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> Advantages of LED Lights for your Vehicle

Advantages of LED Lights for your Vehicle

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Upgrading your automotive lights can provide substantial benefits such as increased visibility and safety while driving at night. In the last several years, LED lights have emerged as a popular upgrade to stock halogen light bulbs. What makes an LED light bulb better than your original equipment? We’ll examine the advantages below.

What is an LED Light Bulb?

Image of Halogen Light Bulb
A standard halogen headlight bulb.

Light bulbs have followed a similar style of construction since their invention: a filament inside of an enclosed glass envelope containing some kind of gas. When the filament receives power, it burns and produces illumination. Compared to other light bulb designs, they are relatively inexpensive to produce. For this reason, vehicles are usually equipped with halogen light bulbs which are constructed with this traditional design.

Image of LED Headlight Bulb
An LED Headlight bulb replacement.

LED stands for light emitting diode. Rather than a filament burning in a gas-filled chamber, LEDs produce light when sufficient voltage is applied to the leads on the diode, resulting in illumination through a process called electroluminescence. Explaining this process would be an article in itself, but its benefits as an alternative to traditional light sources are easy to explain.



Perhaps the most important advantage an LED light bulb has over a traditional light bulb is its innate efficiency in converting electricity into visible light. A traditional light bulb only turns approximately 3% of the electricity it receives into visible light. The remaining 97% becomes heat energy which does nothing to help with illumination. On the other hand, an LED light converts about 90% of the energy it receives into visible light with only 10% given off as heat waste. This means that an LED light bulb can produce substantially more illumination per watt than a comparable halogen bulb.

Long Lasting

LED Light Chip
A close up view of an LED lighting array

A bulb uses a filament contained within a gas inhibitor to resist incoming current, creating light as a byproduct of that resistance. Why does that matter? Essentially, the filament is on fire inside of that contained system. If there is anything impacting how it burns — whether conditions be too hot or too cold — the traditional bulb will fail and need to be replaced. While halogen technology has advanced to the point that this filament can last upwards of 1500 hours, LED lights far exceed this lifespan. The reason for this is that an LED does not require an additional inhibitor to prevent itself from burning up. The semiconductors that comprise the diode itself act as the inhibitor. The only other regulator it needs (other than the semiconductor) is the amount of current. This is one of the easiest elements of an electrical system to control and by far the most predictable. The result is a design that is less prone to failure and which has an extremely long lifespan,
often in excess of 25,000 hours.

Image of LED Offroad Lightbar
LED lightbars mounted on both the top and front bumper of a tacoma


Since an LED light eschews the traditional glass bulb format, it is considerably more damage resistant than traditional lights and can, therefore, endure more punishment from vibration, impacts, and other environmental hazards. It is for this reason that off-road vehicles are often equipped with LED light bars. Where halogen and HID light bulbs would be prone to frequent breaking due to the rigors of off-road travel, the sturdy LED light can withstand abuse and keep on shining.

LED Light Colors and Applications

Image of Colored LED Lightbar
A colored LED light bar mounted on an aftermarket bumper

While halogen bulbs are usually limited to emitting standard off-white light, LED lights offer a wider array of light color options than any other lighting style including HID. This combined with their ruggedness and compact design has made the LED light strip a popular way of customizing vehicles. These customizable strips of lighting can be added to the underside of a vehicle to illuminate the ground at night or provide a distinct custom look. It’s also not uncommon to see LED light strips applied to the inside of wheels or along the back of a truck under the bed for additional visibility at night to other drivers. Even if you prefer to keep your stock halogen headlights, you can use colored LEDs to add character to your interior lights or to replace your turn signals, reverse lights and other external bulbs, conserving the draw on your vehicle’s electrical system along the way.

Potential Drawbacks

LED lighting is relatively new compared to previously established technologies and costs more to produce. This means that LED lights are more expensive than their halogen equivalents. However, this investment pays off over time thanks to the longevity of the LED light design. LED lights also have a specific optimal temperature range in which they operate most efficiently (around 77 F). The further away from that temperature, the less efficient the LED light can operate.  With that being said, many aftermarket LED light replacements for common applications such as headlights and foglights are equipped with fans and heatsinks to keep the LED at its optimal operating temperature.

One final area of concern to address is that most OEM headlight housings are optimized for halogen bulbs. An LED light installed into this housing can create a distracting glare for oncoming drivers. For this reason, it may be necessary to replace or modify your light bulb housing in order to use an LED light properly.

If you’re looking for a lighting solution for your vehicle that combines efficiency, improved illumination, and a variety of color options, LED lights are a great choice. Contact our professional sales staff with any questions about LED light bars or bulbs today!