TheCarConnection.com notes that the 2009 Buick LaCrosse includes a fairly good, if not lavish, number of standard and optional features.
Consumer Guide reports three Buick LaCrosse trim levels: CX, CXL, and Super. Cars.com reports that standard features across all trims "include XM Satellite Radio, dual-zone automatic air conditioning and remote start." Consumer Guide lists additional amenities on this year's Buick LaCrosse: "interior air filter, OnStar assistance system w/one year service, tilt/telescopic leather-wrapped steering wheel w/radio controls, cruise control, cloth upholstery, front bucket seats, 6-way power driver seat, center console, power mirrors, power windows, power door locks, remote keyless entry, ...AM/FM/CD player...tachometer, intermittent wipers, illuminated visor mirrors, rear defogger, automatic headlights, floormats, Theft-deterrent system, 225/60R16 tires, [and] wheel covers."
In terms of what differentiates the trims, Edmunds reports that moving up to the "more upscale LaCrosse CXL" gives buyers "alloy wheels, leather upholstery, wood-grain trim, heated front seats and a driver's power lumbar adjustment." Popular Mechanic notes that on the Super trim, "Eighteen-inch wheels with 50 aspect ratio tires are standard," while Edmunds adds that the trim also has "V8 power...a further upgraded suspension, larger brakes and leather seating with unique woven inserts."
Kelley Blue Book mentions that Buick LaCrosse "options vary by trim and include a power sunroof, six-way power passenger seat, heated front seats, MP3 audio, rear spoiler and StabiliTrak stability control." According to Consumer Guide, some of these options for the 2009 Buick LaCrosse include: "Rear-obstacle-detection system, heated power mirrors, 6-way power passenger seat, automatic day/night rearview mirror, universal garage door opener, [and] rear map lights." Cars.com also notes that the Buick LaCrosse "top-of-the-line Super gets a silver-colored center stack and unique gauges."
Edmunds does point out that "popular high-tech features like a navigation system are not" available.