Since 2007 and via subsidiary companies, Sixt has operated the online brokerage of motor vehicles with the websites Autocommunity Carmondo, Mystocks, RadAlert, Winebase and autohaus24.
Sejak 2007 dan melalui anak perusahaan, Sixt telah mengoperasikan broker online kendaraan bermotor dengan situs web Autocommunity Carmondo, Mystocks, RadAlert, Winebase dan autohaus24.