Comparing Ruthenium vs. Iridium Spark Plugs

Ruthenium spark plugs are noted for their enhanced ignition and cold start performance, making them suitable for everyday vehicles and light-duty applications. They offer a good balance between cost and durability, with an average lifespan of 60,000 to 100,000 miles. Iridium spark plugs, on the other hand, are renowned for their exceptional durability and efficiency, making them ideal for high-performance vehicles and heavy-duty machinery. They can last between 100,000 to 120,000 miles and provide reliable performance even under extreme conditions, albeit at a higher cost