1990 · Subcompact Car · Gas
1990 Pontiac Firebird/Trans Am/Formula MPG & fuel economy
The 1990 Pontiac Firebird/Trans Am/Formula is a subcompact car offered in 3 EPA-rated configurations. The most efficient version returns 19 MPG combined (16 city / 25 highway) on regular gasoline. Across the lineup, combined ratings range from 17 to 19 MPG. That's down 1 MPG from the 1989 model. Among 56 subcompact cars rated for 1990, it ranks 40th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,447 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1990 Pontiac Firebird/Trans Am/Formula's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 16 | 6.8 | 14.7 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 1990 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Firebird/Trans Am/Formula MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.1L 6-cyl · 4-speed automatic Firebird/Trans Am |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $2,447 |
| RWD · 3.1L 6-cyl · 5-speed manual Firebird/Trans Am |
Gas | 15 MPG | 24 MPG | 18 MPG | — | $2,583 |
| RWD · 5.7L 8-cyl · 4-speed automatic Firebird/Trans Am |
Gas | 15 MPG | 22 MPG | 17 MPG | — | $3,485 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.1L 6-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 85 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 468 g/mi
1990 Pontiac Firebird/Trans Am/Formula vs. rivals
Compare the 1990 Firebird/Trans Am/Formula
With any other car from any year, including other Firebird/Trans Am/Formula model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 1990 Pontiac Firebird/Trans Am/Formula Hybrid (18 MPG)
Frequently asked questions
What is the gas mileage of the 1990 Pontiac Firebird/Trans Am/Formula?
Up to 19 MPG combined (16 city / 25 highway); ratings range from 17 to 19 MPG depending on configuration.
What fuel does the 1990 Pontiac Firebird/Trans Am/Formula use?
Regular gasoline.
What is the fuel average in km/L for the 1990 Pontiac Firebird/Trans Am/Formula?
The 1990 Pontiac Firebird/Trans Am/Formula's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 1990 Pontiac Firebird/Trans Am/Formula per year?
About $2,447 at 15,000 miles a year with $3.10/gal regular gas, or $16.32 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.