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

$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 ...