Our 2021 Sierra 2500 L5P 6.6 Duramax engine and transmission come with the following features and specifications:

• - Engine: 6.6 Duramax V8 turbo-diesel engine
• - Horsepower: 445 horsepower @ 2,800 rpm
• - Torque: 910 lb-ft @ 1,600 rpm
• - Transmission: Allison 10-speed automatic transmission
• - Mileage: 18,000 miles
• - Condition: Used, with minimal wear and tear
• - Warranty: Sold as-is, with no warranty expressed or implied