
There are no changes under the hood as the Pontiac G8 ST Concept retains the production model's 6.0-liter small-block V8, rated at 361HP and 385 lb.-ft. of torque (522 Nm). The V8 unit features GM's Active Fuel Management technology, which allows the engine to switch from eight-cylinder to four-cylinder operation during light-load driving conditions, enhancing fuel economy. The transmission is a Hydra-Matic 6L80 six-speed automatic. According to Pontiac, the production model has a 0-to-60 time of 5.4 sec.
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