1998 · Large Car · Gas
1998 Pontiac Bonneville MPG & fuel economy
The 1998 Pontiac Bonneville is a large car offered in 2 EPA-rated configurations. The most efficient version returns 20 MPG combined (17 city / 26 highway) on regular gasoline. Across the lineup, combined ratings range from 19 to 20 MPG. Efficiency is unchanged from the 1997 model. Among 19 large cars rated for 1998, it ranks 7th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1998 Pontiac Bonneville's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 20 | 8.5 | 11.8 |
How it ranks among 1998 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Bonneville MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.8L 6-cyl · 4-speed automatic Bonneville |
Gas | 17 MPG | 26 MPG | 20 MPG | — | $2,325 |
| FWD · 3.8L 6-cyl turbo · 4-speed automatic Bonneville |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $2,447 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.8L 6-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 110 cu ft
- Cargo volume
- 18 cu ft
- Tailpipe CO₂
- 444 g/mi
1998 Pontiac Bonneville vs. rivals
Compare the 1998 Bonneville
With any other car from any year, including other Bonneville model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 1998 Pontiac Bonneville?
Up to 20 MPG combined (17 city / 26 highway); ratings range from 19 to 20 MPG depending on configuration.
What fuel does the 1998 Pontiac Bonneville use?
Regular gasoline.
What is the fuel average in km/L for the 1998 Pontiac Bonneville?
The 1998 Pontiac Bonneville's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 1998 Pontiac Bonneville per year?
About $2,325 at 15,000 miles a year with $3.10/gal regular gas, or $15.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.