aoa seniors..need help and expert opinion..i hv 2011 model Gli 1.6 auto..72k driven..till now yes..1st owner poured 10w30 oil frm toyota walton till 50k kms..aftr that 2 oils of 20w50 poured by toyota walton..nw i hv purchased this car..i wnt tht car milage is less, why i give it heavy engine oil..
1) can i change back to 10w30?
2) or if keepng in mind 20w50 heavy oil, now fully synthetic 5w40 or 10w40 would b more suitable options?
3) at 72k kms now, i wnt to change its ATfluid WS type..how mch quantity vl b needed and which one is best now in the markt..i am residnt at rwp..senior members @xulfiqar & @haseeb basharat plz need ur special attention..regards
dr.waqar