- Newest year: 2021
- Gas
- Standard SUVs
2021 Jeep Grand Cherokee MPG & Fuel Cost
8 configurations · 13–21 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 9 of 10 standard SUV configurations, MY2021. Ranked against all rated configurations, not sales-weighted.
2021 Jeep Grand Cherokee at a glance
The 2021 Jeep Grand Cherokee has 8 configurations in the EPA database, rated 13–21 MPG combined. The most efficient is the Grand Cherokee 3.6L 6-cyl RWD at 21 MPG, which costs about $3,050 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). Annual fuel cost across the configurations runs from $3,050 to $6,040, a $2,990 difference. The Grand Cherokee 3.6L 6-cyl RWD costs less to fuel than 9 of 10 standard SUV configurations rated for MY2021 (class median $4,040 a year).
What the 2021 Grand Cherokee 3.6L 6-cyl RWD costs to drive
Per month
$254
$3,050 a year ÷ 12
Per 25 miles
$5.08
Per 100 miles
$20.33
Five years
$15,250
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$990less a year
Class median $4,040 a year, MY2021
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2021 Jeep Grand Cherokee MPG
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Grand Cherokee 3.6L 6-cyl RWD (Most efficient) | 3.6L 6-cyl | RWD | 19 | 26 | 21 | $3,050 |
| L 3.6L 6-cyl RWD | 3.6L 6-cyl | RWD | 19 | 26 | 21 | $3,060 |
| Grand Cherokee 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 18 | 25 | 21 | $3,140 |
| L 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 18 | 25 | 21 | $3,150 |
| Grand Cherokee 5.7L 8-cyl | 5.7L 8-cyl | AWD | 14 | 22 | 17 | $4,460 |
| L 5.7L 8-cyl | 5.7L 8-cyl | AWD | 14 | 22 | 17 | $4,460 |
| SRT | 6.4L 8-cyl | AWD | 13 | 19 | 15 | $5,370 |
| Trackhawk | 6.2L 8-cyl supercharged | AWD | 11 | 17 | 13 | $6,040 |
4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Grand Cherokee 3.6L 6-cyl RWD: $4,140 in California and $2,660 in Texas, a $1,480 difference.
- California $4,140
- Washington $3,840
- New York $3,050
- Florida $2,880
- Texas $2,660
Similar cars
Closest combined MPG among MY2021 standard SUV models.
Generations
Frequently asked questions
How does the 2021 Jeep Grand Cherokee compare with the previous generation?
The previous generation (2011-2020 Jeep Grand Cherokee) is rated 13–25 MPG combined and costs $3,050–$6,040 a year to fuel; the 2021 model is rated 13–21 MPG and costs $3,050–$6,040 a year.
What gas mileage does the 2021 Jeep Grand Cherokee get?
EPA rates the 2021 Jeep Grand Cherokee at 13–21 MPG combined across 8 configurations. The most efficient, the Grand Cherokee 3.6L 6-cyl RWD, is rated 21 MPG combined (19 city / 26 highway).
How much does it cost to fuel a 2021 Jeep Grand Cherokee per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Grand Cherokee 3.6L 6-cyl RWD costs about $3,050 a year. Across all 8 configurations the cost runs $3,050–$6,040 a year. That is a $2,990 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2021 Jeep Grand Cherokee 100 miles?
About $20.33 per 100 miles for the Grand Cherokee 3.6L 6-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $20.33 and $40.27 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2021 Jeep Grand Cherokee more efficient in the city or on the highway?
The Grand Cherokee 3.6L 6-cyl RWD is rated 19 city and 26 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2021 Jeep Grand Cherokee compare with other standard SUV configurations?
The Grand Cherokee 3.6L 6-cyl RWD costs about $3,050 a year to fuel, $990 less than the class median of $4,040, and less than 9 of 10 standard SUV configurations. The comparison covers all 196 rated standard SUV configurations for MY2021, not weighted by sales.
Is the 2021 Jeep Grand Cherokee different from the 2020 model?
The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,050. EPA lists 8 configurations for 2021 against 5 configurations for 2020. See the 2020 Jeep Grand Cherokee for that year.