18" 6 3 20" 6 6 20" 6 4 20" 6 4 20" polished aluminum wheels
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22" 6 2 22" 7 5 22" Black wheels with selective machining 4 22" Multi 22" Multi 1 22" Multi 22" Polished aluminum wheels 3 22" bright machined aluminum wheels with premium paint 15 22" multi 5 22" multi 4 22" polished aluminum wheels 1 LPO, 22" (55.9 cm) Multi 3 Wheels, 22" x 9" Interim 17
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18" 265/60R18 all 3 20" all 10 22" all 38
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10 122 3.23 rear axle ratio 122 4 60 4 61 10
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220 61 250 5.3L V8 engine 23 6.2L V8 engine 35 7,400 lbs. GVWR 2 7,500 lbs. GVWR 115 7,700 lbs. GVWR Adaptive Air Ride suspension 26 Automatic Stop/Start 61 Automatic Stop/Start disable button 61 Autotrac® 2 44 Autotrac® single 16 Cat 2 Dual 38 Electronic Limited 20 Electronic Precision Shift 61 Engine air filtration monitor 61 Engine block heater Enhanced Cooling Radiator 39 External auxiliary transmission oil cooler 61 External engine oil cooler 61 Fuel, diesel B20 Fuel, gasoline, E15 5 Fuel, gasoline, E15 (Standard with (L84) 5.3L EcoTec3 V8 engine only.) 21 Fuel, gasoline, E15 (Standard with (L87) 6.2L EcoTec3 V8 Engine only.) 35 Heavy Heavy 5 Heavy 61 Integrated trailer brake controller 39 Keyless Start 61 Magnetic Ride Control 40 Mechanical jack with tools 61 Mechanical limited 41 Performance Front Skid Plate 5 Premium Smooth Ride suspension 21 Rear wheel drive 1 Red recovery hooks 5 Single 23 Steering, power 61 Suspension, front coil 61 Suspension, rear multi 61 Trailer Tire Pressure and Temperature Sensors 9 Trailering equipment 61
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Black exhaust tip Black grille with Chrome surround 1 Black nameplates 9 Black roof rack cross rails 2 Body 6
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Front and rear splash guards 2 Front license plate bracket 34 Illuminated GMC mirror emblem 5 LPO, Chrome center caps 3 Panoramic power sunroof 33 Power 24 Rear Camera Mirror Washer 27 Upper and lower active aero shutters Wheel locks 22
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