Search new + high quality used tires online. Size 255 40 ZR20 starting at: $44.65. Tires in stock: 156. Available brands: 18 with 39 models. All season: 59. Summer: 97. Run flat: 6. 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!