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  1. Automotive Industry & GM News
    GMC has just announced a new package for the new Sierra 1500 AT4 to help you get off-road a little faster than before. An all-new Off-Road Performance Package that adds power to the biggest of the Sierra's V8s. The base AT4 comes with the 5.3L V8 that puts out 355 hp. But the Off-Road...
  2. Automotive Industry & GM News
    Yes, though we've seen the new Sierra already, we're still posting spy pictures. That's because these spy pics are of the SLE, which we didn't see in Detroit. Unlike the Sierra SLT and Denali, the SLE comes with a grille all its own, fog lights deleted, and a revised bumper. Additionally, this...
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