Dont worry about the mileage a great deal the engines are bullet proof, i drove mine once for about 10 miles with the thermostat stuck shut and the temp gauge of the dial and the head gasket stayed intact, never once had a problem with mine although i was a low mileage example at 78k but i sold it to a mate at 120k, he split up with his mrs so sold it before she could claim half, he sold it at 130k and strangely enough decided to buy it back 6 months later once the dust had settled, he loves it too same as i did when i had it but he's put a stainless on it and a dump valve.
Id have an estate next time though so i can take me dog out, the mileage wont bother me, for 3.5k its cheap enough as a run about and a chuck away car but actually you get a lot of car for your money, mine was fully and i mean fully loaded, i took it to a volvo dealer for the cambelt change and while there they checked the history via the chassis number and when new it cost 38k in 1996, i bought it in 2000 for 12k.