1985 · Subcompact Car · Gas
1985 Pontiac Firebird/Trans Am/Formula MPG & fuel economy
The 1985 Pontiac Firebird/Trans Am/Formula is a subcompact car offered in 7 EPA-rated configurations. The most efficient version returns 24 MPG combined (21 city / 31 highway) on regular gasoline. Across the lineup, combined ratings range from 17 to 24 MPG. That's up 1 MPG from the 1984 model. Among 63 subcompact cars rated for 1985, it ranks 29th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel.
What will it cost you?
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Fuel average
The 1985 Pontiac Firebird/Trans Am/Formula's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 13.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 21 | 8.9 | 11.2 |
| Highway | 31 | 13.2 | 7.6 |
| Combined | 24 | 10.2 | 9.8 |
How it ranks among 1985 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 →7 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.5L 4-cyl · 5-speed manual Firebird |
Gas | 21 MPG | 31 MPG | 24 MPG | — | $1,938 |
| RWD · 2.5L 4-cyl · 4-speed automatic Firebird |
Gas | 19 MPG | 29 MPG | 23 MPG | — | $2,022 |
| RWD · 2.5L 4-cyl · 4-speed manual Firebird |
Gas | 19 MPG | 26 MPG | 22 MPG | — | $2,114 |
| RWD · 2.8L 6-cyl · 4-speed automatic Firebird |
Gas | 16 MPG | 24 MPG | 19 MPG | — | $2,447 |
| RWD · 2.8L 6-cyl · 5-speed manual Firebird |
Gas | 16 MPG | 24 MPG | 19 MPG | — | $2,447 |
| RWD · 2.8L 6-cyl · 5-speed manual Firebird |
Gas | 15 MPG | 24 MPG | 18 MPG | — | $2,583 |
| RWD · 5.0L 8-cyl · 4-speed automatic Firebird |
Gas | 15 MPG | 20 MPG | 17 MPG | — | $2,735 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.5L 4-cyl
- Transmission
- 5-speed manual
- Drivetrain
- RWD
- Passenger volume
- 84 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 370 g/mi
1985 Pontiac Firebird/Trans Am/Formula vs. rivals
Compare the 1985 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: 1985 Pontiac Firebird/Trans Am/Formula Hybrid (17 MPG)
Frequently asked questions
What is the gas mileage of the 1985 Pontiac Firebird/Trans Am/Formula?
Up to 24 MPG combined (21 city / 31 highway); ratings range from 17 to 24 MPG depending on configuration.
What fuel does the 1985 Pontiac Firebird/Trans Am/Formula use?
Regular gasoline.
What is the fuel average in km/L for the 1985 Pontiac Firebird/Trans Am/Formula?
The 1985 Pontiac Firebird/Trans Am/Formula's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 13.2 km/L on the highway.
How much does it cost to fuel the 1985 Pontiac Firebird/Trans Am/Formula per year?
About $1,938 at 15,000 miles a year with $3.10/gal regular gas, or $12.92 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.