- Newest year: 2006
- Gas
- Small cars
- Same as 2005
2004-2006 Pontiac GTO MPG & Fuel Cost
3 model years · 16–19 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 1 of 10 small car configurations, MY2006. Ranked against all rated configurations, not sales-weighted.
2004-2006 Pontiac GTO at a glance
The 2004-2006 Pontiac GTO covers 3 model years in the EPA database (6 configurations in all), rated 16–19 MPG combined. The newest model year, 2006, costs about $4,460 a year to fuel for its most efficient version, the GTO 6.0L 8-cyl RWD (18 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2005; 2006 repeat the values of the year before. The best combined rating in the generation, 19 MPG, was reached in 2004.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2004-2006 Pontiac GTO by model year
What the 2006 GTO 6.0L 8-cyl RWD costs to drive
Per month
$372
$4,460 a year ÷ 12
Per 25 miles
$7.43
Per 100 miles
$29.73
Five years
$22,300
5 × the yearly cost, prices held at today's level
vs the small car median
$810more a year
Class median $3,650 a year, MY2006
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2006 Pontiac GTO MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2006 Pontiac GTO as for the 2005 model, so the configurations and costs are the ones in the 2005 section above.See 2005
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| GTO 6.0L 8-cyl RWD Manual 6-spd (Most efficient) | 6.0L 8-cyl | RWD | 15 | 23 | 18 | $4,460 |
| GTO 6.0L 8-cyl RWD Automatic 4-spd | 6.0L 8-cyl | RWD | 14 | 19 | 16 | $5,020 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2005 Pontiac GTO MPG
16–18 MPG · $4,460–$5,020/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2004: The most efficient configuration moves from 19 to 18 MPG, down 1. Its annual cost goes from $4,230 to $4,460, $230 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| GTO 6.0L 8-cyl RWD Manual 6-spd (Most efficient) | 6.0L 8-cyl | RWD | 15 | 23 | 18 | $4,460 |
| GTO 6.0L 8-cyl RWD Automatic 4-spd | 6.0L 8-cyl | RWD | 14 | 19 | 16 | $5,020 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2004 Pontiac GTO MPG
17–19 MPG · $4,230–$4,730/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| GTO 5.7L 8-cyl RWD Manual 6-spd (Most efficient) | 5.7L 8-cyl | RWD | 16 | 26 | 19 | $4,230 |
| GTO 5.7L 8-cyl RWD Automatic 4-spd | 5.7L 8-cyl | RWD | 15 | 20 | 17 | $4,730 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the GTO 6.0L 8-cyl RWD: $5,320 in California and $3,870 in Texas, a $1,450 difference.
- California $5,320
- Washington $5,010
- New York $4,410
- Florida $4,080
- Texas $3,870
Similar cars
Closest combined MPG among MY2006 small car models.
Generations
- 2004-2006 (5th gen)
Frequently asked questions
What gas mileage does the 2004-2006 Pontiac GTO get?
EPA rates the 2004-2006 Pontiac GTO at 16–19 MPG combined across 6 configurations and 3 model years. The most efficient version, the 2004 GTO 5.7L 8-cyl RWD, is rated 19 MPG (16 city, 26 highway).
Which years had the best MPG in the 2004-2006 Pontiac GTO?
The GTO 5.7L 8-cyl RWD reached the generation's best combined rating, 19 MPG, in 2004. The lowest top rating, 18 MPG, was in 2005 and 2006.
Did EPA ratings change during the 2004-2006 Pontiac GTO?
Yes. Ratings changed in 2005. In 2006 the values repeat the year before.
How much does it cost to fuel a 2006 Pontiac GTO per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the GTO 6.0L 8-cyl RWD costs about $4,460 a year. Across all 2 configurations the cost runs $4,460–$5,020 a year. That is a $560 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2006 Pontiac GTO 100 miles?
About $29.73 per 100 miles for the GTO 6.0L 8-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $29.73 and $33.47 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2006 Pontiac GTO more efficient in the city or on the highway?
The GTO 6.0L 8-cyl RWD is rated 15 city and 23 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2006 Pontiac GTO compare with other small car configurations?
The GTO 6.0L 8-cyl RWD costs about $4,460 a year to fuel, $810 more than the class median of $3,650, and less than 1 of 10 small car configurations. The comparison covers all 286 rated small car configurations for MY2006, not weighted by sales.
Is the 2006 Pontiac GTO different from the 2005 model?
No. EPA lists the same ratings for 2005 and 2006: 2 configurations rated 16–18 MPG combined. See the 2005 Pontiac GTO for that year.