1994 · Full-Size Pickup · Diesel
1994 GMC Sierra Diesel MPG & fuel economy
The 1994 GMC Sierra Diesel is a full-size pickup offered in 10 EPA-rated configurations. The most efficient version returns 19 MPG combined (17 city / 22 highway) on diesel. Across the lineup, combined ratings range from 15 to 19 MPG. That's up 1 MPG from the 1993 model. Among 16 full-size pickups rated for 1994, it ranks 12th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,921 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1994 GMC Sierra Diesel's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 9.4 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 22 | 9.4 | 10.7 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 1994 Full-Size Pickups
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Sierra Diesel MPG across model years
Full history →10 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 6.5L 8-cyl · 5-speed manual Sierra 1500 2WD |
Diesel | 17 MPG | 22 MPG | 19 MPG | — | $2,921 |
| RWD · 6.5L 8-cyl · 4-speed automatic Sierra 1500 2WD |
Diesel | 15 MPG | 21 MPG | 17 MPG | — | $3,265 |
| RWD · 6.5L 8-cyl turbo · 4-speed automatic Sierra 1500 2WD |
Diesel | 15 MPG | 20 MPG | 17 MPG | — | $3,265 |
| 4WD/AWD · 6.5L 8-cyl · 5-speed manual Sierra 1500 4WD |
Diesel | 15 MPG | 20 MPG | 17 MPG | — | $3,265 |
| RWD · 6.5L 8-cyl · 4-speed automatic Sierra 2500 2WD |
Diesel | 15 MPG | 20 MPG | 16 MPG | — | $3,469 |
| RWD · 6.5L 8-cyl turbo · 4-speed automatic Sierra 2500 2WD |
Diesel | 15 MPG | 19 MPG | 16 MPG | — | $3,469 |
| 4WD/AWD · 6.5L 8-cyl · 4-speed automatic Sierra 1500 4WD |
Diesel | 14 MPG | 18 MPG | 16 MPG | — | $3,469 |
| 4WD/AWD · 6.5L 8-cyl · 5-speed manual Sierra 2500 4WD |
Diesel | 15 MPG | 19 MPG | 16 MPG | — | $3,469 |
| 4WD/AWD · 6.5L 8-cyl · 4-speed automatic Sierra 2500 4WD |
Diesel | 15 MPG | 18 MPG | 16 MPG | — | $3,469 |
| 4WD/AWD · 6.5L 8-cyl turbo · 4-speed automatic Sierra 1500 4WD |
Diesel | 14 MPG | 17 MPG | 15 MPG | — | $3,700 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 6.5L 8-cyl
- Transmission
- 5-speed manual
- Drivetrain
- RWD
- Tailpipe CO₂
- 536 g/mi
1994 GMC Sierra Diesel vs. rivals
Compare the 1994 Sierra Diesel
With any other car from any year, including other Sierra Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 1994 GMC Sierra (18 MPG)
Frequently asked questions
What is the gas mileage of the 1994 GMC Sierra Diesel?
Up to 19 MPG combined (17 city / 22 highway); ratings range from 15 to 19 MPG depending on configuration.
What fuel does the 1994 GMC Sierra Diesel use?
Diesel.
What is the fuel average in km/L for the 1994 GMC Sierra Diesel?
The 1994 GMC Sierra Diesel's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 9.4 km/L on the highway.
How much does it cost to fuel the 1994 GMC Sierra Diesel per year?
About $2,921 at 15,000 miles a year with $3.70/gal diesel fuel, or $19.47 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.