Chevy, GMC May Have Heavy-Duty Off-Road Trucks in the Works

GM hasn’t gone on all-in with a full-on combustion competitor for the Ford F-150 Raptor or Ram 1500 TRX — yet. But the company seems to be moving in that direction. The recent refresh for the Chevy Silverado and GMC Sierra included new beefed-up Silverado ZR2 and Sierra AT4X models.

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