2002 GMC Sierra Denali 1500 AWDFuel Economy & MPG Ratings
Gasoline Standard Pickup Trucks 4WD4-Wheel or All-Wheel Drive
City
11
MPG
Highway
14
MPG
Combined
12
MPG
Real-World MPG
Based on 1 owner report via EPA fueleconomy.gov
14.5MPG average+20.8% vs EPA label
EPA combined: 12 MPG · Owner reported avg: 14.5 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.
Owner reported MPG for this vehicle averages 14.5 real world MPG based on 1 owner report. EPA combined rating is 12 MPG.
Trim Comparison
Automatic 4-spd
Regular
City
11
Hwy
14
Comb
12
Fuel cost: $5,600/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 11 | 14 | 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
- 6L 8-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- AWD
- Body Style
- Pickup Truck
- 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
- 6L, 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$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 Sierra Denali 1500 AWD MPG History
See how this model's fuel economy changed by year