Search new + high quality used tires online. Size 255 40 ZR20 starting at: $68.47. Tires in stock: 26. Available brands: 10 with 13 models. All season: 8. Summer: 18.. 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!