Search new + high quality used tires online. Size 255 40 ZR20 starting at: $53.04. Tires in stock: 75. Available brands: 14 with 26 models. All season: 31. Summer: 44. Run flat: 1. 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!