1988 Jeep Grand Wagoneer 4WDFuel Economy & MPG Ratings
Gasoline Special Purpose Vehicles4-Wheel or All-Wheel Drive
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City
10
MPG
Highway
12
MPG
Combined
11
MPG
Real-World MPG
Based on 1 owner report via EPA fueleconomy.gov
11.3MPG average+2.8% vs EPA label
EPA combined: 11 MPG · Owner reported avg: 11.3 MPG
Driving mix: City 50% / Highway 50%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 11.3 real world MPG based on 1 owner report. EPA combined rating is 11 MPG.
Trim Comparison
Automatic 3-spd
Regular
City
10
Hwy
12
Comb
11
Fuel cost: $6,150/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 3-spd | Regular | 10 | 12 | 11 | $6,150 |
Annual Fuel Cost
$6,150
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-18,750
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 808 g/mile
- Annual Petroleum Consumption
- 27.0 barrels
Specifications
- Engine
- 5.9L 8-cyl
- Transmission
- 3-speed Automatic
- Drivetrain
- AWD
- Body Style
- Special Purpose Vehicles
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 5.9L, 8-cylinder
- Fuel Type
- Regular Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$6,123/yr
California
$5.957/gal$8,123/yr
Texas
$3.888/gal$5,302/yr
Florida
$4.136/gal$5,640/yr
New York
$4.522/gal$6,166/yr
Ohio
$4.510/gal$6,150/yr
Washington
$5.591/gal$7,624/yr
Colorado
$4.618/gal$6,297/yr
Minnesota
$4.344/gal$5,924/yr
Massachusetts
$4.448/gal$6,065/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $6,123/yr | — |
| California | $5.957/gal | $8,123/yrHIGHEST | +$2,000 |
| Texas | $3.888/gal | $5,302/yrLOWEST | $-821 |
| Florida | $4.136/gal | $5,640/yr | $-483 |
| New York | $4.522/gal | $6,166/yr | +$43 |
| Ohio | $4.510/gal | $6,150/yr | +$27 |
| Washington | $5.591/gal | $7,624/yr | +$1,501 |
| Colorado | $4.618/gal | $6,297/yr | +$174 |
| Minnesota | $4.344/gal | $5,924/yr | $-199 |
| Massachusetts | $4.448/gal | $6,065/yr | $-58 |
Calculated at 15,000 miles/year (EPA standard assumption) using 11 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Jeep Grand Wagoneer 4WD MPG History
See how this model's fuel economy changed by year