1984 · Subcompact Car · Gas
1984 Pontiac Firebird/Trans Am/Formula MPG & fuel economy
The 1984 Pontiac Firebird/Trans Am/Formula is a subcompact car offered in 5 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 29 highway) on regular gasoline. Across the lineup, combined ratings range from 18 to 23 MPG. Among 65 subcompact cars rated for 1984, it ranks 33rd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,022 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1984 Pontiac Firebird/Trans Am/Formula's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 20 | 8.5 | 11.8 |
| Highway | 29 | 12.3 | 8.1 |
| Combined | 23 | 9.8 | 10.2 |
How it ranks among 1984 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 →5 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| — · 2.5L 4-cyl · 5-speed manual Firebird |
Gas | 20 MPG | 29 MPG | 23 MPG | — | $2,022 |
| — · 2.5L 4-cyl · 4-speed automatic Firebird |
Gas | 19 MPG | 27 MPG | 22 MPG | — | $2,114 |
| — · 2.5L 4-cyl · 4-speed manual Firebird |
Gas | 19 MPG | 25 MPG | 21 MPG | — | $2,214 |
| — · 2.8L 6-cyl · 4-speed automatic Firebird |
Gas | 16 MPG | 24 MPG | 19 MPG | — | $2,447 |
| — · 2.8L 6-cyl · 5-speed manual Firebird |
Gas | 16 MPG | 22 MPG | 18 MPG | — | $2,583 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.5L 4-cyl
- Transmission
- 5-speed manual
- Drivetrain
- —
- Passenger volume
- 85 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 386 g/mi
1984 Pontiac Firebird/Trans Am/Formula vs. rivals
Compare the 1984 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: 1984 Pontiac Firebird/Trans Am/Formula Hybrid (17 MPG)
Frequently asked questions
What is the gas mileage of the 1984 Pontiac Firebird/Trans Am/Formula?
Up to 23 MPG combined (20 city / 29 highway); ratings range from 18 to 23 MPG depending on configuration.
What fuel does the 1984 Pontiac Firebird/Trans Am/Formula use?
Regular gasoline.
What is the fuel average in km/L for the 1984 Pontiac Firebird/Trans Am/Formula?
The 1984 Pontiac Firebird/Trans Am/Formula's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.
How much does it cost to fuel the 1984 Pontiac Firebird/Trans Am/Formula per year?
About $2,022 at 15,000 miles a year with $3.10/gal regular gas, or $13.48 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.