Is LED or HID better for headlights?
LED headlight bulbs are better and brighter for reflector lenses, while HIDs are better and brighter for vehicles with projector lenses. Although the science behind this is quite complex, the important thing to remember is that you get the appropriate technology for your type of headlight for the best results.
Why are LED headlights bad?
Cons of LED Headlights
The glare associated with LED headlights is one of the biggest disadvantages of this technology. The glare can get so bad that it could affect other people on the road. Experts also worry that it can cause long-term retina damage. Also, LED headlights are more expensive than halogen lights.
Which is brighter 6000k or 8000k?
The higher you go in the Kelvin Rating, you get more color in the light in exchange for visibility. So 6000k will be just slightly brighter than 8000k and 8000k will be slightly brighter than 10000k and so on but they will have more and more color to them.