Best-Selling Cars in America — By Brand

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GMC Sierra
Total Sales: 191,186
The best-seller of the GMC lineup, the Sierra’s 2020 sales ended on a high note that bucked the overall decline of U.S. auto sales. That upward trend continues into the first nine months 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 new 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 new 2.7-liter turbo and turbodiesel powertrains. For 2021 GMC expanded Sierra’s standard features and increased the trailer-towing capability to 36,000 pounds on properly equipped 3500 HD variants.

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