Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 296. Available brands: 56 with 154 models. All season: 191. Winter: 39. Summer: 66. Run flat: 21. 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!