Search new + high quality used tires online. Size 235/45R18 starting at: $36.1. Tires in stock: 507. Available brands: 45 with 140 models. All season: 465. Winter: 24. Summer: 18.. 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!