1999 Pontiac Firebird/Trans Am/Formula Specs, MPG & Trims
EPA fuel-economy data and specifications for the 1999 Pontiac Firebird/Trans Am/Formula (18–21 MPG combined) across 4 listed configurations.
Overview
- Body class
- Subcompact Cars
- Drive
- Rear-Wheel Drive
- Transmissions
- Automatic 4-spd, Manual 5-spd, Manual 6-spd
- Engine
- 6-cyl, 3.8 L; 8-cyl, 5.7 L
- Fuel type
- Regular Gasoline, Premium Gasoline
- Combined MPG
- 18–21 MPG
- Annual fuel cost
- $3,200–$4,550
- 5-year fuel cost
- −$10,750 to −$4,000 more than average
- Configurations
- 4
MPG & fuel economy
City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.
| Powertrain | City | Highway | Combined | Annual fuel cost | CO2 |
|---|---|---|---|---|---|
| 8-cyl 5.7 L · Premium Gasoline · Rear-Wheel Drive | 16–17 | 22–26 | 18–20 | $4,100–$4,550 | — |
| 6-cyl 3.8 L · Regular Gasoline · Rear-Wheel Drive | 17 | 26–28 | 20–21 | $3,200–$3,350 | — |
Configurations & engine comparison
Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.
| Configuration / engine | Drive | Transmission | Cyl. | Displ. (L) | Fuel type | City | Hwy | Comb. | Annual cost | 5-YR COST | FE | GHG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Firebird/Trans Am | Rear-Wheel Drive | Automatic 4-spd | 6 | 3.8 | Regular Gasoline | 17 | 26 | 20 | $3,350 | −$4,750 | — | — |
| Firebird/Trans Am | Rear-Wheel Drive | Automatic 4-spd | 8 | 5.7 | Premium Gasoline | 16 | 22 | 18 | $4,550 | −$10,750 | — | — |
| Firebird/Trans Am | Rear-Wheel Drive | Manual 5-spd | 6 | 3.8 | Regular Gasoline | 17 | 28 | 21 | $3,200 | −$4,000 | — | — |
| Firebird/Trans Am | Rear-Wheel Drive | Manual 6-spd | 8 | 5.7 | Premium Gasoline | 17 | 26 | 20 | $4,100 | −$8,500 | — | — |
Frequently asked questions
What is the combined MPG of the 1999 Pontiac Firebird/Trans Am/Formula?
According to EPA data, the 1999 Pontiac Firebird/Trans Am/Formula is rated at 18–21 MPG combined for its conventional-fuel configurations.
How many cylinders does the 1999 Pontiac Firebird/Trans Am/Formula have?
The EPA data lists 6 and 8 cylinders across its configurations.
What fuel type does the 1999 Pontiac Firebird/Trans Am/Formula use?
It is offered with Regular Gasoline and Premium Gasoline.
What is the annual fuel cost of the 1999 Pontiac Firebird/Trans Am/Formula?
The EPA estimates annual fuel costs ranging from $3,200 to $4,550.
How much will the 1999 Pontiac Firebird/Trans Am/Formula cost in fuel over 5 years?
According to EPA estimates, the 1999 Pontiac Firebird/Trans Am/Formula 5-year fuel-cost difference is −$10,750 to −$4,000 relative to the average new vehicle (negative values mean the vehicle costs more than average).