Here are several convenience reasons that old diesel trucks on Facebook Marketplace are being sold for more than your grandpa thinks they should be.

It's unclear how many NAPCO-equipped GMC trucks survived, but you'd be hard-pressed to find one at your local classic car show.

GMC Sierra 1500 The GMC Sierra 1500 is a great luxury pickup and one of the best diesel trucks of 2025 for its power, luxury, and reliability.

More than 85 years after it rolled off the line, this 1937 T14B GMC truck is getting a second lease on life, as seen in this extensive restoration video.

A 1993 GMC Typhoon with 688 miles sold for an astronomical amount on Bring a Trailer, bucking the trend of collector car prices coming down.

This California business is helping to electrify old, diesel trucks While a handful of states are working to electrify trucking, that effort has largely focused on new electric trucks rather than ...