MECHANICAL Rear axle, 3.23 ratio GVWR, 7400 lbs. (3357 kg) (Standard on 2WD models with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.) Automatic Stop/Start (Vehicles built between October, 2021 and December 12, 2021 with a V8 engine, will be forced to have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. Beginning with production starting December 13, 2021, (KL9) Automatic Stop/Start will be forced on as standard content. See dealer for details.) Engine control, stop/start system disable button, non-latching (Vehicles built between October, 2021 and December 12, 2021 with a V8 engine, will be forced to have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. Beginning with production starting December 13, 2021, (ENL) Engine control stop/start disable button will be forced on as standard content. See dealer for details.) Engine air filtration monitor Electronic Precision Shift Battery, 730 cold-cranking amps with 80 amp hour rating (Standard with (L84) 5.3L EcoTec3 V8 engine only.) Alternator, 220 amps (Standard with (L84) 5.3L EcoTec3 V8 engine only.) Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil Cooling, external engine oil cooler, heavy-duty air-to-oil integral to driver side of radiator (Deleted when (LM2) Duramax 3.0L Turbo-Diesel I6 engine is ordered.) Suspension, front coil-over-shock with stabilizer bar Suspension, rear multi-link with coil springs Exhaust, single system, single-outlet Mechanical Jack with tools --- EXTERIOR Tire carrier, lockable outside spare winch-type mounted under frame at rear Active Aero Shutters, upper (Standard with (L84) 5.3L EcoTec3 V8 engine only.) Moldings, bright chrome bodyside Fascia, front Headlamps, LED Lamps, stop and tail, LED Mirror caps, body-color Glass, acoustic, laminated windshield Glass, windshield shade band Glass, driver and front passenger laminated front door window Wiper, rear intermittent --- INTERIOR Door handles, chrome with body-color strip Safety Alert Seat Console, floor with storage area, cup holders Floor covering, color-keyed carpeting Sill plates, bright, front and rear doors Driver Information Center, enhanced, 12" diagonal multi-color digital display includes analog speedometer and tachometer gauges Following Distance Indicator Warning tones headlamp on, driver and right-front passenger seat belt unfasten and turn signal on Wireless charging USB charging-only ports, 4, (2) located on rear of center console and (2) in 3rd row Power outlets, 2, 120-volt located on the rear of the center console and rear cargo area Power outlet, front auxiliary, 12-volt, located in the center stack of instrument panel Assist handles, overhead, driver and front passenger, located in headliner Assist handles, front passenger A-pillar and second row outboard B-pillar Lighting, interior with dome light driver- and passenger-side door switch with delayed entry feature, cargo lights, door handle or Remote Keyless Entry-activated illuminated entry and map lights in front and second seat positions GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.) --- SAFETY Hill Start Assist Trailer sway control Rear Seat Reminder LATCH system (Lower Anchors and Tethers for CHildren), for child safety seats lower anchors and top tethers located in all second row seating positions, top tethers located in third row seating positions Hitch Guidance Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use, can be turned on and off in Settings or Teen Driver menu --- AutoStockImages:http://media.chromedata.com/autoBuilderData/stockPhotos/31903.jpg Fuel Economy:City: high: 15MPG low: 1