We test the impressive new GMC HD 2500 AT4x AEV on our test track in Arizona, complete with thousands of miles of road and trails around AZ and UT. The AEV edition does not disappoint, with steel front and rear bumpers, AEV wheels, and additional accessories throughout. The AT4x also brings the heat with a rear locking differential, traction control, Multimatic dampers, 35 inch tires, and more.

https://www.gmc.com/trucks/sierra/250...

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