Search new + high quality used tires online. Size 255 40 R20 starting at: $68.47. Tires in stock: 124. Available brands: 12 with 29 models. All season: 75. Winter: 1. Summer: 48. 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!