Search new + high quality used tires online. Size 285 40 R20 starting at: $95.98. Tires in stock: 33. Available brands: 5 with 13 models. All season: 15. Winter: 4. Summer: 14. Run flat: 3. 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!