2025 2500 GMC Sierra SLE DuraMax Discover your next adventure with the 2025 GMC 2500HD, SLE equipped with a powerful 6.6L Duramax Diesel engine. With its striking Cardinal Red exterior and comfortable Jet Black Cloth interior, this truck is not just built for looks-it's built for performance. Key features include: - 40/20/40 Split Bench Front Seat with under storage - Allison 10-speed transmission - Auto Locking Rear Differential - Stabilitrack with Trailer Sway Control - Complete Trailering Pac