If you've been thinking about an EV, the Sierra EV Denali shows how much the technology has grown.

In a country dominated by pickup trucks, the luxury pickup is king. It used to be that buying a high-end pickup meant you ...

On a big truck, though, four-wheel steering works. It was a hit when it was introduced on the 2002 GMC Denali, but the price is prohibitive. It added $4,495 to the 2003 GMC extended-cab test truck ...