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2001 GMC Sierra 2500 HD Reviews and Owner Comments

2001 GMC Sierra 2500 HD owners review and rate their 2001 GMC Sierra 2500 HD.

2001 GMC Sierra 2500 HD (1 Review)
Overall
Body, Interior & Misc.
Brakes
Drive Train
Electrical & Lights
Engine
Exhaust & Emissions
Heating & Air Conditioning
Suspension & Steering
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I bought this truck in August 2001 with 5,500 miles. Now has 152,000 miles. Engine is 8.1 liter with Allison 5speed. Don't think I'll ever part with it. Gets about 14-15mpg empty if driven sensibly, and about 10mpg pulling my 35' 5th Wheel that empty weight is 12,500#. And this truck is a 4x4. With exception of a couple minor sensor issues, It has performed flawlessly.