Model Years

2021 Jeep Grand Cherokee MPG and Fuel Cost

The 2021 Jeep Grand Cherokee is rated 13 to 21 mpg combined across 5 EPA-tested gas versions; the best is the 3.6L 6-cyl · AWD · 8-speed automatic.

EPA fuel economy

2021 Jeep Grand Cherokee · 5 EPA-tested versions

Best EPA rating

21MPG combined

18 city 25 highway

$3,100 a year to fuel

Fuel economy score4/10

3.6L 6-cyl · AWD · 8-speed automatic

Best version costs $4,000 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 $3,100 to $6,150 a year. Ratings for the best versions are unchanged from 2020.

Every 2021 Grand Cherokee 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
3.6L 6-cyl · AWD · 8-speed automatic Best
EPA listing: Grand Cherokee 4WD (also Grand Cherokee L 4WD)
21 mpg 18 / 25 $3,100
3.6L 6-cyl · RWD · 8-speed automatic
EPA listing: Grand Cherokee 2WD (also Grand Cherokee L 2WD)
21 mpg 19 / 26 $3,100
5.7L 8-cyl · AWD · 8-speed automatic
EPA listing: Grand Cherokee 4WD (also Grand Cherokee L 4WD) · Midgrade fuel
17 mpg 14 / 22 $4,350
6.4L 8-cyl · AWD · 8-speed automatic
EPA listing: Grand Cherokee SRT 4WD · Premium fuel
15 mpg 13 / 19 $5,300
6.2L supercharged 8-cyl · AWD · 8-speed automatic
EPA listing: Grand Cherokee Trackhawk 4WD · Premium fuel
13 mpg 11 / 17 $6,150

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, $4.93 a gallon for midgrade gas, and $5.32 a gallon for premium gas. Change the numbers to match your driving.

VersionPer yearPer month5 years
3.6L 6-cyl · AWD · 8-speed automatic
$3,086$257$15,429
3.6L 6-cyl · RWD · 8-speed automatic
$3,086$257$15,429
5.7L 8-cyl · AWD · 8-speed automatic
$4,350$363$21,750
6.4L 8-cyl · AWD · 8-speed automatic
$5,320$443$26,600
6.2L supercharged 8-cyl · AWD · 8-speed automatic
$6,138$512$30,692

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

Jeep Grand Cherokee MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 21 to 23 mpg (every year from 2016 to 2026); highest in 2026. Diesel: 24 to 25 mpg (2016, 2018 to 2019); highest in 2016.

  • Best gas version
  • Best diesel version

2021: gas 21 mpg · diesel not offered

Show as a table
Jeep Grand Cherokee best combined mpg by model year
Model yearBest gas versionBest diesel version
20162125
201721–
20182125
20192124
202021–
202121–
202222–
202322–
202422–
202522–
202623–

How the 2021 Grand Cherokee 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
36 mpg24 mpg$1,800
Best: hybrid
27 mpg24 mpg$2,400
Best: gas
23 mpg23 mpg$2,800
Jeep Grand Cherokee This page
Best: gas
21 mpg21 mpg$3,100

2021 Grand Cherokee recalls and complaints

NHTSA lists 16 safety recalls and 482 owner complaints for the 2021 Grand Cherokee.What they cover, and crash test ratings

Questions

Does AWD lower the 2021 Jeep Grand Cherokee's gas mileage?

No. Versions that differ only in drive share the same combined rating: the 3.6L 6-cyl gets 21 mpg combined with two-wheel drive and 21 with AWD.

Does the 2021 Jeep Grand Cherokee need premium gas?

Some versions do. EPA lists the 6.2L supercharged 8-cyl and the 6.4L 8-cyl on premium, the rest use regular.

How does the 2021 Grand Cherokee's MPG compare with the 2020?

For 2021, the best gas version is rated 21 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.