2015 GMC Sierra Denali: Recalls, Problems & MPG
Here are the deets on the 2015 GMC Sierra Denali: 0 recalls, 22 owner complaints.
Recalls
No recalls on file for this model year. Still worth a VIN check.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Brakes (7): no single recurring theme in the descriptions.
- Transmission & drivetrain (5): the most common themes are hard / delayed shifting (4), noise or vibration (2).
- Electrical (3): the most common themes are electrical failure (2).
- Other / unknown (2): no single recurring theme in the descriptions.
The 2015 GMC Sierra Denali has 22 owner complaints, ranking #4 of 18 Sierra Denali model years for complaints (1.6× the average Sierra Denali year). Complaints peaked in 2017 (6 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 47,800 miles. Neighboring years: 2014 (14 complaints, 0 recalls), 2016 (30 complaints, 0 recalls).
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2015 GMC Sierra Denali.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2015 GMC Sierra Denali have any recalls?
NHTSA doesn't list any vehicle recalls for the 2015 GMC Sierra Denali. Check your VIN at nhtsa.gov/recalls to be sure.
What are the most common 2015 GMC Sierra Denali problems?
Owners have filed 22 complaints with NHTSA. The most-reported areas are brakes (7), transmission & drivetrain (5), electrical (3).
Where can I get a 2015 GMC Sierra Denali repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.