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    GMC Sierra 2500HD

    EPA MPG: NA

    RECALL ALERT:
    There are 3 recalls on this vehicle. Learn More.

    GMC Sierra 2500HD First Drive

    Introduction

    The HD Sierra is designed for heavy towing and hauling, and rides stiffer than the Silverado 1500. The standard engine is a 6.0-liter V8. Our tested 397-hp, 6.6-liter turbodiesel produced a whopping 765 foot-pounds of torque and could haul close to a 2,500-pound payload. The diesel is punchy but noisy, and the Allison-made six-speed automatic is smooth. Braking and handling capabilities come close to matching the half-ton Sierra. Handling is not agile but has a modicum of responsiveness that other three-quarter-ton trucks don't provide. Reliability of the turbodiesel version is below average.
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