Used 2006 GMC Sierra 3500 Pricing
For 2006, the Duramax diesel engine receives a host of power and refinement upgrades, as well as reduced emissions. The Allison automatic transmission is now a six-speed, and features a tap-shift range selection mode. The camper-style mirrors have been replaced by a folding and extending design with a built-in convex spotter glass. Trim levels and packaging have also been juggled.
- Multiple drivetrain configurations, substantial towing and hauling capacities, compliant ride quality.
- Interior design is showing its age, spotty build quality, cheap interior materials.
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