The best replacement for halogen headlights is xenon headlights.

The best alternatives to halogen headlights are rated as following:
★★★★★  xenon headlights
★★★  led headlights
★★  hid
★★  xenon
★  incandescent
★  regular headlights
★  hid headlights

Your alternative for halogen headlights is not listed? Suggest!
Speaking about halogen headlights, one probably shouldn't forget about xenon.

Other search terms related to halogen headlights and their ratings are:
★★★★★ xenon
You have in mind a companion for halogen headlights and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of halogen headlights in all years. Click on graph for more.
halogen headlights
xenon headlights
led headlights