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Premium off-road capability and heavy-duty performance define the 2025 GMC Sierra 2500HD AT4. Finished in a bold Summit White exterior colour and riding on exclusive AT4 alloy wheels wrapped in all-terrain tires, this heavy-duty pickup is engineered for demanding work and rugged adventures. Powered by a 6.6 L V8 engine paired with a 10-speed Allison automatic transmission and four-wheel drive, it delivers outstanding towing capability and confidence. Inside, the cabin features Jet Black With Kalahari Accents, Perforated leather seating with AT4-exclusive interior accents. Step inside and be impressed to find features including the At4 Premium Plus Package, Gooseneck / 5Th Wheel Prep Package, sunroof, wireless Apple CarPlay and Android Auto, Bluetooth hands-free connectivity, Bose audio, wireless phone charging, heated front seats, heated steering wheel, dual-zone automatic climate control, remote start, HD rear vision camera, MultiPro Tailgate, integrated trailer brake controller, off-road suspension, skid plates, keyless entry with push-button start, multiple USB charging ports, and GMC Pro Safety technologies. What are you waiting for? Come in and experience this 2025 GMC Sierra 2500HD AT4 today!

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