Search new + high quality used 265 45 R21 Michelin tires online, starting at: $68.97. 265 45R21 Michelin models in stock: 5. All season: 11. Winter: 1. Summer: 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!