Pontiac G8 Specs, Engines & Dimensions (2007–2009) — First Generation
The first-generation Pontiac G8 brought rear-wheel-drive sedan character to the brand, pairing roomy four-door practicality with genuinely muscular V8 performance in a package aimed squarely at enthusiastic everyday drivers.
The headline Pontiac G8 engine is a 6.2-litre gasoline V8 driving the rear wheels, offered here as the 6.2 AT with an automatic and the 6.2 MT with a manual. The automatic suits relaxed commuting, while the manual gives keener drivers direct control over this powertrain.