pre-owned car VW Tiguan SE 71,000 Miles $15,000 OTD , worth buyi

Certified 2009 Volkswagen Tiguan FWD 4dr SE  Mileage: 71,000, in carfax previous owner  says corporate owner, in the past three years and one month,23,000 miles per year, dealer offer OUT THE

DOOR PRICE $15000 in southern california, is it worth buying??

someone told me that 德國車（安全、維修保養成本很高、貶值快）德國車還是買新一點的吧，比如5年以內
，6w邁以內的，過了10w mile 就別考慮了

thank you very much for your input first