2018 Jeep Grand Cherokee 4WDFuel Economy & MPG Ratings

Diesel Standard Sport Utility Vehicle 4WDAll-Wheel Drive

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City

MPG

Highway

MPG

Combined

MPG

Real-World MPG

Based on 1 owner report via EPA fueleconomy.gov

26.8MPG average+11.7% vs EPA label

EPA combined: 24 MPG · Owner reported avg: 26.8 MPG

Driving mix: City 30% / Highway 70%

Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.

Trim Comparison

Automatic 8-spd

Diesel Diesel

City

Hwy

Comb

Fuel cost: $3,500/yr

Automatic 8-spd

Regular

City

Hwy

Comb

Fuel cost: $3,200/yr

Automatic 8-spd

Midgrade

City

Hwy

Comb

Fuel cost: $4,450/yr

Trim	Engine	City	Hwy	Combined	Fuel Cost/yr
Automatic 8-spd	Diesel Diesel	21	28	24	$3,500
Automatic 8-spd	Regular	18	25	21	$3,200
Automatic 8-spd	Midgrade	14	22	17	$4,450

Annual Fuel Cost

$3,500

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings

$-5,500

vs. average new vehicle

EPA Fuel Economy Score: 5/10

GHG Score: 4/10

Environment

CO₂ Tailpipe Emissions: 432 g/mile
Annual Petroleum Consumption: 14.9 barrels

Specifications

Engine: 5.7L 6-cyl
Transmission: 8-speed Automatic
Drivetrain: AWD
Body Style: SUV/Crossover
GVWR: Class 2-3 (6,001–10,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size: 3L, 6-cylinder
Fuel Type: Diesel

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default

$4.490/gal$2,806/yr

California

$5.957/gal$3,723/yr

Texas

$3.888/gal$2,430/yr

Florida

$4.136/gal$2,585/yr

New York

$4.522/gal$2,826/yr

Ohio

$4.510/gal$2,819/yr

Washington

$5.591/gal$3,494/yr

Colorado

$4.618/gal$2,886/yr

Minnesota

$4.344/gal$2,715/yr

Massachusetts

$4.448/gal$2,780/yr

State	Gas Price	Annual Cost	vs. National Avg
National AvgEPA default	$4.490/gal	$2,806/yr	—
California	$5.957/gal	$3,723/yrHIGHEST	+$917
Texas	$3.888/gal	$2,430/yrLOWEST	$-376
Florida	$4.136/gal	$2,585/yr	$-221
New York	$4.522/gal	$2,826/yr	+$20
Ohio	$4.510/gal	$2,819/yr	+$13
Washington	$5.591/gal	$3,494/yr	+$688
Colorado	$4.618/gal	$2,886/yr	+$80
Minnesota	$4.344/gal	$2,715/yr	$-91
Massachusetts	$4.448/gal	$2,780/yr	$-26