Tag: All Mountain Concept Truck

GMC Goes Where Other Trucks Can’t with 2019 GMC Sierra 1500 AT4 All Mountain Concept

2019 GMC Sierra 1500 | Mandan, ND

Building upon the impressive off-road capabilities of the 2019 GMC Sierra 1500 AT4, the GMC debuted an even more rugged version of the truck at the Calgary Stampede rodeo festival in Canada. The All Mountain concept truck uses the same durable 6.2-liter V8 engine and 10-speed automatic transmission that you’ll find on the production model.…