I've done a bit of research (sometimes painful) and can now identify the four main areas to be addressed with Volvo wheels (rims).
Stud pattern, offset, centre bore and stud size. Get the stud pattern and offset right and the centre bore wrong and you are still in trouble. The Standard Volvo pattern used for FWD / AWD from 1990's is: PCD: 5x 108 or 5x 4.25 inches, Wheel Offset: 35 to 50mm and Centre Hub Bore: 65.1.
While the XC90 has the same PCD: 5x 108 or 5x 4.25 inches and Wheel Offset: 35 to 50mm the Centre Hub Bore is: 67.1mm so significantly larger than the 65.1.
The S40, V50 and C30 from 2004 onwards has the same PCD: 5x 108 or 5x 4.25 inches and Wheel Offset: 35 to 50mm but the Centre Hub Bore is: 63.4mm so a little bit smaller.
It now appears the all post 2008 V70T6, S80, XC70,S60 and V60 have the same smaller Centre Hub Bore of 63.4mm.
Also the latter model Volvos have a 14mm wheel bolt instead of the previous 12mm.
|Model||Stud pattern||Offset||Centre Hub Bore|
|850, S70, V70, S60, XC70||5x108 / 5x4.25||35-50mm||65.1mm|
|850||4x108 / 4x4.25||35-40mm||65.1mm|
|XC90 (2003-2013)||5x108 / 5x4.25||35-50mm||67.1mm|
|S40, V50, C30 (2004-2013)||5x108 / 5x4.25||35-50mm||63.4mm|
|V70T6, S80, XC60, S60, V60 (2008-2014)||5x108 / 5x4.25||35-50mm||63.4mm|
|144, 164, 240, 244, 245, 262, 264||5x108 / 5x4.25||10-20mm||65.1mm|
|440, 460, 480 (1986-1997)||4x100 / 4x3.94||35-45mm||52.1mm|
So if you want to mix and match you will need to get Hub Centric Rings to suit (of course you can only go down not up so you can not fit the 63.4 mm Centre Hub Bore rims onto early Volvos with the 65.1mm Centre Hub Bore).
The following are the sizes in Hub Centric Rings you will need 67.1 to 65.1mm, 67.1 to 63.4mm or 65.1 to 63.4mm.
While it may not look a huge difference in size you will get significant imbalance making the car un-driveable and since Volvo use bolts instead of fixed studs it is impossible to even try to centre the wheel (plus one bump and they will go off centre).
Hope this helps and stops you having the same problems I have experienced.