The GMC Sierra 2500 HD Jackal, modified by Pax Power, is the ultimate symbol of raw power. With enhanced suspension and a ...

According to GM Authority, to bring this project to life, GMG used parts from three different GMC Sierra trucks ... fenders from a Chevy C3500 dually, modified for a uniform appearance that ...

While the GMC Sierra AT4 and AT4X offer plenty of off-road prowess right from the factory, PaxPower's upgrades elevate the ...