1989 Pontiac Firebird/Trans Am/Formula Specs, MPG & Trims
EPA fuel-economy data and specifications for the 1989 Pontiac Firebird/Trans Am/Formula (17–20 MPG combined) across 8 listed configurations.
Overview
- Body class
- Subcompact Cars
- Drive
- Rear-Wheel Drive
- Engine
- 6-cyl, 3.8 L; 6-cyl, 2.8 L; 8-cyl, 5.0 L; 8-cyl, 5.7 L
- Fuel type
- Regular Gasoline, Premium Gasoline
- Combined MPG
- 17–20 MPG
- Annual fuel cost
- $3,350–$4,550
- Configurations
- 8
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 5.0 L · Premium Gasoline · Rear-Wheel Drive | 15 | 23–24 | 18 | $4,550 | — |
| 8-cyl 5.7 L · Premium Gasoline · Rear-Wheel Drive | 15 | 23 | 18 | $4,550 | — |
| 6-cyl 2.8 L · Regular Gasoline · Rear-Wheel Drive | 16–17 | 24–25 | 19–20 | $3,350–$3,550 | — |
| 6-cyl 3.8 L · Regular Gasoline · Rear-Wheel Drive | 15 | 22 | 17 | $3,950 | — |
| 8-cyl 5.0 L · Regular Gasoline · Rear-Wheel Drive | 15 | 23–24 | 18 | $3,700 | — |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 20th Anniversary Trans Am | Rear-Wheel Drive | Automatic 4-spd | 6 | 3.8 | Regular Gasoline | 15 | 22 | 17 | $3,950 |
| Firebird/Trans Am | Rear-Wheel Drive | Automatic 4-spd | 6 | 2.8 | Regular Gasoline | 17 | 25 | 20 | $3,350 |
| Firebird/Trans Am | Rear-Wheel Drive | Automatic 4-spd | 8 | 5.0 | Regular Gasoline | 15 | 24 | 18 | $3,700 |
| Firebird/Trans Am | Rear-Wheel Drive | Automatic 4-spd | 8 | 5.0 | Premium Gasoline | 15 | 23 | 18 | $4,550 |
| Firebird/Trans Am | Rear-Wheel Drive | Automatic 4-spd | 8 | 5.7 | Premium Gasoline | 15 | 23 | 18 | $4,550 |
| Firebird/Trans Am | Rear-Wheel Drive | Manual 5-spd | 6 | 2.8 | Regular Gasoline | 16 | 24 | 19 | $3,550 |
| Firebird/Trans Am | Rear-Wheel Drive | Manual 5-spd | 8 | 5.0 | Regular Gasoline | 15 | 23 | 18 | $3,700 |
| Firebird/Trans Am | Rear-Wheel Drive | Manual 5-spd | 8 | 5.0 | Premium Gasoline | 15 | 24 | 18 | $4,550 |
Frequently asked questions
What is the combined MPG of the 1989 Pontiac Firebird/Trans Am/Formula?
According to EPA data, the 1989 Pontiac Firebird/Trans Am/Formula is rated at 17–20 MPG combined for its conventional-fuel configurations.
How many cylinders does the 1989 Pontiac Firebird/Trans Am/Formula have?
The EPA data lists 6 and 8 cylinders across its configurations.
What fuel type does the 1989 Pontiac Firebird/Trans Am/Formula use?
It is offered with Regular Gasoline and Premium Gasoline.
What is the annual fuel cost of the 1989 Pontiac Firebird/Trans Am/Formula?
The EPA estimates annual fuel costs ranging from $3,350 to $4,550.