From WardsAuto: U.S. Light Vehicle Sales & Inventory Forecast, March 2021 (pay content)
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This graph shows actual sales from the BEA (Blue), and Wards forecast for March (Red).
The weather impacted sales in February, and sales are expected to bounce back in March to close to the January level.
The Wards forecast of 16.5 million SAAR, would be up about 5% from last month, and up 45% from a year ago (sales collapsed in March 2020).