Fuel Economy of Pontiac G8 Cars
The following table compares the fuel economies of different models of Pontiac G8 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.
Table 1. Fuel Economy of Pontiac G8
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2009 G8 | Automatic (S5) | 6 | 20 | 17 | 25 | $3,776 | $4,531 |
| 2009 G8 | Automatic (S6) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2009 G8 | Automatic (S6) | 8 | 15 | 13 | 20 | $4,860 | $5,832 |
| 2009 G8 | Manual 6-speed | 8 | 15 | 13 | 20 | $4,860 | $5,832 |
| 2008 G8 | Automatic (S6) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2008 G8 | Automatic (S5) | 6 | 20 | 17 | 25 | $3,776 | $4,531 |
Back to Fuel economy of Pontiac cars.Data source: Fuel Economy USA, Reference.