Search new + high quality used tires online. Size 255/50R20 starting at: $37.86. Tires in stock: 430. Available brands: 41 with 101 models. All season: 407. Winter: 16. Summer: 7.. 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!