Search new + high quality used tires online. Size 275 40 ZR18 starting at: $52.13. Tires in stock: 33. Available brands: 13 with 20 models. All season: 10. Summer: 23. Run flat: 5. 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!