Search new + high quality used 225 50 R18 Michelin tires online, starting at: $71.05. 225 50R18 Michelin models in stock: 6. All season: 14. Winter: 2. Summer: 4. Run flat: 1. Selling all used tires at discount costs. All used tires go through 2 layers of inspection on specialized equipment. One year warranty + free shipping on all inventory ;) Happy shopping!