Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 226. Available brands: 50 with 108 models. All season: 152. Winter: 31. Summer: 43. Run flat: 17. 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!