The basic 2006 Buick Lacrosse CX model carries an MSRP of $22,490 and features a 3.8L V6 engine, QuietTuning, 4-wheel independent premium ride suspension, enhanced powertrain traction control, 4-wheel anti-lock disc brakes, powersteering and 4-speed automatic transmission with overdrive. Safety features include air bags, side impact head curtains, OnStar with one year Safe & Sound plan and a LATCH system for all child safety seats. Interior features include air conditioning, cloth seats, 6-way power driver seat, AM/FM radio with CD player, Tilt-Wheel, power windows and remote keyless entry.

The upgraded version of the 2006 Buick Lacrosse, which is the CXL model, carries an MSRP of $24,990. The features in this automobile are much the same as the basic CX model, but with leather-appointed seats and steering wheel, along with improved climate control, etc.

The Lacrosse CXS, however, is the top of the line when it comes to the 2006 Buick Lacrosse. With an MSRP of $27,990, the CXS model provides all of the features of the CX and CXL automobiles, but with several bonuses. Some of the increased performance features include a 3.6L V6 engine with 240 horsepower, sport-tuned suspension, full range powertrain and brake modulated traction control. Upgraded interior features include rear split folding seats with armrest and dual cupholders.