Search new + high quality used 265 40 R20 Michelin tires online, starting at: $100.09. 265 40R20 Michelin models in stock: 7. All season: 4. Winter: 1. Summer: 39.. 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!