Search new + high quality used 275 45 R20 Bridgestone tires online, starting at: $55.23. 275 45R20 Bridgestone models in stock: 6. All season: 27. Winter: 12. Summer: 4. Run flat: 25. 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!