TestDrive: GMC Sierra AT4X AEV

The GMC Sierra AT4X test drive. Write to us with your Car Debates, Car Conclusions, and Topic Tuesdays at [email protected] or everydaydriver.com. Shopping for the AT4X version or any GMC truck? Be sure to use autotempest.com/everyday so they know we sent you, and you can search all the car markets including dealer inventory. Learn more about your ad choices. Visit megaphone.fm/adchoices