2018 Jeep Grand Cherokee

Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data

The 2018 Jeep Grand Cherokee is sold in the U.S. with diesel and gasoline power. The EPA lists 7 configurations for this model year, with combined economy from 13 to 25 MPG and an estimated annual fuel cost of $3,100 to $6,150 at 15,000 miles.

Key numbers

Model year2018
Vehicle classStandard Sport Utility Vehicle 4WD
Fuel type(s)Diesel, Gasoline
Combined economy13-25 MPG
Best / worst combined25 / 13 MPG
Annual fuel cost$3,100-$6,150
Tailpipe CO₂408-664 g/mi
EPA smog rating1-5 / 10
NHTSA overall4 / 5 stars

What it costs to fuel

Across its configurations, the 2018 Grand Cherokee costs about $3,100 to $6,150 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $4,243. Over five years that is about $21,214 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.

Relative to an average new vehicle, this Grand Cherokee configuration spends about $7,250 more on fuel over five years.

For context, the average combined economy of standard sport utility vehicle 4wd in this dataset is about 23 MPG. The Grand Cherokee sits roughly 4 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.

Configurations and fuel economy

VersionEngineDriveTransFuelCombinedAnnual fuel
Grand Cherokee 2WD3.0L 6-cyl turboRear-WheelAutomaticDiesel25 MPG$3,750
Grand Cherokee 4WD3.0L 6-cyl turboAll-WheelAutomaticDiesel24 MPG$3,950
Grand Cherokee 2WD3.6L 6-cylRear-WheelAutomaticGasoline21 MPG$3,100
Grand Cherokee 4WD3.6L 6-cylAll-WheelAutomaticGasoline21 MPG$3,100
Grand Cherokee 4WD5.7L 8-cylAll-WheelAutomaticGasoline17 MPG$4,350
Grand Cherokee SRT 4WD6.4L 8-cylAll-WheelAutomaticGasoline15 MPG$5,300
Grand Cherokee TrackHawk 4WD6.2L 8-cyl superchargedAll-WheelAutomaticGasoline13 MPG$6,150

Emissions, safety and size

The 2018 Grand Cherokee records tailpipe CO₂ of 408-664 g/mi, an EPA smog rating of 1-5 out of 10, a 4-star NHTSA overall crash rating. The EPA classifies it as standard sport utility vehicle 4wd.

Compare this car

Open the comparison tool to line this 2018 Grand Cherokee up against any other vehicle in the database, or jump to other years and trims from the 2018 Jeep Grand Cherokee overview.

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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.