my personal recommendations goes to imported oils bought from the original dealers.
HIGH GRADE OILS
Liqui Moly 0/40
first time change it after 5k, but next time 10k for sure. But change filters after 5k.
zic xq
its high grade oil but just give it a try if its suits your car well.
first time change it after 5k, but next time 8k for sure. But change filters after 4k.
PTT Performa 0/40, super synthetic
first time change it after 5k, but next time 8k for sure. But change filters after 4k.
OPTIONS NEXT TO HIGH GRADE OILS ARE
Liqui Moly synthoil 5/40
first time change it after 5k, but next time 8k for sure. But change filters after 4k.
Ptt performa fully aynthetic 5/40
first time change it after 4k, but next time 6k for sure. But change filters after 4k.
GS Kixx's 5/40 tin pack oil
first time change it after 4k, but next time 5k for sure.
Zic ow 0/30
its good oil too.
all the best.