A website touting the Sylvania SilverStar headlight bulb says it provides "up to 30 percent" greater visibility down the road. That sounds impressive until you read the fine print: "compared with worn ...

Cars' headlights have come a long way since charming yet potentially dangerous acetylene headlamps debuted in vintage automobiles. The later halogen headlights are still around, but the world has ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

Headlamps come in several sizes, shapes and types, as do their bulbs, which need periodic replacing. A majority of vehicles still use halogen headlamp bulbs, but a growing number come with ...

Hoping to see better while driving at night without spending a fortune, I ordered a set of LED replacement bulbs for the reflector headlights on my new Ford Ranger. Boy was it a good reminder that I ...

Our test of 10 H4 halogen bulbs reveals that the high-beam reach of the worst bulb is 60 metres shorter than the best bulb tested. Worryingly, half of the bulbs didn’t meet the minimum required ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. Automakers have embraced light ...

There is a baffling array of different aftermarket bulbs to choose from today, with prices ranging from a few quid to more than £35. So here we consider whether it’s best to go for the latest, ...

LED headlights last much longer than halogen and HID bulbs, and most advertise at least 30,000 hours of life, which adds up to around twenty years of life if used an average of four hours per night.