The Buick Regal headlight bulbs sold at AutoAnything are guaranteed to be the best price available. In fact, if you find a price that is lower than we are, even up to a year after you purchase from us, we will beat it by $1. In addition, 99 percent of the Regal headlight bulb products we carry can be shipped free of charge. If you have burnt out or damaged light bulbs, we can help you replace or upgrade them.