salam,
i dont know the actual engine oil for my ride,the car is 111500km driven,still has the soundless,factory cosed engine,mileage on petrol is 9 to 11 km/l. no cng install yet.i changed the oil once as i bought 3 months ago with caltex havoline black cane.now its time to change the oil as it done 3700 km.so i want to know from oil experts what should be the engine oil for this car