A Preferred Equipment Group ($1,835) adds bucket seats with upgraded cloth upholstery, a floor console, a Bose nine-speaker audio system with rear controls and headphone jacks and, on 4WD models, a 3.73:1 axle ratio (which improves acceleration and towing at the expense of fuel economy, relative to the standard 3.23:1 ratio).
The LT Group ($6,770) adds the 5.3-liter Vortec 5300 V8; 17-inch aluminum wheels; leather seating surfaces; six-way power front bucket seats with heat and memory; floor console; power adjustable pedals; a third-row, 50/50 split bench seat; tri-zone automatic climate control; the Bose sound system plus XM satellite radio: steering-wheel-mounted audio and driver-information controls; power heated outside mirrors with turn signals and ground illumination: a Homelink universal transmitter for opening your garage door; a trailer hitch platform and seven-lead wiring connector; external transmission oil cooler; various cargo-compartment accessories.
Z71 ($5,315) is a premium off-road package available this year on 2WD as well as 4WD models that also includes the 5.3-liter V8. Z71 includes an off-road suspension with gas shocks and off-road jounce bumpers; heavy-duty locking rear differential; 3.73 rear axle ratio; skid plates for the oil pan, differentials, and transfer case; high-capacity air cleaner; removable front air dam; tubular assist steps; painted front bumper; panted rear step bumper with pad; color-keyed grille and door handles; round fog lamps; roof rack with cross rails; dark gray lower rocker moldings; wheel flares; trailer package; and P265/70R17 on/off-road tires on 17-inch cast and machined aluminum wheels. Z71 also includes many of the same comfort and convenience items as the LT: the Driver Information Center; Bose nine-speaker stereo with rear audio controls, dual headphone jacks, and steering-wheel controls; power heated mirrors with turn signals and ground illumination; leather seating surfaces; power adjustable pedals; and six-way power front bucket seats. Next Page