1989 Pontiac 20th Anniversary Trans AmFuel Economy & MPG Ratings
Gasoline Subcompact CarsRear-Wheel Drive
City
15
MPG
Highway
22
MPG
Combined
17
MPG
Real-World MPG
Based on 1 owner report via EPA fueleconomy.gov
26.0MPG average+52.9% vs EPA label
EPA combined: 17 MPG · Owner reported avg: 26.0 MPG
Driving mix: City 10% / Highway 90%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 26.0 real world MPG based on 1 owner report. EPA combined rating is 17 MPG.
Trim Comparison
Automatic 4-spd
Regular
City
15
Hwy
22
Comb
17
Fuel cost: $3,950/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 15 | 22 | 17 | $3,950 |
Annual Fuel Cost
$3,950
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-7,750
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 523 g/mile
- Annual Petroleum Consumption
- 17.5 barrels
Specifications
- Engine
- 3.8L 6-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- RWD
- Body Style
- Sedan
- GVWR
- Class 1 (≤6,000 lbs)
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 3.8L, 6-cylinder
- Induction Type
- Multi-Point Fuel Injection
- Fuel Type
- Regular Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$3,962/yr
California
$5.957/gal$5,256/yr
Texas
$3.888/gal$3,431/yr
Florida
$4.136/gal$3,649/yr
New York
$4.522/gal$3,990/yr
Ohio
$4.510/gal$3,979/yr
Washington
$5.591/gal$4,933/yr
Colorado
$4.618/gal$4,075/yr
Minnesota
$4.344/gal$3,833/yr
Massachusetts
$4.448/gal$3,925/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $3,962/yr | — |
| California | $5.957/gal | $5,256/yrHIGHEST | +$1,294 |
| Texas | $3.888/gal | $3,431/yrLOWEST | $-531 |
| Florida | $4.136/gal | $3,649/yr | $-313 |
| New York | $4.522/gal | $3,990/yr | +$28 |
| Ohio | $4.510/gal | $3,979/yr | +$17 |
| Washington | $5.591/gal | $4,933/yr | +$971 |
| Colorado | $4.618/gal | $4,075/yr | +$113 |
| Minnesota | $4.344/gal | $3,833/yr | $-129 |
| Massachusetts | $4.448/gal | $3,925/yr | $-37 |
Calculated at 15,000 miles/year (EPA standard assumption) using 17 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Pontiac 20th Anniversary Trans Am MPG History
See how this model's fuel economy changed by year