1998 · Special Purpose Vehicle · Gas
1998 GMC Suburban MPG & fuel economy
The 1998 GMC Suburban is a special purpose vehicle with one EPA-rated configuration. The most efficient version returns 14 MPG combined (12 city / 17 highway) on regular gasoline. Efficiency is unchanged from the 1997 model. Among 50 special purpose vehicles rated for 1998, it ranks 39th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $3,321 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1998 GMC Suburban's fuel average is 6.0 km/L (16.8 L/100 km), or 14 MPG combined: 5.1 km/L in the city and 7.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 12 | 5.1 | 19.6 |
| Highway | 17 | 7.2 | 13.8 |
| Combined | 14 | 6.0 | 16.8 |
How it ranks among 1998 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 →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 5.7L 8-cyl · 4-speed automatic Suburban 1500 2WD |
Gas | 12 MPG | 17 MPG | 14 MPG | — | $3,321 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 5.7L 8-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 635 g/mi
1998 GMC Suburban vs. rivals
Compare the 1998 Suburban
With any other car from any year, including other Suburban model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 1998 GMC Suburban?
Up to 14 MPG combined (12 city / 17 highway).
What fuel does the 1998 GMC Suburban use?
Regular gasoline.
What is the fuel average in km/L for the 1998 GMC Suburban?
The 1998 GMC Suburban's fuel average is 6.0 km/L (16.8 L/100 km), or 14 MPG combined: 5.1 km/L in the city and 7.2 km/L on the highway.
How much does it cost to fuel the 1998 GMC Suburban per year?
About $3,321 at 15,000 miles a year with $3.10/gal regular gas, or $22.14 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.