1991 GMC Sierra 1500 4WDFuel Economy & MPG Ratings
Diesel Standard Pickup Trucks 4WD4-Wheel or All-Wheel Drive
City
16
MPG
Highway
20
MPG
Combined
17
MPG
Trim Comparison
Manual 5-spd
Diesel Diesel
City
16
Hwy
20
Comb
17
Fuel cost: $5,000/yr
Automatic 4-spd
Regular
City
14
Hwy
18
Comb
16
Fuel cost: $4,200/yr
Manual 5-spd
Regular
City
15
Hwy
19
Comb
16
Fuel cost: $4,200/yr
Manual 5-spd
Regular
City
15
Hwy
18
Comb
16
Fuel cost: $4,200/yr
Manual 4-spd
Diesel Diesel
City
15
Hwy
17
Comb
16
Fuel cost: $5,300/yr
Automatic 4-spd
Diesel Diesel
City
15
Hwy
19
Comb
16
Fuel cost: $5,300/yr
Manual 4-spd
Regular
City
14
Hwy
16
Comb
15
Fuel cost: $4,500/yr
Manual 5-spd
Regular
City
12
Hwy
17
Comb
14
Fuel cost: $4,800/yr
Automatic 4-spd
Regular
City
12
Hwy
16
Comb
14
Fuel cost: $4,800/yr
Manual 5-spd
Regular
City
11
Hwy
16
Comb
13
Fuel cost: $5,200/yr
Automatic 4-spd
Regular
City
11
Hwy
15
Comb
13
Fuel cost: $5,200/yr
Manual 5-spd
Regular
City
11
Hwy
15
Comb
13
Fuel cost: $5,200/yr
Manual 4-spd
Regular
City
11
Hwy
13
Comb
12
Fuel cost: $5,600/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Manual 5-spd | Diesel Diesel | 16 | 20 | 17 | $5,000 |
| Automatic 4-spd | Regular | 14 | 18 | 16 | $4,200 |
| Manual 5-spd | Regular | 15 | 19 | 16 | $4,200 |
| Manual 5-spd | Regular | 15 | 18 | 16 | $4,200 |
| Manual 4-spd | Diesel Diesel | 15 | 17 | 16 | $5,300 |
| Automatic 4-spd | Diesel Diesel | 15 | 19 | 16 | $5,300 |
| Manual 4-spd | Regular | 14 | 16 | 15 | $4,500 |
| Manual 5-spd | Regular | 12 | 17 | 14 | $4,800 |
| Automatic 4-spd | Regular | 12 | 16 | 14 | $4,800 |
| Manual 5-spd | Regular | 11 | 16 | 13 | $5,200 |
| Automatic 4-spd | Regular | 11 | 15 | 13 | $5,200 |
| Manual 5-spd | Regular | 11 | 15 | 13 | $5,200 |
| Manual 4-spd | Regular | 11 | 13 | 12 | $5,600 |
Annual Fuel Cost
$5,000
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-13,000
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 599 g/mile
- Annual Petroleum Consumption
- 21.0 barrels
Specifications
- Engine
- 6.2L 8-cyl
- Transmission
- 5-speed Manual
- 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
- 6.2L, 8-cylinder
- Induction Type
- (DIESEL) (NO-CAT)
- Fuel Type
- Diesel
Related
GMC Sierra 1500 4WD MPG History
See how this model's fuel economy changed by year