G8
Rear-Wheel Drive · Automatic (S6) · Large Cars
- MPG combined
- 18
- City / highway
- 15 / 24
- Engine
- 6.0L 8-cyl
- Fuel
- Premium
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 494 g/mi
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Pontiac G8
The Pontiac G8 has been sold in the US from 2008 to 2009, in 2 model years covered here. The 2009 line-up has 4 trims with 15–20 MPG combined.
Model years
2008 G8 trims (2)
G8
Rear-Wheel Drive · Automatic (S5) · Large Cars
- MPG combined
- 20
- City / highway
- 17 / 25
- Engine
- 3.6L 6-cyl
- Fuel
- Regular
- Annual fuel cost
- $3,350
- Tailpipe CO₂
- 444 g/mi
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.