GMC Sierra 2500HD Experts

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GMC Sierra 2500HD Model Overview

Used GMC Sierra 2500HD

GMC Sierra 2500HD Questions


Idle Air Control Valve

I have a 2006 GMC DIERRA 2500HD SLE 6.0L. Ifle is very low, with a lobe, or miss. Foes this thing have an idle air control valve? Does anyone have experience with this?

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Terry Murphy

Oil Pressure

2007 gmc 2500 HD 6.0 eng. Changed oil pump 2 months ago. When driving down a particular hill every day the oIL guage drops to 0 and shut engine alarm goes off. Then while driving down the rest of t...

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Andrew Wallace

How Much Can I Haul

I have a 2004 GMC Sierra 2500 HD 4 x 4 extended cab with a 6.0 Vortec engine and a transmission kit I was wondering how much this thing can haul with a 4.10 axle ratio

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Steve Steder

Where Is The Headlight Switch On A 89 Gmc Pickup?

dash lights and tail lights don't work. checked bulbs and fuses all good stop ,turn , brake and headlights work

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I Fill In All The Blanks To Get A Value On 3 Trucks And It Tells Me It Does...

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About the GMC Sierra 2500HD

The GMC Sierra 2500HD adds an extra dimension to the 2500 franchise with extra power.  This 3/4 ton pickup truck tows 13,000 lbs. and comes in Work Truck, SLE, and SLT trims, just like the other rugged pickups in GMC's lineup.

The most noteworthy changes to the Sierra 2500HD so far came in 2007 with the introduction of a high-powered 6.0 L, 353 hp V8 engine with an option to upgrade to 365 hp.  This truck has a prominent grille, headlights, and a re-furbished interior.  Overall, GMC sees the potential for growth with the Sierra 2500HD and plans to capitalize in the coming years.