1984 · Special Purpose Vehicle · Gas
1984 GMC Suburban MPG & fuel economy
The 1984 GMC Suburban is a special purpose vehicle offered in 3 EPA-rated configurations. The most efficient version returns 13 MPG combined (11 city / 15 highway) on regular gasoline. Across the lineup, combined ratings range from 11 to 13 MPG. Among 39 special purpose vehicles rated for 1984, it ranks 32nd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $3,577 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1984 GMC Suburban's fuel average is 5.5 km/L (18.1 L/100 km), or 13 MPG combined: 4.7 km/L in the city and 6.4 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 11 | 4.7 | 21.4 |
| Highway | 15 | 6.4 | 15.7 |
| Combined | 13 | 5.5 | 18.1 |
How it ranks among 1984 Special Purpose Vehicles
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Suburban MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 2WD · 5.7L 8-cyl · 4-speed automatic C15 Suburban 2WD |
Gas | 11 MPG | 15 MPG | 13 MPG | — | $3,577 |
| 4WD/AWD · 5.7L 8-cyl · 4-speed automatic K15 Suburban 4WD |
Gas | 11 MPG | 14 MPG | 12 MPG | — | $3,875 |
| 4WD/AWD · 5.7L 8-cyl · 4-speed manual K15 Suburban 4WD |
Gas | 10 MPG | 12 MPG | 11 MPG | — | $4,227 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 5.7L 8-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- 2WD
- Tailpipe CO₂
- 684 g/mi
1984 GMC Suburban vs. rivals
Compare the 1984 Suburban
With any other car from any year, including other Suburban model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 1984 GMC Suburban Hybrid (13 MPG), 1984 GMC Suburban Diesel (18 MPG)
Frequently asked questions
What is the gas mileage of the 1984 GMC Suburban?
Up to 13 MPG combined (11 city / 15 highway); ratings range from 11 to 13 MPG depending on configuration.
What fuel does the 1984 GMC Suburban use?
Regular gasoline.
What is the fuel average in km/L for the 1984 GMC Suburban?
The 1984 GMC Suburban's fuel average is 5.5 km/L (18.1 L/100 km), or 13 MPG combined: 4.7 km/L in the city and 6.4 km/L on the highway.
How much does it cost to fuel the 1984 GMC Suburban per year?
About $3,577 at 15,000 miles a year with $3.10/gal regular gas, or $23.85 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.