I have a 2014 GMC Sierra. I have had it for 6 months and have 12000 miles on it. Its a nice truck. The issues I have is that the upper dash panels vibrates, seems to be a common problem and the dealer wont fix it. And the tires wont balance, vibrates like crazy at highway speeds and the dealer wont fix that either, they tried once and said sorry nothing we can do.
Over all its a nice truck. Super quiet. I had to get used to all the display options. The six speed trans is another thing I have to get used to with all the shifting. When you want to pass or get on it , it has a mind of its own and drops down hard.
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