Long time lurker....
2005 Volvo XC70 (2.5l turbo inline 5 cyl). 44,000 miles. Factory recommends 5w-30 (or 10w-30 if over 86F) and a 7,500 mile OCI. Previous owner had the dealer do the oil changes so it was probably 5w-30 dino oil. They were a little tardy on some of the changes, there was one...