
The following table compares the fuel economies of different models of Pontiac G6 cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2010 G6 FFV | Automatic 4-speed | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 2010 G6 FFV | Automatic (S6) | 4 | 26 | 22 | 33 | $2,897 | $3,477 |
| 2010 G6 FFV | Automatic 4-speed | 6 | 23 | 19 | 29 | $3,334 | $4,001 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2007 G6 GT/GTP Convertible | Automatic (S4) | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 2006 G6 GT/GTP Convertible | Automatic (S4) | 6 | 20 | 17 | 25 | $3,776 | $4,531 |
| 2006 G6 GT/GTP Convertible | Automatic (S4) | 6 | 19 | 16 | 24 | $3,984 | $4,781 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2010 G6 | Automatic 4-speed | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 2010 G6 | Automatic (S6) | 4 | 26 | 22 | 33 | $2,897 | $3,477 |
| 2010 G6 | Automatic 4-speed | 6 | 22 | 18 | 29 | $3,455 | $4,146 |
| 2010 G6 | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2010 G6 | Automatic (S4) | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 2009 G6 | Automatic (S6) | 4 | 26 | 22 | 33 | $2,897 | $3,477 |
| 2009 G6 | Automatic 4-speed | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 2009 G6 | Automatic (S4) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2009 G6 | Automatic 4-speed | 6 | 22 | 18 | 29 | $3,455 | $4,146 |
| 2009 G6 | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2009 G6 | Automatic (S4) | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 2009 G6 | Automatic 4-speed | 6 | 23 | 19 | 29 | $3,334 | $4,001 |
| 2008 G6 | Automatic 4-speed | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 2008 G6 | Automatic 4-speed | 6 | 22 | 18 | 29 | $3,455 | $4,146 |
| 2008 G6 | Automatic (S4) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2008 G6 | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2008 G6 | Automatic (S4) | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 2007 G6 | Automatic 4-speed | 4 | 24 | 20 | 30 | $3,187 | $3,825 |
| 2007 G6 | Automatic 4-speed | 6 | 21 | 18 | 28 | $3,497 | $4,196 |
| 2007 G6 | Automatic (S4) | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 2007 G6 | Automatic (S6) | 6 | 21 | 17 | 26 | $3,724 | $4,469 |
| 2007 G6 | Manual 6-speed | 6 | 19 | 16 | 25 | $3,928 | $4,713 |
| 2006 G6 | Automatic 4-speed | 4 | 24 | 21 | 31 | $3,052 | $3,663 |
| 2006 G6 | Automatic 4-speed | 6 | 23 | 20 | 29 | $3,226 | $3,871 |
| 2006 G6 | Automatic (S4) | 6 | 21 | 19 | 26 | $3,469 | $4,162 |
| 2006 G6 | Manual 6-speed | 6 | 19 | 16 | 26 | $3,876 | $4,651 |
| 2006 G6 | Automatic (S4) | 6 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2005 G6 | Automatic 4-speed | 6 | 23 | 20 | 29 | $3,226 | $3,871 |
| 2005 G6 | Automatic (S4) | 6 | 21 | 19 | 26 | $3,469 | $4,162 |
Data source: Fuel Economy USA, Reference.