2019 Chevrolet Silverado 2500HD Road Test - Consumer Reports
The Silverado 2500 HD (for "heavy duty") and its near twin GMC Sierra 2500 are true rough and tumble workhorses, but with enough creature comforts and modern amenities, they serve as versatile mobile workplaces. High points include a diesel powertrain that's cultured and brawny, and an intuitive infotainment system. However, for day-to-day comfort, we'd avoid the super-stiff Z71 suspension.
Chevrolet Silverado 2500HD Road Test

The Silverado 2500 HD (for "heavy duty") and its near twin GMC Sierra 2500 are true rough and tumble workhorses, but with enough creature comforts and modern amenities, they serve as versatile mobile workplaces. High points include a diesel powertrain that's cultured and brawny, and an intuitive infotainment system. However, for day-to-day comfort, we'd avoid the super-stiff Z71 suspension.

The Duramax engine and Allison transmission employed make for an impressive team, allowing the truck to benefit from a swell of smooth flow of power and making towing a breeze. Towing capacity is 18,100 pounds. That powertrain helps the big rig sprint to 60 mph in 8.2 seconds. We measured 14 mpg overall -- 2 mpg less than what we measured in our last tested Silverado 1500 with the gasoline engine.

Hauling and snowplowing are natural activities for the Silverado HD, but to keep everything running, you need to periodically top off the required Diesel Exhaust Fluid (DEF). However, we're dismayed that the DEF filler is inconveniently located in the engine bay rather than by the fuel filler neck. It's also hard to find the engine block heater receptacle.

Best Version to Get
We'd splurge for the LTZ model to get the more durable leather seats. The diesel engine is also the way to go with an HD truck that's going to be tasked with towing. Try to avoid the popular Z71 suspension and stay with the 18-inch wheels if you want a semblance of a comfortable ride.
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