2007 GMC Sierra 2500HD Classic Work Truck 4x2 Extended Cab 6.6 ft. box 143.5 in. WB Review Summaries

What reviewers liked most about the GMC Sierra 2500HD Classic:

Strong engine choices, multiple drivetrain options, impressive towing and hauling ability.

-- Edmunds.com

The available engines include a relatively refined, Isuzu-developed 6.6-liter turbodiesel V8 mated to a smooth six-speed automatic. A huge 8.1-liter V8 is also available. These trucks are intended for commercial use or heavy-duty towing.

-- Consumer Reports

What reviewers liked least about the GMC Sierra 2500HD Classic:

These trucks are much stiffer and ride less comfortably than the standard 1500 (1/2 ton).

-- Consumer Reports

Lacks refinement and some key safety features compared to rivals, some low-grade cabin materials.

-- Edmunds.com

GMC Sierra 2500HD Classic Comparisons:

For those who need extra towing capacity, the burly 2007 GMC Sierra 2500HD Classic is a good option. But if towing is not a big priority, the Nissan Titan and Dodge Ram are better choices overall.

-- Edmunds.com