For the 2007 model year the model remained Base, GT, and GXP.
Also, the active displacement management capability on the 5.3 L V8 (GXP) was renamed to "Active Fuel Management" from "Displacement on Demand", while the GXP trim includes a 303 hp (226 kW) V8 engine with a firmer suspension, performance tires, heated leather seats, a heads-up display, and 18-inch (460 mm) wheels.
For the 2007 model year the model remained Base, GT, and GXP. Also, the active displacement management capability on the 5.3 L V8 (GXP) was renamed to "Active Fuel Management" from "Displacement on Demand", while the GXP trim includes a 303 hp (226 kW) V8 engine with a firmer suspension, performance tires, heated leather seats, a heads-up display, and 18-inch (460 mm) wheels.
Pontiac Grand Prix