Sales advice Avensis / Kombi

Hello! We are a young family with a child and I am now looking for/need a station wagon. I am about 2 meters tall and need a diesel. I have the following favorites: – Toyota Avensis – Opel Vectra – VW Passat – Mazda 6 I had actually thought that the corresponding car should not have been older than 3 years and should not have run more than 80,000 km. Because wouldn’t want to sit right there with reperatures. With the above criteria the Vectra would be best to get. With good hand I would probably get it for 11,000 euros. Now my questions: 1. Which of the above-mentioned models would you advise me to do? I am concerned about price performance, reliability and known problems. 2. Can the Farzeug also have run quietly 4 years old and up to 100,000 km or is that already too old / too much? Hope you can give me tips! Thank you, rose bomber4444