The best HID headlights are usually more luxurious products, but we've picked out the best for different budgets here. Unlike traditional halogen headlight bulbs that burn out with around 500 ...

These bulbs are filled with xenon gas, making them much brighter than halogen lights. They produce a very bright and clear white light, ideal for night drives and are more energy-efficient than ...

That sounds impressive until you read the fine print: "compared with worn standard halogen" bulbs. Still, such claims are making premium-priced halogen bulbs an alluring choice for drivers.

You can also buy halogen bulbs that contain some Xenon for a whiter/bluer light. HID/Xenon bulbs use a different technology to halogens. Instead of relying on a filament they use an electric arc ...