We're taking a closer look at this pre-refresh Chevy Silverado Trail Boss LT and refreshed GMC Sierra AT4 in the following GM Authority Photo Comparison.

Vehicle prices are on the rise, and that includes the cost of new vehicle deliveries. The GMC lineup is no different, with GM ...

The car sat between 1978 and 1991; it was restored 32 years ago and has original documents attesting to its history from the ...