New GMC Sierra 1500 Trucks — Madisonville, TX

• 2026 GMC Sierra 1500 AT4X - Onyx Black, Truck, 1-speed Automatic, 3.0L I6
• 2026 GMC Sierra 1500 Denali - Onyx Black, Truck, 1-speed Automatic, EcoTec3 5.3L V8
• 2026 GMC Sierra 1500 Denali Ultimate - Onyx Black, Truck, 1-speed Automatic, EcoTec3 6.2L V8
• 2026 GMC Sierra 1500 AT4 - Coastal Dune, Truck, 1-speed Automatic, 3.0L I6
• 2026 GMC Sierra 1500 AT4 - Onyx Black, Truck, 1-speed Automatic, 3.0L I6
• 2026 GMC Sierra 1500 SLT - Onyx Black, Truck, 1-speed Automatic, 3.0L I6

• 2026 GMC Sierra 1500 Elevation - White, Truck, Automatic, 3.0L I6 24V DDI DOHC Turbo Diesel
• 2026 GMC Sierra 1500 AT4 - White, Truck, 1-speed Automatic, 3.0L I6 24V DDI DOHC Turbo Diesel
• 2026 GMC Sierra 1500 SLT - Black, Truck, 1-speed Automatic, 5.3L V8 16V GDI OHV
• 2026 GMC Sierra 1500 Denali - Black, Truck, 1-speed Automatic, 3.0L I6 24V DDI DOHC Turbo Diesel
• 2026 GMC Sierra 1500 Denali Ultimate - Black, Truck, 1-speed Automatic, 6.2L V8 16V GDI OHV
• 2026 GMC Sierra 1500 Elevation - Black, Truck, Automatic, 5.3L V8 16V GDI OHV

• 2026 GMC Sierra 1500 AT4 - Coastal Dune, Truck, 1-speed Automatic, Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
• 2026 GMC Sierra 1500 Pro - Coastal Dune, Truck, 8-speed Automatic, TurboMax 2.7L I-4 gasoline direct injection, DOHC, variable valv
• 2026 GMC Sierra 1500 AT4X - Coastal Dune, Truck, 1-speed Automatic, EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
• 2026 GMC Sierra 1500 AT4 - Volcanic Red Tintcoat, Truck, 1-speed Automatic, Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
• 2026 GMC Sierra 1500 Denali - Dark Ember Metallic, Truck, 1-speed Automatic, Engine, none
• 2026 GMC Sierra 1500 Denali Ultimate - Glacier White Tricoat, Truck, 1-speed Automatic, Duramax 3L I-6 diesel direct injection, DOHC, variable valve con

• 2026 GMC Sierra 1500 AT4X - Sterling Metallic, Truck, Automatic, EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
• 2026 GMC Sierra 1500 AT4X - Volcanic Red Tintcoat, Truck, Automatic, EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
• 2026 GMC Sierra 1500 SLT - Onyx Black, Truck, Automatic, EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
• 2026 GMC Sierra 1500 AT4 - Titanium Rush Metallic, Truck, Automatic, Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
• 2026 GMC Sierra 1500 Elevation - Onyx Black, Truck, Automatic, EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
• 2026 GMC Sierra 1500 AT4X - Coastal Dune, Truck, Automatic, Duramax 3L I-6 diesel direct injection, DOHC, variable valve con