1984 GMC T15 (S15) Jimmy 4WDFuel Economy & MPG Ratings
Gasoline Special Purpose Vehicle 4WD4-Wheel or All-Wheel Drive
City
18
MPG
Highway
24
MPG
Combined
20
MPG
Trim Comparison
Manual 4-spd
Regular
City
18
Hwy
24
Comb
20
Fuel cost: $3,400/yr
Manual 5-spd
Regular
City
18
Hwy
23
Comb
20
Fuel cost: $3,400/yr
Manual 4-spd
Regular
City
18
Hwy
23
Comb
20
Fuel cost: $3,400/yr
Manual 5-spd
Regular
City
17
Hwy
24
Comb
20
Fuel cost: $3,400/yr
Automatic 4-spd
Regular
City
15
Hwy
22
Comb
18
Fuel cost: $3,750/yr
Automatic 4-spd
Regular
City
15
Hwy
22
Comb
18
Fuel cost: $3,750/yr
Manual 5-spd
Regular
City
15
Hwy
22
Comb
17
Fuel cost: $3,950/yr
Manual 4-spd
Regular
City
15
Hwy
20
Comb
17
Fuel cost: $3,950/yr
Manual 5-spd
Regular
City
15
Hwy
22
Comb
17
Fuel cost: $3,950/yr
Manual 4-spd
Regular
City
15
Hwy
20
Comb
17
Fuel cost: $3,950/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Manual 4-spd | Regular | 18 | 24 | 20 | $3,400 |
| Manual 5-spd | Regular | 18 | 23 | 20 | $3,400 |
| Manual 4-spd | Regular | 18 | 23 | 20 | $3,400 |
| Manual 5-spd | Regular | 17 | 24 | 20 | $3,400 |
| Automatic 4-spd | Regular | 15 | 22 | 18 | $3,750 |
| Automatic 4-spd | Regular | 15 | 22 | 18 | $3,750 |
| Manual 5-spd | Regular | 15 | 22 | 17 | $3,950 |
| Manual 4-spd | Regular | 15 | 20 | 17 | $3,950 |
| Manual 5-spd | Regular | 15 | 22 | 17 | $3,950 |
| Manual 4-spd | Regular | 15 | 20 | 17 | $3,950 |
Annual Fuel Cost
$3,400
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-5,000
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 444 g/mile
- Annual Petroleum Consumption
- 14.9 barrels
Specifications
- Engine
- 2.8L 4-cyl
- Transmission
- 4-speed Manual
- Drivetrain
- AWD
- Body Style
- Special Purpose Vehicle 4WD
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 2L, 4-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$3,368/yr
California
$5.957/gal$4,468/yr
Texas
$3.888/gal$2,916/yr
Florida
$4.136/gal$3,102/yr
New York
$4.522/gal$3,392/yr
Ohio
$4.510/gal$3,383/yr
Washington
$5.591/gal$4,193/yr
Colorado
$4.618/gal$3,464/yr
Minnesota
$4.344/gal$3,258/yr
Massachusetts
$4.448/gal$3,336/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $3,368/yr | — |
| California | $5.957/gal | $4,468/yrHIGHEST | +$1,100 |
| Texas | $3.888/gal | $2,916/yrLOWEST | $-452 |
| Florida | $4.136/gal | $3,102/yr | $-266 |
| New York | $4.522/gal | $3,392/yr | +$24 |
| Ohio | $4.510/gal | $3,383/yr | +$15 |
| Washington | $5.591/gal | $4,193/yr | +$825 |
| Colorado | $4.618/gal | $3,464/yr | +$96 |
| Minnesota | $4.344/gal | $3,258/yr | $-110 |
| Massachusetts | $4.448/gal | $3,336/yr | $-32 |
Calculated at 15,000 miles/year (EPA standard assumption) using 20 MPG combined. Regular gasoline prices. Actual costs vary.
Related
GMC T15 (S15) Jimmy 4WD MPG History
See how this model's fuel economy changed by year