| Crew Cab |
| Denali |
| Alternator, 145 amps |
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| Battery, heavy duty, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power |
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| Brakes, 4-wheel antilock, 4-wheel disc |
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| Cooling, auxiliary external transmission oil cooler, heavy duty air-to-oil |
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| Cooling, external engine oil cooler, heavy duty air-to-oil, integral to driver side of radiator tank |
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| Differential, heavy duty automatic locking rear |
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| Engine, Vortec 6.2L V8 SFI E85-compatible, FlexFuel, capable of running on unleaded or up to
85% ethanol |
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| Engine block heater |
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| Exhaust, aluminized stainless-steel muffler and tailpipe |
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| Frame, fully-boxed, hydroformed front section |
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| Rear axle, 3.42 ratio |
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| Skid Plate Package, includes front underbody shield starting behind front bumper and running to
first cross-member, protecting front underbody, oil pan, differential case and transfer case,
frame-mounted shields |
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| StabiliTrak, stability control system with Proactive Roll Avoidance |
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| Steering, power |
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| Suspension, front, coil-over-shock with stabilizer bar |
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| Suspension, rear, rear 2-stage multi-leaf springs, semi-elliptic |
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| Suspension package, high performance, includes 36-mm front stabilizer bar |
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| Trailering equipment, heavy-duty, includes trailering hitch platform, 7-wire harness (harness
includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery and
ground) with independent fused trailering circuits mated to a 7-way sealed connector, instrument
panel jumper wiring harness for electric trailer brake controller and 1-way sealed connector for
center high-mounted stop/brake lamp |
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| Transfer case, AWD, electronic automatic system (AWD models only) |
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| Transmission, 6-speed automatic, heavy duty, electronically controlled with overdrive and tow/haul mode |
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