Is your defective GMC Sierra 1500 actually a LEMON?

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10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
700 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
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2021 GMC Sierra 1500 engine problems

engine problem

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2021 GMC Sierra 1500 Owner Comments

problem #1

Mar 032021

Sierra 1500 SLT 5.4L

  • Automatic transmission
  • 683 miles

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

I've been driving Ford for 25 years. I decided to try GMC. They looked and drove great so I bought it. One week in and I'm having problems. I was told it was a computer error. I don't think so.

- Pierre P., BYRAM, MS, US

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