover, and crash test ratings

Questions

Does AWD lower the 2021 Toyota 4Runner's gas mileage?

No. Versions that differ only in drive share the same combined rating: the 4.0L 6-cyl gets 17 mpg combined with two-wheel drive and 17 with AWD.

Does the 2021 Toyota 4Runner need premium gas?

No. EPA lists every 2021 Toyota 4Runner version on regular gasoline.

How does the 2021 4Runner's MPG compare with the 2020?

For 2021, the best gas version is rated 17 mpg, the same as the year before.

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.