2020 Jeep Grand Cherokee MPG
The 2020 Jeep Grand Cherokee gets 11–19 mpg in the city and 17–26 on the highway (13–21 combined), across the 5 versions the EPA rated.
The most efficient pairs the 3.6-liter 6-cylinder engine with an automatic transmission and rear-wheel drive, at 21 mpg combined. At the other end, the 6.2-liter supercharged 8-cylinder engine with an automatic transmission and all-wheel drive manages 13 mpg combined, 8 mpg less. That is 3 mpg lower than the best gasoline 2019 version (24 mpg).
| Version | Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|---|
| Grand Cherokee 2WD | 3.6 L 6-cyl | Automatic 8-spd | Rear-Wheel Drive | 19 | 26 | 21 | Regular · 414 g CO₂/mi |
| Grand Cherokee 4WD | 3.6 L 6-cyl | Automatic 8-spd | All-Wheel Drive | 18 | 25 | 21 | Regular · 427 g CO₂/mi |
| Grand Cherokee 4WD | 5.7 L 8-cyl | Automatic 8-spd | All-Wheel Drive | 14 | 22 | 17 | Midgrade · 533 g CO₂/mi |
| Grand Cherokee SRT 4WD | 6.4 L 8-cyl | Automatic 8-spd | All-Wheel Drive | 13 | 19 | 15 | Premium · 592 g CO₂/mi |
| Grand Cherokee Trackhawk 4WD | 6.2 L 8-cyl supercharged | Automatic 8-spd | All-Wheel Drive | 11 | 17 | 13 | Premium · 664 g CO₂/mi |
2020 Jeep Grand Cherokee fuel cost per year
Driving 15,000 miles a year on regular gasoline at the September 2026 U.S. average of $4.36 a gallon, the 2020 Jeep Grand Cherokee costs about $3,110 a year to fuel in its most efficient form (21 mpg combined), or roughly 21 cents a mile.
This is an estimate from EPA combined mpg and the EIA national average price; your cost depends on how and where you drive and on local prices.
2020 Jeep Grand Cherokee specs
The EPA lists 4 engine choices for the 2020 Jeep Grand Cherokee: 3.6 L 6-cyl, 5.7 L 8-cyl, 6.2 L 8-cyl supercharged and 6.4 L 8-cyl. It came with an automatic transmission, in all-wheel drive or rear-wheel drive versions. For fuel-economy purposes it sits in the EPA's "Standard Sport Utility Vehicle" class.
| Engine size (L) | Cylinders | Transmissions | Drive | Versions |
|---|---|---|---|---|
| 3.6 L | 6 | Automatic 8-spd | Rear-Wheel Drive; All-Wheel Drive | 2 |
| 5.7 L | 8 | Automatic 8-spd | All-Wheel Drive | 1 |
| 6.2 L supercharged | 8 | Automatic 8-spd | All-Wheel Drive | 1 |
| 6.4 L | 8 | Automatic 8-spd | All-Wheel Drive | 1 |
2020 Jeep Grand Cherokee problems
As of October 2026, NHTSA (the National Highway Traffic Safety Administration) holds 241 owner complaints about the 2020 Jeep Grand Cherokee.
Electrical system is the most-reported area (20% of component mentions), followed by engine (14%) and power train (11%).
Spread over its time on sale, that is 34 complaints a year: fewer than the 2019 (46 a year) and the 2021 (83 a year).
That ranks 14th of 17 Jeep Grand Cherokee model years (2008–2024), counting from the most complaints per year.
Of the 241, 24 mention a crash, 5 a fire and 10 an injury.
| Component | Mentions | Share |
|---|---|---|
| Electrical system | 74 | 20% |
| Unknown or other | 64 | 17% |
| Engine | 50 | 14% |
| Power train | 39 | 11% |
| Air bags | 17 | 5% |
| Fuel/propulsion system | 17 | 5% |
| Vehicle speed control | 16 | 4% |
| Service brakes | 13 | 4% |
| Steering | 13 | 4% |
| Back over prevention | 10 | 3% |
| Forward collision avoidance | 10 | 3% |
| Structure | 8 | 2% |
| Suspension | 8 | 2% |
| Engine and engine cooling | 6 | 2% |
| Seat belts | 5 | 1% |
| Visibility/wiper | 5 | 1% |
| Lane departure | 3 | <1% |
| Equipment | 2 | <1% |
| Exterior lighting | 2 | <1% |
| Diesel fuel system | 2 | <1% |
| Gasoline fuel system | 2 | <1% |
| Wheels | 2 | <1% |
| Seats | 1 | <1% |
| Tires | 1 | <1% |
What owners told NHTSA
ABS module completely malfunctioned from a shortage. Threw up 7 different codes, even threw up my check engine light for a bit. Can’t even use cruise control because my “memory system” and “park sense” are unavailable. …
I am submitting this complaint to report a serious safety concern involving my 2020 Jeep Grand Cherokee. At approximately 44,000–45,000 miles, the vehicle suffered a catastrophic engine failure. This was extremely alarming considering the relatively low mileage of the vehicle. …
At 50k grand cherokee would flash reverse indicator and message shift to park also when reverse would engage it was with a harsh engagement. …
2020 Jeep Grand Cherokee recalls
The 2020 Jeep Grand Cherokee has been the subject of 3 recall campaigns.
The most recent, campaign 23V411000 from June 2023, concerns engine and engine cooling.
| Campaign | Reported | Component | Grand Cherokee years covered |
|---|---|---|---|
| 23V411000 | June 8, 2023 | Engine and engine cooling | 2014–2020 |
| 22V406000 | June 9, 2022 | Diesel fuel system | 2014–2020 |
| 20V191000 | September 10, 2020 | Back over prevention | 2019–2020 |
Safety ratings
NHTSA crash-tested 2 versions of the 2020 Jeep Grand Cherokee; the best overall score is 5 out of 5 stars.
The SUV 2WD version scored 4 stars overall.
| Version tested | Overall | Frontal | Side | Rollover |
|---|---|---|---|---|
| SUV 2WD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| SUV 4WD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
Crash-test photos: NHTSA (public domain). NHTSA can reuse a test for later model years of the same design.
Compared with other years
Complaints per year on sale divide each model year's NHTSA complaints by the years since it went on sale, so older and newer Jeep Grand Cherokees can be compared fairly. Among other 2020 models in the EPA's standard sport utility vehicle class, the 2020 Ford Explorer (24 mpg) comes closest on combined fuel economy.
| Year | Best mpg | Complaints | Per year on sale | Recalls |
|---|---|---|---|---|
| 2017 | 21 | 364 | 36 | 6 |
| 2018 | 25 | 855 | 94 | 11 |
| 2019 | 24 | 370 | 46 | 7 |
| 2020 | 21 | 241 | 34 | 3 |
| 2021 | 21 | 501 | 83 | 16 |
| 2022 | 23 | 489 | 96 | 24 |
| 2023 | 23 | 594 | 146 | 23 |
Every Jeep Grand Cherokee model year compared →
Similar 2020 models
FAQ
Is the 2020 Grand Cherokee a good car?
We don't rate cars, but the official data gives a picture. The 2020 Jeep Grand Cherokee has 34 NHTSA complaints per year on sale (14th most of 17 model years), 3 recall campaigns, a best overall crash rating of 5 stars and up to 21 mpg combined from the EPA.
What are common 2020 Grand Cherokee problems?
The components owners report most to NHTSA are electrical system (74), engine (50) and power train (39). Complaints are unverified owner reports.
How many recalls does the 2020 Grand Cherokee have?
NHTSA lists 3 recall campaigns. To see whether a recall is still open on a specific car, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2020 Grand Cherokee get?
The EPA rates the versions at 13–21 mpg combined (11–19 city, 17–26 highway).
How much does it cost to fuel a 2020 Grand Cherokee per year?
About $3,110 a year for 15,000 miles in its most efficient form, using EPA mpg and the September 2026 U.S. average regular gasoline price of $4.36 a gallon (EIA).