Best-Selling Cars of 2021 — So Far

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12. GMC Sierra
2021 Sales: 138,412
Vs. 2020: 29.6%
The best-seller in the GMC lineup, the Sierra’s 2020 sales ended on a high note to buck the overall decline of U.S. auto sales. That upward trend continued into the first half of 2021. Like its Chevrolet Silverado sibling, the Sierra pickup was completely new for the 2019 model year. Larger in practically every dimension, the new Sierra boasts a range of comfort, convenience and safety features —one standout is the truck’s MultiPro Tailgate that offers six positions for easier loading, as well as use as a standing workstation. A range of engine / transmission options are available, including a new 2.7-liter turbo and a new turbodiesel powertrain. For 2021 GMC expands Sierra’s standard features and increases the trailer-towing capability to 36,000 pounds on properly equipped 3500 HD variants.

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