Xc90 mpg

[biggbn]

Probably been done to death, but these wonderful tanks are creeping below 3k now, so are looking tempting to me...much more likely to have been looked after than an x5 I would think? Looking for advice in real world mpg. My commute is 90% motorway with cruise on at 55mph or maybe 60 if I'm late....I know, I know, boring auld git. Is 30-35mpg achievable at these kind of speeds. I have not sold my present cars yet but feel the need for another Volvo, was looking at another c70 or s80 but always loved the big xc90. World prefer a manual which I'm sure helps economy? Opinions amd experience welcome, thanks in advoance for any responses. Also, anything to watch out for at cheaper ends of market. No stranger to buying used cars, I know the risks. I remember bob dibble (on this forum) telling me there was a known issue with oil leak from...I can't remember where? I do like x5 also but they will likely have had a much less sympathetic owner he said applying stereotype after stereotype!!