Purchase advice Volvo XC90 2.5T AWD Executive BJ 2005

Hello together I have the opportunity to purchase a Volvo XC90 2.5T AWD Ececutive BJ 2005. After a long search I found out that it is the model “Executive”, the so-called luxury version. It is the version with 7 seats. Features: Type 275 chassis 0208215 MY 2005 License plate CH Variant 2755967271 Speedometer K VIN YV1CZ595751208215 Fyon 251689584 Factory 21 Options Designation 000009 POWER SEATS,DRIVER/PASS 000142 R TI 000166 FIRST-AID KIT 000171 SPEEED SENSITIVE POWER ST 000236 LAMINATED SIDEWINDOWS 000241 Integrated telephone 000522 MAP FOR RTI,EUROPE 000595 WATER REPELLENT GLASS 000671 Dayrunning lights 900373 INSTR.BOOK FOR SWITZERL/G 998312 Executive main option 998353 RSE: DVD player, AUX, two What are the maintenance costs for this car? And what about the many luxury accessories, such as DVD device, Dolby Surround system, Navi, Xenon? I was going over the Jordan. I actually wanted a car with normal headlights and without these gimmicks in it (know it from Touareg, there was a lot of broken and I don’t want to do that anymore). I would be very happy about your answers.