Search new + high quality used 255 45 R20 Goodyear tires online, starting at: $31.53. 255 45R20 Goodyear models in stock: 15. All season: 50. Summer: 45. Run flat: 5. 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!