Search new + high quality used tires online. Size 275 40 ZR18 starting at: $52.13. Tires in stock: 39. Available brands: 12 with 23 models. All season: 13. Summer: 26. Run flat: 10. 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!