Search new + high quality used tires online. Size 275 40 ZR18 starting at: $90.69. Tires in stock: 27. Available brands: 8 with 14 models. All season: 12. Summer: 15. Run flat: 6. 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!