Search new + high quality used tires online. Size 255 40 ZR20 starting at: $70.96. Tires in stock: 50. Available brands: 13 with 22 models. All season: 17. Summer: 33.. 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!