2006 GMC Sierra 2500HD SLT Crew Cab Duramax 4×4

The 2006 GMC Sierra HD (GMT800 2000-2007) is sold for $22,500 on Bring a Trailer. See Friday's Watchlist AI fair value, deal score, hammer-price prediction, and bidding intelligence for this 2006 GMC Sierra HD (GMT800 2000-2007)auction.

This 2006 GMC Sierra 2500HD SLT Crew Cab is a robust and reliable pickup, ideal for those who need a powerful workhorse with the versatility of 4x4 capabilities. With a 6.6-liter Duramax turbodiesel V8 engine paired with a six-speed automatic transmission, it offers impressive towing capacity and performance. The truck has been refinished in a striking Deep Blue Metallic, enhancing its aesthetic appeal while maintaining its rugged functionality. With 222k miles, it has been well cared for, remaining with its original owner across multiple states. Notable features include a push-button dual-range transfer case, locking rear differential, and a premium Bose sound system, making it a comfortable ride for both work and leisure. This Sierra is perfect for enthusiasts looking for a dependable truck that combines power and luxury.

• Make: GMC
• Model: Sierra HD (GMT800 2000-2007)
• Year: 2006
• Transmission: Six-speed automatic transmission
• Engine: 6.6-Liter Duramax Turbodiesel V8
• Exterior color: Deep Blue Metallic
• VIN: 1GTHK23246F137390

Seller's description via Bring a Trailer: This 2006 GMC Sierra 2500HD SLT is a Crew Cab 4×4 pickup that remained registered to the original owner in Louisiana, Texas, and Colorado through the seller’s purchase in 2025. The truck has been refinished in Deep Blue Metallic over Pewter leather and is powered by a 6.6-liter Duramax turbodiesel V