Needed purchase help!!! Mini 2006 with 160,000 km

hello, our family car is a caddy and the second car should be a MINI and that is a MINI One 1.6 Park Lane. why? because my wife only wants to have that ;-))). the car would usually move for shorter distances in urban traffic! there is a dealer offer with the following dates: – 1598 qcm / 90 hp / Built 1/2006 – 1st hand – fully stapled – tüv 5/2021 – 160,000 km – good equipment: among other things seat heating, leather seats, … – price 3900,- euro is the price fair? and what would speak against a purchase? Mich BEUNRUHIGEN PRIMARY THE 160,000 KM!!!! (much more money we don ́t want / can ́t spend) many greetings and thanks in advance frank