Go for sultan k khoo. You can only find it in pindi. Isb walay aap say double paisa lain gay for meter. For engine oils a higher number means thicker oil. 20w50 is thicker than 10w40. The delo gold option is great. Also check differential oils as well as gear oil. If you want to learn more about ur suv check the 80 series discussion thread. It has a lot of info on what to do (and what not to). Try to get the manual for your rig. Would be more helpful