Second prize is a set of steak knives

Carvana significantly lags behind CarMax in used vehicles sold to retail customers. Still, Carvana's closing the units gap and its market cap is about 10 times more than CarMax's. Quarterly retail units sold:

Note: CarMax's Q1 began March 1, while Carvana's began January 1. This chart compares fiscal quarters with the most overlap (i.e. CarMax's Q4 with Carvana's Q1).
Source: Company filings