In short, the 2018 4Runner's headlight setup varies by trim: base models use halogen projector headlights, while higher trims offer LED headlights. Exact bulb configurations can differ by market and options, so check your owner's manual or the VIN-specific build sheet to confirm.
The 2018 4Runner is Toyota's midsize SUV that carries a few different headlight configurations across its trims. This article explains what type of headlights each trim typically uses, how to identify them, and what to consider when replacing bulbs or upgrading.
Headlight configurations by trim
Below is a broad guide to how US-spec 2018 4Runners were equipped by trim with regard to headlights. The specifics can vary by market and package, so verify with your vehicle's documentation.
- SR5, Trail (and most mid-range trims): Halogen projector headlights as the standard setup.
- Limited and TRD Pro: LED headlights as the standard option on these higher trims, with LED daytime running lights.
If you own a different market or a special edition, the configuration may differ, so consult the owner's manual or a Toyota dealership for confirmation.
What to know when replacing bulbs or upgrading
Because bulb sizes and assemblies vary by trim and market, it's important to confirm the exact bulb type for your vehicle before replacement. The owner's manual, the inside of the headlight housing, or a dealership parts specialist can provide the precise specification for your VIN.
Summary
The 2018 Toyota 4Runner's headlights are trim-dependent. Base models use halogen projector headlights, while higher trims like Limited and TRD Pro offer LED headlights. Always verify the exact configuration for your vehicle, as even within a single model year there can be regional or option-based differences. This will also guide you in replacements and potential upgrades.