Used family car: Van, minivan, station wagon…?

Hello dear community, I hope that I will be helped here. I urgently need a suitable family car. We would like to have a car like Touran, Zafira, S-max or a 5 car, etc. We will drive about 6000km with it, mainly in the city (shopping, family visits, KiTa,…) Every now and then we drive further away to make excursions. Both children have a child seat (Roman duo plus) Every now and then my nephew comes in the middle with his child seat. My cousin h at a workshop, repairs and parts are no problem. Everything about the EK. petrol or diesel? Automatic or manual transmission doesn’t really matter. Whereby automatic is more comfortable. Eigenltich petroler at the KM, but the used prices between petrol and diesel are very low. A diesel, depending on the motorization, would still be economically worthwhile. Who can recommend something to me? PS: have forgotten the budget. up to 10000. Perhaps 12500. My wife says: No, so much can a car nic ht cost, max. 8000