2025 GMC Sierra 2500HD AT4 Summit White 4WD Duramax 6.6L V8 TurbodieselRecent Arrival!• Gooseneck/5th-wheel prep and the trailering package add a hitch platform and tow hitch, giving you built-in towing capability from the factory.• The 6.6L V8 diesel, 10-speed automatic, four-wheel drive, and locking/limited-slip differential are set up for heavy-duty work and added traction.• Apple CarPlay and Android Auto pair with navigation, Bluetooth, and steering wheel controls, so calls, music, maps, and apps stay easy to manage on the go.• Advanced safety features include adaptive cruise control, front collision warning and mitigation, lane departure warning, blind spot monitoring, and cross-traffic alert for added confidence in traffic and while towing.• A back-up camera, aerial view display system, rear park assist, and bed view camera help with parking, hitching, and keeping an eye on the cargo bed.• Heated seats front and rear, heated and cooled front seats, and a heated steering wheel make the cabin easier to enjoy in both cold and hot weather.• Remote start lets you warm up or cool down the truck before you get in, and keyless entry with keyless start adds everyday convenience.• A security system helps protect the truck when parked.• Premium audio and SiriusXM give you more ways to enjoy music, news, and entertainment on longer drives.• Running boards make entry and exit easier, especially in a heavy-duty truck.• Premium wheels add a more upscale look, while automatic headlights and automatic high beams help reduce nighttime effort.• The MultiPro tailgate step lights, integrated tailgate step, and bed liner add useful cargo-bed functionality.• The up-level rear seat package adds a 60/40 folding rear bench with storage and a pass-through rear seat for more flexible cabin use.• Power-folding heated mirrors with integrated turn signals, privacy glass, fog lamps, and rear defrost add visibility and daily usability.• Seat and mirror memory, power front seats with driver lumbar and passenger lumbar adjustment, multi-zone climate control, and rear air vents add comfort for both rows.