Why the swing? There are several factors at work. We recently tested two affordable cars that came with standard LED headlights: the 2019 Mazda3 and the 2020 Toyota Corolla. Now LEDs are more common than HID headlights, in much the same way that LED lights for the home have bypassed traditional CFLs (compact fluorescent lamps), and they're popping up even in mainstream cars, SUVs, and trucks. "Car shoppers need to think about headlights as a safety feature in the same way they think about brakes or even seatbelts." "Yes, they're stylish, but drivers need lights that will make them safer, and not just make a fashion statement," Stockburger says. The problem for many consumers is that they're paying more for the LEDs but not getting much bang-if any-for that extra buck, says Jennifer Stockburger, director of operations at the Consumer Reports Auto Test Center. But in CR's testing, we discovered that these new lights don't offer any more illumination than traditional halogen and/or high intensity discharge (HID) headlights. LEDs are small and can be used in a string of lights, giving car designers more leeway in how the headlights look. Of the 2019 models we've tested, 86 percent had LEDs. At Consumer Reports, 55 percent of the 2018 models we tested had LED headlights. Automakers have embraced light emitting diodes (LEDs) in headlights, and their use is becoming more widespread.
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