1991 · Subcompact Car · Gas
1991 Pontiac Firefly MPG & fuel economy
The 1991 Pontiac Firefly is a subcompact car offered in 2 EPA-rated configurations. The most efficient version returns 40 MPG combined (37 city / 45 highway) on regular gasoline. Across the lineup, combined ratings range from 33 to 40 MPG. That's down 1 MPG from the 1990 model. Among 63 subcompact cars rated for 1991, it ranks 3rd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,162 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1991 Pontiac Firefly's fuel average is 17.0 km/L (5.9 L/100 km), or 40 MPG combined: 15.7 km/L in the city and 19.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 37 | 15.7 | 6.4 |
| Highway | 45 | 19.1 | 5.2 |
| Combined | 40 | 17.0 | 5.9 |
How it ranks among 1991 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Firefly MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.0L 3-cyl · 5-speed manual Firefly |
Gas | 37 MPG | 45 MPG | 40 MPG | — | $1,162 |
| FWD · 1.0L 3-cyl · 3-speed automatic Firefly |
Gas | 31 MPG | 35 MPG | 33 MPG | — | $1,409 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 1.0L 3-cyl
- Transmission
- 5-speed manual
- Drivetrain
- FWD
- Passenger volume
- 79 cu ft
- Cargo volume
- 10 cu ft
- Tailpipe CO₂
- 222 g/mi
1991 Pontiac Firefly vs. rivals
Compare the 1991 Firefly
With any other car from any year, including other Firefly model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 1991 Pontiac Firefly?
Up to 40 MPG combined (37 city / 45 highway); ratings range from 33 to 40 MPG depending on configuration.
What fuel does the 1991 Pontiac Firefly use?
Regular gasoline.
What is the fuel average in km/L for the 1991 Pontiac Firefly?
The 1991 Pontiac Firefly's fuel average is 17.0 km/L (5.9 L/100 km), or 40 MPG combined: 15.7 km/L in the city and 19.1 km/L on the highway.
How much does it cost to fuel the 1991 Pontiac Firefly per year?
About $1,162 at 15,000 miles a year with $3.10/gal regular gas, or $7.75 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.