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General Motors launched the GMC Sierra AT4 with the debut of the light-duty pickup’s fourth generation for the 2019 model year. The Sierra range, including the AT4, was later refreshed for the 2022.5 ...

Although the Chevy Silverado 1500 and GMC Sierra 1500 share the same basic architecture, drivetrain options, and off-road capabilities, their exterior styling diverges sharply. This is doubly so when ...