Bilbasen is an online marketplace for purchases and sales of all types of new as well as used cars, autocampers, vans and busses. The platform provides full end-to-end integration of auto transactions in Denmark. Today, Bilbasen is estimated to have approx 450.000 unique monthly visitors according to FDIM (Forening af Danske Interaktive Medier).

Bilbasen was sold to eBay in 2008.