The Hummer H2 is powered by large, truck-based V8 gasoline engines designed for strength and durability. Early models are equipped with a 6.0-liter V8 that delivers solid torque for off-road driving and towing, while later models feature a more powerful 6.2-liter V8 for improved performance and acceleration. These engines focus on low-end torque rather than fuel efficiency, making them ideal for rugged terrain and heavy-duty use. Built to handle demanding conditions, the H2’s engine plays a key role in its bold performance and commanding road presence.
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