New or Significantly Altered Models

2005 Pontiac G6
All-new model based on GM's global Epsilon platform. The G6 replaces the Grand Am. The only G6 offered at launch is uses a 200hp 3.5L V6 mated to a 4-speed automatic.
2005 Pontiac Montana SV6
New Montana SV6 replaces the Montana in the Pontiac lineup. The SV6 is a mid-sized van with SUV styling traits to broaden its appeal. A 200 hp 3500 V6 provides power. Both FWD and AWD models are offered.

Updated Models

2005 Pontiac Grand Prix
290hp V8-powered GXP model added. GXP package also includes 18 in wheels, upgraded brakes and distinct styling. All Grand Prixs feature as OnStar standard. MP3-capable CD radio. Optional DVD-based navigation system. Optional dual-zone A/C. Optional remote starter.
2005 Pontiac GTO
The GTO gets the 6.0L 400-hp LS2 V8 which adds 50hp and 30lb-ft. A new optional hood features twin functional air scoops. Restyle rear fascia separates the exhaust outlets to opposite sides of the car.
2005 Pontiac Vibe
Restyled front end. Optional StabiliTrak. Optional leather seating.

Mostly Unchanged

2005 Pontiac Aztek
3 new colors.
2005 Pontiac Bonneville
The SLE model picks up the tires and appearance of the GXP model but retains the 205-hp V6 of the SE model.
2005 Pontiac Grand Am Coupe
The Grand Am remains 2-door GT guise only as Pontiac ramps on the all-new G6 sedan.
2005 Pontiac Grand Am Sedan
The Grand Am sedan is available for fleet sales only as Pontiac ramps up on the all-new G6 sedan.
2005 Pontiac Montana
The Montana will be available for a short time in long wheelbase version only as Pontiac switches over to the new Montana SV6.
2005 Pontiac Sunfire
New sport appearance package featuring 16-inch chrome wheels, 205/55R16 tires, dual exhaust outlets, and custom sills. A special value package for $11,500 remains.