The mainstay of the Hennessey Goliath 700 GMC Sierra Denali is the beefed-up 6.2L powerplant thanks to a Hennessey 2.9L supercharger package, touting a zero-to-60-mph time of 4.3 seconds.
It doesn’t matter if you’re talking about coupes, sedans, SUVs or pickup trucks – horsepower is plentiful these days, with tuners like Hennessey Performance Engineering leading the way with upgrades ...
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