Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 248. Available brands: 57 with 122 models. All season: 160. Winter: 36. Summer: 52. Run flat: 16. 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!