You can find some cars on the way is much brighter than standard halogen bulbs, so why different between 12v 55w led bulb and 55w halogen bulb? 55w led bulb really equals 55w? The answer is no.

After testing, 12v 55w led bulb can reach 1800lm-2200lm, so the lumen output is much bigger than 12v 55w halogen bulb because the luminous of 12v 55w halogen bulb is about 1500lm.

In the fact, 55w 12v led bulb shall be the same as 70w-100w halogen bulb.