@taxiguy:
the the actual available taxis on the page www.mobile.de, the biggest, marketplace for used cars in Germany:
http://suchen.mobile.de/fahrzeuge/searchresults.html?pageNumber=1&__lp=51&scopeId=- C&sortOption.sortBy=price.consumerGrossEuro&sortOption.sortOrder=ASCENDING&makeModelVariant1.- searchInFreetext=false&makeModelVariant2.searchInFreetext=false&makeModelVariant3.- searchInFreetext=false&vehicleCategory=Car&segment=Car&siteId=GERMANY&features=T- AXI&negativeFeatures=EXPORT&damageUnrepaired=NO_DAMAGE_UNREPAIRED&customerIdsAsString=- &lang=de

If you are surfing around in this list, just look at the mileages. A lot of them are astronomic high.