Hi mr scotty I have a toyota corolla 2.0 xli 2007 model it has 175 000 kms i put the 15w40 mineral…

Hi mr scotty
I have a toyota corolla 2.0 xli 2007 model it has 175 000 kms i put the 15w40 mineral oil and i changed every 5 000 kms .
Do u think it s better to put the 10w40 semi synthetic oil for going 10 000kms and some money in maintenance?
Are there in damages in puting a semi synthetic instead of mineral oil in this vehicule?

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