- Gas
- Small cars
- MY2004–2006
Pontiac GTO MPG & Fuel Cost by Year
3 model years · 2004–2006
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Pontiac GTO fuel economy at a glance
EPA has rated the Pontiac GTO for 3 model years, 2004 to 2006. Across those years its combined rating runs 16–19 MPG. The latest model year, 2006, has 2 configurations rated 16–18 MPG combined and costing $4,460–$5,020 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2004 is the 2004 GTO 5.7L 8-cyl RWD, at 19 MPG.
Pontiac GTO MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2004-2006 (5th gen) Generation page | ||
| 2006 | 16–18 | $4,460–$5,020 |
| 2005 | 16–18 | $4,460–$5,020 |
| 2004 | 17–19 | $4,230–$4,730 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Pontiac GTO generations
1 generations between 2004 and 2006. Open one for the table of every model year and configuration.
2006 powertrain options
More Pontiac models
Frequently asked questions
What is the Pontiac GTO's gas mileage by year?
EPA combined ratings for the Pontiac GTO run 16–19 MPG across model years 2004 to 2006. The latest year, 2006, is rated 16–18 MPG.
Which Pontiac GTO model year has the best gas mileage?
The 2004 Pontiac GTO GTO 5.7L 8-cyl RWD has the highest combined rating since 2004, at 19 MPG.
How much does a Pontiac GTO cost to fuel per year?
For MY2006, EPA-rated configurations cost $4,460–$5,020 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,460.
Has the Pontiac GTO's fuel economy improved over time?
No. The most efficient configuration moved from 19 MPG in 2004 to 18 MPG in 2006, 1 MPG less.
Which Pontiac GTO model years have the same ratings?
EPA lists identical ratings as the previous year for 2006. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.