Search new + high quality used tires online. Size 275 40 ZR18 starting at: $90.41. Tires in stock: 21. Available brands: 8 with 16 models. All season: 11. Summer: 10. Run flat: 7. 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!