LED headlights are becoming more common, but they’re still typically found on mid‑to‑high‑end models or top trims. With a tighter budget, most of us end up with base‑spec cars – and their halogen headlights just don’t cut it. Especially when you get flashed by oncoming high beams, you wish you could mount lasers and flash right back. So if you’re done with halogens, should you retrofit xenon or LED? This article lays it all out.
- Halogen: budget‑friendly but limited
Pros: cheap; excellent fog/rain/snow penetration thanks to lower colour temperature.
Cons: dim output; short lifespan.
Economy cars all use halogens – even premium cars still use halogens for fog lamps – because they cut through fog brilliantly, and the warmer colour reduces mist‑induced scatter, improving safety.
- Xenon: bright but bulky
Pros:
High brightness: xenon delivers 3200 lumens – the brightest retrofit option (LEDs manage just over 3000).
Safety: if a xenon lamp fails, it dims gradually rather than cutting out instantly – giving you time to pull over safely.
Lifespan: typically 3‑4 years, with good units lasting up to 5.
Cons:
Retrofitting is involved – requires a full headlight assembly replacement plus a ballast.
If your car doesn’t already have projector lenses, you’ll need to add them – otherwise, the beam scatters badly.
Noticeable start‑up delay.
- LED: efficient, responsive, but pricier
Pros:
Instant‑on: converts electricity directly to light – zero delay.
Temperature: after 20 minutes of use, around 90°C (measured).
Brightness: 100‑130 lumens per watt – 4‑6 times brighter than halogen.
Stability: very reliable and durable – think of how long household LEDs last.
Efficiency: roughly 30W – just 60% of halogen’s power draw, but 4‑6 times brighter.
Eco‑friendly: mercury‑free; xenon lamps contain mercury.
Cons:
Price: quality branded LEDs cost about 1,000 CNY per pair; separate low‑beam/high‑beam setups can run to 2,000 CNY – about double the cost of xenon.
Cooling risk: poor heat dissipation causes lumen depreciation, hurting performance.
- Bottom line
As costs fall and technology matures, halogens will disappear – xenon is a transitional technology, while LEDs and lasers are the future. Laser headlights, in particular, will become more common over time.
But lighting is a double‑edged sword – brighter isn’t always better. If you dazzle the driver coming towards you, you’re putting yourself in danger too. No matter which headlight you choose, using them responsibly is what really matters.