Audi 90 Quattro 20V Kaufberatung 180.000 km Year of construction 1988

Hello An acquaintance would sell his Audi 90 Quattro 20 V for about 1400 VB. approx. 180,000 km and year of construction at the end of 1988 –> 170 hp – black – small dent on the right fender – slightly lowered – summer tires good, aluminum, without winter tires – interior equipment good (quattro seats, black, additional instruments, very ok) – us-spiegel with compass – varnish looks good – normal traces of use – exhaust almost new, brakes ok -climate -central locking – fog lights -electric window lift – slidingda wärs der wert??? What about such cars in terms of value increase?