Question 1

How much does this 2026 GMC Sierra 3500HD cost?

Accepted Answer

This 2026 GMC Sierra 3500HD 4WD Crew Cab Long Box AT4 is listed at $73,499 at Thomas Buick GMC in Cobourg, ON.

Question 2

What is the mileage on this 2026 GMC Sierra 3500HD?

Accepted Answer

Mileage information is not listed for this vehicle. Contact Thomas Buick GMC for details.

Question 3

Where is this 2026 GMC Sierra 3500HD located?

Accepted Answer

This vehicle is located at Thomas Buick GMC in Cobourg, ON, Canada. Visit their website at http://www.thomascobourg.ca.

Question 4

Has the price dropped on this GMC Sierra 3500HD?

Accepted Answer

DealerRadar tracks the price history of every listing. Check the price chart on this page to see if and when this GMC Sierra 3500HD dropped in price.

2026 GMC Sierra 3500HD 4WD Crew Cab Long Box AT4

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