New or Significantly Altered Models

2005 Buick LaCrosse
New midsize replaces both the Regal and Century. Related to the Grand Prix, Buick paid significant attention on noise isolation. Two engines are available. A 200hp V6 and a 240 all-aluminum V6 with variable valve timing.
2005 Buick Terraza
New Terraza adds a third utility vehicle to Buick's lineup. Terrazza is a mid-sized van with SUV styling traits to broaden it's appeal. A 200 hp 3500 V6 provides power. Both FWD and AWD models are offered.

Mostly Unchanged

2005 Buick Century
Special Edition package is offered commemorating the final model year for the Century.
2005 Buick LeSabre
Standard OnStar. Three new exterior colors.
2005 Buick Park Avenue
The fender portholes are standard on all Park Avenues. This is the final model year for the Park Avenue. Buick will introduce a new premium sedan in Fall of 2005. The final 3000 models will be badged as Special Edition.
2005 Buick Rainier
The 290hp Vortec 5300 is now available on RWD and AWD models. Minor interior trim piece upgrades.
2005 Buick Rendezvous
The 240hp Ultra package is now available with FWD. In addition, the 3.6L VVT engine is now available in the FWD CXL model.


2004 Buick Regal