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 德国车（安全、维修保养成本很高、贬值快）德国车还是买新一点的吧，比如5年以内
，6w迈以内的，过了10w mile 就别考虑了

thank you very much for your input first