1997 GMC Suburban 1500 4WDFuel Economy & MPG Ratings
Gasoline Special Purpose Vehicles4-Wheel or All-Wheel Drive
City
11
MPG
Highway
15
MPG
Combined
12
MPG
Real-World MPG
Based on 3 owner reports via EPA fueleconomy.gov
15.0MPG average+25.0% vs EPA label
EPA combined: 12 MPG · Owner reported avg: 15.0 MPG
Range: 14–17 MPG
Driving mix: City 33% / Highway 67%
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 15.0 real world MPG based on 3 owner reports. EPA combined rating is 12 MPG.
Trim Comparison
Automatic 4-spd
Regular
City
11
Hwy
15
Comb
12
Fuel cost: $5,600/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 11 | 15 | 12 | $5,600 |
Annual Fuel Cost
$5,600
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-16,000
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 741 g/mile
- Annual Petroleum Consumption
- 24.8 barrels
Specifications
- Engine
- 5.7L 8-cyl
- Transmission
- 4-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
- 5.7L, 8-cylinder
- Induction Type
- Port Fuel Injection, Multi-Point Fuel Injection
- 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$5,613/yr
California
$5.957/gal$7,446/yr
Texas
$3.888/gal$4,860/yr
Florida
$4.136/gal$5,170/yr
New York
$4.522/gal$5,653/yr
Ohio
$4.510/gal$5,638/yr
Washington
$5.591/gal$6,989/yr
Colorado
$4.618/gal$5,773/yr
Minnesota
$4.344/gal$5,430/yr
Massachusetts
$4.448/gal$5,560/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $5,613/yr | — |
| California | $5.957/gal | $7,446/yrHIGHEST | +$1,833 |
| Texas | $3.888/gal | $4,860/yrLOWEST | $-753 |
| Florida | $4.136/gal | $5,170/yr | $-443 |
| New York | $4.522/gal | $5,653/yr | +$40 |
| Ohio | $4.510/gal | $5,638/yr | +$25 |
| Washington | $5.591/gal | $6,989/yr | +$1,376 |
| Colorado | $4.618/gal | $5,773/yr | +$160 |
| Minnesota | $4.344/gal | $5,430/yr | $-183 |
| Massachusetts | $4.448/gal | $5,560/yr | $-53 |
Calculated at 15,000 miles/year (EPA standard assumption) using 12 MPG combined. Regular gasoline prices. Actual costs vary.
Related
GMC Suburban 1500 4WD MPG History
See how this model's fuel economy changed by year