Search new + high quality used tires online. Size 255 40 R20 starting at: $51.4. Tires in stock: 376. Available brands: 24 with 93 models. All season: 215. Winter: 22. Summer: 139. Run flat: 20. 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!