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GMC is the truck-dedicated segment of GM and as such you would expect it to have the burliest of machines for both work and play. The Sierra was the brute of the week. The GMC Sierra Crew Cab we ...

When I climbed into the '07 GMC Sierra Denali, I'll admit, I had one thing on my mind-the 6.2L V-8 and the 400 hp that came with it. Okay, so it has 403 hp, but it crossed the 400hp threshold, and ...