Search new + high quality used tires online. Size 275 40 ZR18 starting at: $112.36. Tires in stock: 19. Available brands: 6 with 14 models. All season: 12. Summer: 7. 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!