the GMC Sierra 2500HD Classic came with three cabin styles as well as the choice of rear-wheel drive or four-wheel drive. Gasoline engine power came from a 6.0-liter V-8 and 8.1-liter V-8 from the ...

Upgradeable to (KHB) dual, 150 amps and 220 amps each alternators with (L5P) Duramax 6.6L Turbo Diesel ... with (PDR) 2500HD SLT Gas Premium Plus Package, SEO options, (PDH) GMC Interior ...

Upgradeable to (KHB) dual, 150 amps and 220 amps each alternators with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.) Hitch platform to accept Gooseneck or Fifth wheel hitch. Includes Hitch platform ...

If you like big trucks, or you tow a heavy load, I have one for you this week you'll love: The 2025 GMC Sierra 2500 Denali Ultimate ... bulging hood is a 6.6-liter Duramax turbo diesel engine ...