Looks like the growth had tapered for now, but there is no way it is ever gonna return to where we were, say in 2015...
And, yes, it has tapered a little, but compared to the explosive growth it achieved in just less than 2 previous years, this taper might as well just not exist at all it is so small.

this is from cargurus statistics on their website
https://www.cargurus.com/Cars/price-trends/

Also, that M1 money supply chart.... the Federal reserve is not providing/updating it anymore. They discontinued it several months ago even though it has been in use for decades.