What is the ideal tire size for my Toyota GR86?

I just bought a Toyota GR86 and I want to upgrade the tires. What is the recommended size for a better performance and handling?

Based on my experience, I would recommend going for a wider tire size such as 235/40R18. It will improve the grip and stability of your GR86, especially during cornering.

I've heard that using a smaller size tire, such as 215/45R17, can actually improve the agility and responsiveness of your GR86. Would recommend giving it a try.

For a balance between performance and comfort, I would suggest sticking to the stock tire size of 225/40R17. It's what the car was designed for and provides a good overall driving experience.