Search new + high quality used tires online. Size 255 40 ZR20 starting at: $76.35. Tires in stock: 34. Available brands: 10 with 20 models. All season: 10. Summer: 24.. 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!