What is the biggest rims I can fit on my 03' Saab 9-5?

For a 2003 Saab 9-5, the largest rims you can typically fit are 19 inches in diameter, but this can depend on the specific model and any modifications made to the vehicle. It's important to ensure that the width and offset of the rims are compatible with your car to avoid rubbing against the suspension or brake components. Additionally, consider the tire size to maintain proper handling and speedometer accuracy. Always consult with a professional or refer to specific guidelines for your vehicle model before making a purchase.