2.6

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
55,838 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2018 GMC Sierra 1500 windows / windshield problems

windows / windshield problem

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2018 GMC Sierra 1500 Owner Comments

problem #2

Jan 292025

Sierra 1500

  • 60,952 miles

A D V E R T I S E M E N T S

The contact owns a 2018 GMC Sierra 1500. The contact stated while driving approximately 35 MPH with the rear window defroster activated, there was a burning rubber odor inside the cabin of the vehicle and there was smoke coming from the rear window area. While inspecting the rear window the contact discovered that the rear window connector cover had melted, and the wire connections were a burning amber color, but no flames were present. After disconnecting the electrical connections, approximately 30 seconds later the rear glass panel on the passenger side suddenly shattered. No injuries were reported. The contact-??s young daughter was seated in the rear during the failure. The vehicle was taken to the local dealer, but the cause of the failure was not yet determined. The manufacturer was not notified of the failure. The failure mileage was 60,952.

- Albuquerque, NM, USA

problem #1

Jun 262020

Sierra 1500

  • 50,724 miles
The contact owns a 2018 GMC Sierra 1500. The contact stated that the air conditioner was inoperable, causing visibility issues while driving. Due to the failure, the defroster/defogger system was inoperable. Mcconnell automotive (3150 dauphin St, mobile, al 36606, (251)476-4141) was informed of the failure. The contact was informed that the vehicle was not subjected to a recall. The dealer provided an estimate of $1,191 to repair the vehicle. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage 50,724.

- Foley, AL, USA

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