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2009 GMC Sierra Denali Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 2009 GMC Sierra Denali

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The national average repair and maintenance cost for a 2009 GMC Sierra Denali is between $498 and $609 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Repair Cost Index Score
32
2009 GMC Sierra Denali
scores in the least expensive range of all car models for average repair and maintenance costs
0
100
32
$
$$$
40
- average of all models
What does this score mean?
$554
Annual Repair Cost
on average
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
The GMC Sierra 1500 Denali uses a throttle position sensor (TPS) which commonly fails and causes: Check engine light illumination Reduced Power message OBD trouble code P2135 This issu...
I have no idea where it come from or how to prevent it.
When I adjust radio volume down, it goes up. When I change stations up it changes station down th...
When I start it in the morning it holds for awhile then it start with some black smoke from the...