What is the largest tire you can put on a Mazda 3 with a stock p195.65.15?

The largest tire you can typically fit on a Mazda 3 with stock P195/65R15 tires without modifications is around 205/55R15 or 215/50R15. However, this can vary based on the specific model year and trim, as well as potential clearance issues. It's important to consider factors like wheel width, offset, and suspension setup when upgrading tire size. Always consult your vehicle's manual or a tire professional to ensure compatibility and safety.