What is the most effective way to prevent rust on the Audi A8's body?

I recently bought an Audi A8 and I want to keep it in pristine condition. However, I live in an area with harsh weather conditions and road salt in the winter. What can I do to prevent rust from appearing on the exterior of my car?

The best way to prevent rust on your Audi A8 is to keep it clean and protected. After driving in harsh conditions, make sure to wash your car and dry it thoroughly to remove any salt or debris. You can also apply a coat of wax to create a barrier between your car's paint and the elements.

Invest in a high-quality car cover to protect your Audi A8 from harsh weather and road salt. Covering your car when it's parked can greatly reduce the risk of rust developing on the exterior.