GMC’s Syclone should be the star of a movie called The Engine That Wouldn’t Die. The S-15-based pickup is powered by a 270 hp. 3.8- liter V6 version of Buick’s Grand National engine. Sitting on P245/50VR-16 Eagle GT tires. the truck will romp from 0-60 mph in under six seconds, and run the quarter-mile in 14 seconds at 103 mph. GMC has no firm production plans for the Syclone.