
The 2025 GMC Sierra 3500HD Pro is a powerful diesel-powered crew cab built for serious work and hauling. This 4WD truck features the legendary Duramax 6.6L V8 Turbodiesel engine paired with a smooth 10-speed automatic transmission, delivering the dependable performance you need for demanding tasks. With its crisp white exterior, practical Jet Black Vinyl interior, and crew cab long bed configuration, this Pro trim provides the versatility and durability GMC is known for.
- Duramax 6.6L V8 Turbodiesel with 220-amp alternator
- Gooseneck/5th wheel prep package for heavy-duty towing
- Engine block heater for reliable cold-weather starts
- 4" round black tubular assist steps
- Exhaust brake for superior stopping power
- Remote keyless entry with push button start
- 120-volt instrument panel and bed-mounted power outlets
- Automatic emergency braking and forward collision alert
- EZ Lift power lock and release tailgate
- Rear exterior parking camera
This Sierra 3500HD Pro is equipped with the specialized features professional users demand, from the gooseneck prep package to the engine block heater for dependable operation in any condition. Come see how this truck combines capability, comfort, and the robust engineering that makes GMC a trusted name in heavy-duty vehicles.