The 2005 Buick LaCrosse, debuting the first generation of this model, is a front-wheel-drive midsize sedan available in two trims: CX and CXL. Both trims are powered by a 3.8-liter V6 engine producing 200 horsepower paired with a 4-speed automatic transmission. Key features include full power accessories, dual-zone automatic climate control, leather upholstery in the CXL trim, and an OnStar telematics system. Safety features include antilock brakes and available head-protecting curtain side airbags. In terms of infotainment, it comes with an AM/FM radio and a CD player. Notable model-year changes for LaCrosse include a fresh exterior, higher-quality interior materials, and the availability of more features.