2008 GMC Sierra Denali Transmissions

Used and remanufactured transmissions that fit the 2008 GMC Sierra Denali. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from EP Transmissions.

Available Transmissions (1)

Other GMC Sierra Denali Years

2008 GMC Sierra Denali Transmission Market Context

Is replacing the transmission worth it?

Vehicle value (full-size truck):
$4,500 – $5,040
Repair makes sense under:
≈$2,025

Rule of thumb: a transmission replacement is usually worth it when the installed cost stays under 45% of what the 2008 GMC Sierra Denali is worth — most units below beat that comfortably.

Frequently Asked Questions

Is it worth repairing or replacing the transmission on a 2008 GMC Sierra Denali?

As a general rule of thumb, a transmission replacement on a 2008 GMC Sierra Denali (full-size truck segment, vehicle value roughly $4,500–$5,040) is usually worth it when the installed cost stays under about $2,025 — roughly 45% of what the vehicle is worth.