Tuning
Hennessey Just Built the GMC Sierra GMC Never Dared To Make
Hennessey loves taking already powerful vehicles and turning them into something completely excessive. The new Goliath 700 is exactly that. This time, the company grabbed a GMC Sierra AT4 and gave it
AutoExpert
Tuning
This Silverado Now Has 700 HP… and Hits 60 in 4.2 Seconds
Hennessey Performance Engineering looked at the Chevrolet Silverado ZR2 and decided it needed a lot more attitude. So they turned it into the Goliath 700. The big change is under the hood. The 6.2-
AutoExpert