$20,785 $410.04/month est. This Clean CarFax 2006 GMC C4 4500 TOPKICK DUALLY RWD Crew cab truck with dual rear wheels has a 6.6L Diesel Turbo Dsl OHV 403 CID engine, automatic transmission, vinyl ...

GMC trucks are powerful and reliable, but they aren't necessarily known for topping the horsepower rankings. Here are the ...