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Forward Lighting
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Exterior Lighting
- Back Up Light Bulb » 921
- Brake Light Bulb (w/halogen capsule headlamps) » 2357
- License Plate Light Bulb » 168
- Parking Light Bulb (w/halogen capsule headlamps) » 2357A
- Side Marker Light Bulb Front » 168
- Tail Light Bulb (w/halogen capsule headlamps) » 2357
- Turn Signal Light Bulb Front » 2357A
- Turn Signal Light Bulb Rear » 1156A
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Interior Lighting
2018 Hyundai Sonata Headlight Bulb Size
Hyundai gave the Sonata a meaningful mid-cycle facelift for 2018, introducing the signature cascading grille design and completely restyled headlight housings that delivered a notably more upscale appearance. The 2018 hyundai sonata headlight bulb size is H11 for the low beam and 9005 (HB3) for the high beam, with H11 fog light bulbs on equipped trims. Under the hood, the 2.4-liter engine gained a new 8-speed automatic transmission replacing the previous 6-speed, improving both refinement and fuel economy. Owners searching for 2018 hyundai sonata led headlights will find that the redesigned housings look particularly striking when lit with bright white LEDs.
The SE trim continued with halogen projector headlights, while the SEL, Sport, and Limited received factory LED units in the new housing design. Despite the exterior refresh, the bulb fitments remained H11 and 9005 across all halogen-equipped models, ensuring full compatibility with the same LED and HID kits that fit the 2015-2017 Sonata.
LED and HID Headlight Upgrades for the 2018 Hyundai Sonata
The 2018 facelift gave the Sonata headlights a sharper, more sculpted shape that was clearly designed with LED lighting in mind. Installing an H11 LED bulb in the new housing produces a result that looks remarkably close to the factory LED setup on higher trims. The wider aperture and updated reflector geometry respond well to the focused beam pattern of a quality LED kit.
Because the 2018 Sonata uses H11 for both the low beam and fog light, upgrading all four positions with the same LED bulb delivers a completely uniform white output across the front of the car. No mismatched color temperatures, no yellow fog lights clashing with white headlights -- just a clean, cohesive look from corner to corner.
HID xenon kits remain available for owners who prioritize maximum raw beam distance over ease of installation. The Sonata's spacious engine bay provides ample room for ballast mounting. Every HID Nation kit ships free and carries a lifetime warranty, so the upgrade is entirely risk-free.
Frequently Asked Questions
What headlight bulb size does a 2018 Hyundai Sonata take?
The 2018 Hyundai Sonata uses an H11 bulb for the low beam, a 9005 bulb for the high beam, and an H11 bulb for the fog lights. The SE trim has halogen projectors. The SEL, Sport, and Limited trims come with factory LED headlights in the redesigned housing.
Did the 2018 Sonata facelift change the headlight bulb size?
No. Although the 2018 facelift introduced completely new headlight housings with a more sculpted design, the bulb fitments remained unchanged. The low beam is still H11 and the high beam is still 9005, the same as the 2015-2017 Sonata. LED and HID kits that fit the earlier models will also fit the 2018.
What is the cascading grille on the 2018 Sonata?
The cascading grille is Hyundai's signature design language introduced on the 2018 Sonata facelift. It features a wider, more flowing grille shape that ties into the redesigned headlight housings for a more premium look. Pairing the new grille with LED headlights completes the upscale transformation that Hyundai's designers intended.
Does the 2018 Sonata use the same fog light bulb as the headlight?
Yes. The 2018 Hyundai Sonata uses H11 in both the low beam headlight and the fog light. This makes upgrading straightforward -- the same H11 LED bulb works in both positions. Matching your headlight and fog light color temperature gives the front end a cohesive, factory-finished appearance.
Is the 2018 Sonata 8-speed transmission more refined than the old 6-speed?
Yes, the new 8-speed automatic on the 2018 Sonata's 2.4-liter engine delivers smoother shifts, better highway fuel economy, and quieter cruising compared to the outgoing 6-speed. Combined with the updated exterior styling, the 2018 feels like a more substantial upgrade than a typical mid-cycle refresh. LED headlights add the finishing touch to a car that already looks and drives a class above its price point.