The GMC Yukon SLE 2WD ($34,790) comes with a 295-hp 4.8-liter V8 and a four-speed automatic transmission. The SLE 4WD ($38,590) comes with a 320-hp 5.3-liter V8 with Active Fuel Management and the four-speed automatic. Also available is the 5.3-liter V8 with AFM and E85 Flex-Fuel capability.

SLE models come standard with cloth upholstery; dual-zone manual climate control front and rear; six-way power driver's seat; leather-wrapped, tilt steering wheel with audio controls; AM/FM/CD/MP3, eight-speaker stereo with XM satellite radio; OnStar assistance with one year subscription; driver information center; power windows, cruise control, heated and foldable power mirrors; auto-dimming rearview mirror; 40/20/40 split front bench seat with manual recliners; 60/40 split folding second-row bench seat; automatic headlights; roof rails; side steps; locking rear differential; three power outlets; P265/70R17 all-season tires on bright aluminum wheels. A 3SB package for SLE ($1,965) and SLE 4WD ($975) adds the Flex-Fuel 5.3 V8 (2WD), front bucket seats, a power front passenger seat, a front center console, rear radio and climate controls, and fog lights. A Convenience Package ($765) has rear-obstacle detection, dual-zone automatic climate control, power-adjustable pedals and remote engine starting.

SLT 2WD ($38,990) and 4WD ($41,800) come standard with the 5.3-liter V8, but the 4WD model gets the Flex-Fuel version. SLT adds leather upholstery, front bucket seats, front center console, dual-zone automatic climate control with rear controls, six-disc CD changer, rear seat audio controls and outputs, universal garage door opener, fog lights, remote engine starting, front tow hooks. A 4SB option package for SLT ($4,100) adds heated, 12-way adjustable front seats with lumbar adjustment; power adjustable pedals; memory for the driver's seat and mirrors; a third-row two-passenger split folding bench seat; power-folding exterior mirrors with integrated turn signals, driver's side auto-dimming, and reverse tilting; and a roof rack.

Options include navigation ($2,250), rear-seat DVD entertainment ($1,295), sunroof ($995), rearview camera ($250) when the navigation system is ordered. The Sun, Entertainment and Destination package ($3790) includes a navigation system, rearview camera, rear DVD entertainment, and a sunroof. A Z71 Off-Road Suspension package for the 4WD SLT ($230) includes a heavy-duty air cleaner, skid plates, off-road suspension, 265/70R17 on/off-road tires and unique alloy wheels. The third-row seat comes in two forms: two-passenger ($360 SLE, $760 SLT) and three-passenger ($460 SLE, $860 SLT).

Also available: power liftgate ($400), roof rack cross bars ($45), power release for the second row seat ($425), heated second-row seats ($200), P275/55R20 tires on polished alloy wheels ($1,795), universal garage door opener ($105), nine-speaker Bose sound system ($495), six-disc CD changer ($300), power retractable running boards ($1,095) and remote starter ($175). Finally, by way of cold weather, towing and off-road options, but again only on some models, buyers can order one of two lower rear axle ratios ($100), an engine block heater ($75), a heavy duty transmission oil cooler ($95), a windshield washer fluid heater ($85), off-road skid plates ($150), and Autoride suspension with variable shocks and air-assisted rear load leveling ($1,120).

Denali ($48,250) has a 380-hp 6.2-liter V8 mated to a six-speed automatic transmission with a manual shift feature. It comes fully loaded, with a wood and leather-