6.2l gas

I just bought a 2010 Yukon XL Denali w/ 87k miles on it. As far as I can tell it doesn't have any issues, except the evap needs replaced (isn't causing engine problems). I just want to know what regular maintenance I should get into the habit of doing so I can keep this beauty on the road for a...

I am hoping for some help here. We are currently at our 3rd dealership in trying to resolve this issue. It started a week and a half ago when my wife took the vehicle for a drive on the highway which was about 25 miles away. When she exited the highway, the truck died at the stop light on the...

Hi, I'm new to the forum since this is my first GMC but have been a GM buyer since 16. I was wondering if anyone has tuned their 6.2l motor with a chip or other any other method that you could recommend. I looked into a supercharger but $5k+ is too much since I just bought the Denali. Any...