Search new + high quality used 205 50 R17 Firestone tires online, starting at: $71.43. 205 50R17 Firestone models in stock: 4. All season: 9. Winter: 5. Summer: 4.. 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!