Pros vs. Cons of Car LED Lights

ledLight emitting diodes, commonly referred to as LEDs, offer several advantages over standard auto light bulbs. However, all the pros and cons of car LED lights should be considered.

Road Safety

The 1157 LED bulb that is in use in most American and foreign made vehicles for taillight circuits provides greater visibility at night to significantly increase driving safety. This is due to LED bulbs having multiple diodes, as opposed to the single filament in traditional taillight bulbs. As the LED emits an array of tiny lights it makes vehicles easier to spot after dark by the drivers of following vehicles.

Energy Efficiency

LED taillights use a fraction of the energy of traditional bulbs, and therefore create much less of a draw on automotive electrical systems. In fact, LED lights are so efficient the technology is becoming increasingly common in all car lighting systems including headlights, instrument panels and interior lights. This can extend the life of car batteries, especially if LED lights are installed on vehicles that use multiple rear-end lights.

Greater Longevity

LED lights are so durable the lights can last for over 10 years. Unlike traditional incandescent bulbs, LEDs are much less susceptible to breaking as LEDs have no filament to burn out or break. Additionally, LEDs do not produce the heat of standard bulbs, which also adds to the LEDs longevity as well as protecting plastic components that can be subject to damage if heat from a standard bulb should build up. LEDs are designed to withstand severe road conditions and will remain intact even after suffering harsh road vibrations, impacts and thermal shocks that would break a traditional bulb.


Installing LED taillights is a simple process and can be done by anyone without the help of a mechanic. Many LED lights, like the 1157 LED bulb, will simple plug into the existing taillight socket.

Greater Initial Cost

While LED lights will save money in the long run, the initial purchase is significantly more than a traditional car taillight bulb. However, when the cost is calculated on a per year basis LED lights have a significantly lower cost than the older bulb technology.

More Complex Circuits

In some cases, the circuits used for LED tail lights can be somewhat more complicated as compared to the circuits of the older traditional type of car taillights. However, this is generally only an issue when replacing the entire taillight module, and not when just replacing a taillight bub.

Overall, the many advantages offered by replacing older incandescent bulbs with LED taillights far outweigh any disadvantages. As such, most vehicle manufacturers have begun integrating LED technology into all new vehicles in an attempt to provide consumers the latest technological advances.

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