This graph shows light vehicle sales since 2006 from the BEA (blue) and an estimate for July 2020 (red).
The impact of COVID-19 is significant, and it appears April was the worst month.
Since April, sales have increased, but are still down 14.4% from last year.
The second graph shows light vehicle sales since the BEA started keeping data in 1967.
Light vehicle sales in 2020, to date, total 7.66 million (NSA), down 21.9% from the same period in 2019 with sales of 9.80 million through July (NSA).