1985 Pontiac Firefly MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1985 Pontiac Firefly.
The 1985 Pontiac Firefly has 2 model options: Automatic 3-spd 3-cyl, 1.0 L and Manual 5-spd 3-cyl, 1.0 L.
The 1985 Pontiac Firefly Automatic 3-spd 3-cyl, 1.0 L runs on regular gasoline and is in the Minicompact Cars car class.
The 1985 Pontiac Firefly Manual 5-spd 3-cyl, 1.0 L runs on regular gasoline and is in the Minicompact Cars car class.
🛣 How Many Miles per Gallon (MPG) Does a 1985 Pontiac Firefly Get?
Across all models, the combined average MPG for the 1985 Pontiac Firefly is 39 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic 3-spd 3-cyl, 1.0 L | 36 | 34 | 39 |
| Manual 5-spd 3-cyl, 1.0 L | 42 | 39 | 47 |
💵 What is the Average Yearly Fuel Cost for a 1985 Pontiac Firefly?
The average fuel costs for all models of the 1985 Pontiac Firefly is $1,625.
The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
Comparing a 1985 Pontiac Firefly to an average vehicle over 5 years, you will save $3,375 on fuel.
The table below shows the fuel costs and 5-year save/spend for each model option:
| Model Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Automatic 3-spd 3-cyl, 1.0 L | $1,750 | save $2,750 |
| Manual 5-spd 3-cyl, 1.0 L | $1,500 | save $4,000 |
🛢 How Many Barrels of Petroleum Does a 1985 Pontiac Firefly Consume?
Across all models, the average number barrels of petroleum that the 1985 Pontiac Firefly will consume in one year is 8 barrels.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
| Model Option | Barrels |
|---|---|
| Automatic 3-spd 3-cyl, 1.0 L | 8 |
| Manual 5-spd 3-cyl, 1.0 L | 7 |
💨 How Many Grams of CO2 Does a 1985 Pontiac Firefly Emit?
The 1985 Pontiac Firefly will emit an average of about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the 1985 Pontiac Firefly.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 1985 Pontiac Firefly model options.
Automatic 3-spd 3-cyl, 1.0 L
The table below contains all of the details we have for the 1985 Pontiac Firefly Automatic 3-spd 3-cyl, 1.0 L:
| City MPG | 34 |
|---|---|
| Highway MPG | 39 |
| Combined MPG | 36 |
| Save/Spend vs Average Car | Save $2,750 |
| Fuel Cost | $1,750 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 8 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Front-Wheel Drive |
| Cylinders | 3 |
| Displacement | 1 |
| Transmission | Automatic 3-spd |
| Vehicle Class | Minicompact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Manual 5-spd 3-cyl, 1.0 L
The table below contains all of the details we have for the 1985 Pontiac Firefly Manual 5-spd 3-cyl, 1.0 L:
| City MPG | 39 |
|---|---|
| Highway MPG | 47 |
| Combined MPG | 42 |
| Save/Spend vs Average Car | Save $4,000 |
| Fuel Cost | $1,500 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 7 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Front-Wheel Drive |
| Cylinders | 3 |
| Displacement | 1 |
| Transmission | Manual 5-spd |
| Vehicle Class | Minicompact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/pontiac/firefly/1985">1985 Pontiac Firefly MPG and Fuel Economy</a>
"1985 Pontiac Firefly MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/pontiac/firefly/1985.
"1985 Pontiac Firefly MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/pontiac/firefly/1985. Accessed January 3, 2026.
1985 Pontiac Firefly MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/pontiac/firefly/1985.