Search new + high quality used tires online. Size 255 40 R20 starting at: $47.99. Tires in stock: 173. Available brands: 14 with 52 models. All season: 96. Winter: 11. Summer: 66. Run flat: 19. 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!