![]() That said, there is no clear winner between HIDs and LEDs, as they perform similarly, depending on the vehicle. Where HIDs and LEDs do have an edge over halogens is in how they supply superior illumination to the sides of the road, which is an important consideration for drivers looking to expand their field of vision. Notably, Consumer Reports found that there are no differences in the forward-seeing capabilities among all three when the low beams are on - the setting used most when driving. So, when you want to replace or upgrade your headlights, which type should you go with? Although HIDs and LEDs are certainly an aftermarket favorite for their appearance, they’re not necessarily always better than halogen headlights. They’re also smaller than other types of lights, which allows for more design freedom - every manufacturer has a unique look. They don’t burn out, but they do dim over time. As for the way they work, an electric current goes through a diode or semiconductor to produce a bright light while generating far less heat than an incandescent bulb. LEDs, like HIDs, produce a white light that some drivers prefer to the standard yellow lighting of halogens. In the early 2010s, Audi began using LED lights, mostly as accent lighting to create a signature look. The most recent advances in headlight technology involve LED lighting. HIDs last longer than halogen bulbs and are more energy efficient. HIDs are usually placed behind projector-beam headlight assemblies for better focus and to reduce glare from oncoming traffic. HID illumination is three times that of halogen, making it easier for the driver to read signs and see road reflectors. ![]() This is why HID lights are often referred to as xenon headlights. Instead, they alight in the same way as a mercury vapor lamp: High-pressure xenon gas is charged amid high-voltage electrodes. HID lamps create artificial light with no filament. HID Headlightsīeginning in the 1990s, car manufacturers began gradually weaving HID headlights into their fleets. Halogens last two to three times longer than traditional incandescent lights. Where incandescent bulbs feature a tungsten filament housed in glass, halogens are more complex - the halogen filament is surrounded by a quartz capsule and filled with iodine and bromine gases, which causes the lights to burn hotter and brighter. Halogen bulbs are similar to incandescent lightbulbs, as both use a filament. Here are the differences between your three choices. When it comes to upgrading your vehicle’s bulbs, you’ll typically look at HID vs. Halogen headlights are by far the most popular, but the other two are catching on because of their superior illumination. Three types of headlights are common in passenger vehicles today: halogen, light-emitting diode (LED) and high-intensity discharge (HID).
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