Search new + high quality used 245 40 R18 Nexen tires online, starting at: $91.55. 245 40R18 Nexen models in stock: 7. All season: 11. Winter: 6. Summer: 7.. 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!