how much is a spark plug replacement?

16 Platinum/Iridium Spark Plugs.$560.00-$760.00..use the estimator at the top of this page,your zip code,vehicle info,work to be done.you may have your own mechanic or may not.you don't just let any shad tree work on this car.most things you have done to it will be from several hundred to a few thousand dollars.