GM dealers air grievances with using CDK

The problems they cited include untimely dealer support, "clunky" functionality and simply not having another GM-approved choice for websites.

Bumper nostrils, knockouts and light blades: What people are saying about GMC's '19 Sierra

General Motors is trying to distinguish the 2019 GMC Sierra from rivals -- as well as from its platform mate, the Chevrolet Silverado -- with extra luxury features and technologies that the automaker calls segment-leading. Here's a look at what journalists and others are saying about the Sierra.

UPDATED: 3/26/18 9:06 pm ET - adds details
GMC launches off-road AT4 brand with Sierra

With an eye on brands such as Jeep and off-road enthusiasts, GMC will introduce AT4 variants across its lineup. Like the Denali subbrand, the AT4 lineup is expected to be priced higher than standard GMC models and generate fatter profits.

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