GMC Sierra 2500HD IV • GMTK2XX • Regular Cab Long Box Specs

Variant	Power	0-100	Top Speed	Gearbox	Fuel
6.6 Duramax TD V8 • 445 HP • Automatic	445 HP	-	-	6-speed automatic	Diesel
6.6 Duramax TD V8 • 445 HP • 4WD Automatic	445 HP	-	-	6-speed automatic	Diesel
6.6 Duramax TD V8 • 397 HP • Automatic	397 HP	-	-	6-speed automatic	Diesel
6.6 Duramax TD V8 • 397 HP • 4WD Automatic	397 HP	-	-	6-speed automatic	Diesel
6.0 V8 • 360 HP • Automatic	360 HP	-	-	6-speed automatic	Petrol (Gasoline)
6.0 V8 • 360 HP • 4WD Automatic	360 HP	-	-	6-speed automatic	Petrol (Gasoline)
6.0 V8 • 301 HP • 4WD Automatic CNG	301 HP	-	-	6-speed automatic	Petrol / CNG
6.0 V8 • 301 HP • Automatic CNG	301 HP	-	-	6-speed automatic	Petrol / CNG

GMC Sierra 2500HD IV • GMTK2XX • Regular Cab Long Box