seen a audi a4 1.9 tdi 115 sports with 123000 miles on the clock near me metalic grey and full dealer service history on a 54 plate 4 door saloon with the side skirts and spoiler 17 inch wheels look really nice mint condition just wondering how much it worth its on sale for £6500 spoke to the guy and he said it just had brake disks and pads new all round and new mas air flow meter had a test drive and drives nice good pull on it how much should i offer him????