petrol
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12 photos from Wikimedia Commons · credits & licences
- 1. Pontiac G8 V6 -- 02-04-2012 2: IFCAR· Public domain
- 2. 2008PontiacG8-002: Rich Niewiroski Jr.· CC BY 2.5
- 3. 2009 Pontiac G8 GT--DC: IFCAR· Public domain
- 4. 2009 Pontiac G8 GT sedan 01: Srcrowl at English Wikipedia· CC BY 3.0
- 5. 2009 Pontiac G8 ST pick up (5223047188): sv1ambo· CC BY 2.0
- 6. Pontiac G8 concept car: Dima Sergiyenko; Please attribute this image as the work of " DiscoverWithDima ."· CC BY-SA 4.0
- 7. Prototype Pontiac G8 for LAPD: Tom Worthington from Canberra, Australia· CC BY-SA 2.0
- 8. '09 Pontiac G8: Bull-Doser· Public domain
- 9. 2008-2009 Pontiac G8 sedan 01: Jason Lawrence· CC BY 2.0
- 10. 2009 Pontiac G8 4-Door Sedan, 15th Annual All Pontiac Car Show 2026-09-20: Xnatedawgx· CC BY-SA 4.0
- 11. 2009 Pontiac G8, front right, 4-24-2021: Cutlass· CC0
- 12. 2009 Pontiac G8, rear right, 4-24-2021: Cutlass· CC0
what the fuel types mean
- petrol Cheapest to buy, simple, but fuel is expensive in NL.
spec sheet
- built
- 2008–2009
- body
- —
- engine
- 3.6 L–6.2 L
- cylinders
- 6–8
- turbo
- no
- power
- —
- drive
- rear-wheel drive
- gearbox
- automatic, manual
- seats
- —
- doors
- —
- weight
- —
- fuel use
- —
- CO₂
- —
- US rating
- 15–20 mpg
- EV range
- —
- US size class
- Large Cars
- avg new price NL
- —
Ranges cover every version ever sold. Blank means the sources don't say.
🇺🇸 US versions (6)
Every version the EPA tested, model years 2008–2009. mpg is combined; L/100 km converted.
| year | version | engine | gearbox | drive | fuel | mpg | L/100 |
|---|---|---|---|---|---|---|---|
| 2009 | G8 | 3.6 L 6 cyl | Automatic (S5) | RWD | Regular | 20 | 11.8 |
| 2009 | G8 | 6.0 L 8 cyl | Automatic (S6) | RWD | Regular | 18 | 13.1 |
| 2009 | G8 | 6.2 L 8 cyl | Manual 6-spd | RWD | Regular | 15 | 15.7 |
| 2009 | G8 | 6.2 L 8 cyl | Automatic (S6) | RWD | Regular | 15 | 15.7 |
| 2008 | G8 | 3.6 L 6 cyl | Automatic (S5) | RWD | Regular | 20 | 11.8 |
| 2008 | G8 | 6.0 L 8 cyl | Automatic (S6) | RWD | Premium | 18 | 13.1 |
Sources: fueleconomy.gov.Updated 2026-10-24.