MPG AtlasPontiac G8 MPG
EPA fuel economy for 6 Pontiac G8 trims sold from 2008 to 2009. Best ever: 20 MPG (2009 G8). Latest model year 2009: 15 to 20 MPG combined across 4 trims.
Pontiac G8 fuel cost calculator
Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.
At $4.16 a gallon for regular and 15,000 miles a year, the cheapest 2009 Pontiac G8 to fuel is the G8, 3.6 L, 6 cyl (20 MPG) at $3,120 a year. The G8, 6.2 L, 8 cyl (15 MPG) costs $4,160, so the thriftier trim saves $1,040 a year and $5,200 over five years.
| 2009 trim | Engine | Transmission | Drive | Fuel | Comb | Cost/yr | vs cheapest |
|---|---|---|---|---|---|---|---|
| G8 | 3.6 L, 6 cyl | Auto (S5) | RWD | Regular | 20 | $3,120 | cheapest |
| G8 | 6.0 L, 8 cyl | Auto (S6) | RWD | Regular | 18 | $3,470 | +$350 |
| G8 | 6.2 L, 8 cyl | Auto (S6) | RWD | Regular | 15 | $4,160 | +$1,040 |
| G8 | 6.2 L, 8 cyl | Manual 6-spd | RWD | Regular | 15 | $4,160 | +$1,040 |
Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.
Pontiac G8 MPG by year
| Year | Best combined | City | Hwy | Best trim that year | Trims |
|---|---|---|---|---|---|
| 2009 | 20 | 17 | 25 | G8, 3.6 L, 6 cyl, Auto (S5) | 4 |
| 2008 | 20 | 17 | 25 | G8, 3.6 L, 6 cyl, Auto (S5) | 2 |
Every Pontiac G8 trim
| Year | Trim | Engine | Transmission | Drive | Fuel | City | Hwy | Comb | CO2 g/mi | Fuel cost/yr |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | G8 | 3.6 L, 6 cyl | Auto (S5) | RWD | Regular | 17 | 25 | 20 | 444 | $3,120 |
| 2009 | G8 | 6.0 L, 8 cyl | Auto (S6) | RWD | Regular | 15 | 24 | 18 | 494 | $3,470 |
| 2009 | G8 | 6.2 L, 8 cyl | Auto (S6) | RWD | Regular | 13 | 20 | 15 | 592 | $4,160 |
| 2009 | G8 | 6.2 L, 8 cyl | Manual 6-spd | RWD | Regular | 13 | 20 | 15 | 592 | $4,160 |
| 2008 | G8 | 3.6 L, 6 cyl | Auto (S5) | RWD | Regular | 17 | 25 | 20 | 444 | $3,120 |
| 2008 | G8 | 6.0 L, 8 cyl | Auto (S6) | RWD | Premium | 15 | 24 | 18 | 494 | $4,300 |
CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).
Compare with other 2009 Large Cars
| Vehicle | Combined | City | Hwy |
|---|---|---|---|
| 2009 Honda Accord | 25 | 22 | 31 |
| 2009 Hyundai Sonata | 25 | 22 | 32 |
| 2009 Chevrolet Impala | 23 | 19 | 29 |
| 2009 Toyota Avalon | 23 | 19 | 28 |
| 2009 Buick Lucerne | 21 | 17 | 26 |
| 2009 Chrysler 300/SRT-8 | 21 | 18 | 26 |
Questions people ask
What is the best MPG for a Pontiac G8?
The most efficient Pontiac G8 the EPA has rated is the 2009 G8 at 20 MPG combined (17 city, 25 highway).
What MPG does the 2009 Pontiac G8 get?
2009 Pontiac G8 trims range from 15 to 20 MPG combined, depending on engine, transmission and drivetrain.
Which Pontiac G8 has the worst fuel economy?
The 2009 G8 is the lowest rated at 15 MPG combined.
How much does it cost to fuel a Pontiac G8 for a year?
At $4.16 a gallon for regular and 15,000 miles a year, the cheapest 2009 Pontiac G8 to fuel is the G8, 3.6 L, 6 cyl (20 MPG) at $3,120 a year. The G8, 6.2 L, 8 cyl (15 MPG) costs $4,160, so the thriftier trim saves $1,040 a year and $5,200 over five years.
More from Pontiac: every Pontiac model. Fuel types on this model: Premium, Regular. EPA classes: Large Cars.