GMC Terrain
Pick Car Bulbs
Specify make, year and model to find matching bulbs:
Select Year
The GMC Terrain is a compact SUV with multiple model years and trim combinations, which means bulb fitment can vary from one year to the next. This model page is designed to help you narrow down the right year page before you buy replacement headlights, taillights, fog lights, turn signals, brake lights, or interior bulbs.
If you own a 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, or 2010 GMC Terrain, use the year-specific page for exact bulb sizes and fitment details. The year pages are where you will find the precise bulb chart for your Terrain, while this model page gives you the overview you need to get to the correct match faster.
Because GMC Terrain lighting can differ by year, trim, package, and headlamp style, it is best to confirm the exact model year before ordering any replacement bulb. Even when two Terrains look similar, the bulb type may change due to factory options such as halogen or LED lighting, projector-style headlights, fog lamp availability, or different rear lamp designs. Use the year page that matches your vehicle identification and trim level to avoid ordering the wrong bulb.
FAQ
Why should I use a year-specific page for my GMC Terrain bulbs?
Year-specific pages give the exact bulb sizes and fitment for that model year. On the GMC Terrain, lighting parts can change between years, so the model page is only a starting point. Once you know your year, the year page will show the correct bulb chart.
Do all GMC Terrain model years use the same bulbs?
No. The 2010 through 2023 GMC Terrain lineup includes changes in headlight design, rear lamp layout, and available lighting packages. Those changes can affect bulb fitment, so the exact bulb size should always be confirmed on the matching year page.
How do I know which GMC Terrain year page to open?
Start with your vehicle’s model year from the registration, title, door jamb label, or VIN. Then open the corresponding year page on bulbsize.org. For example, a 2017 Terrain should use the 2017 page, while a 2021 Terrain should use the 2021 page.
Can trim level affect bulb fitment on a GMC Terrain?
Yes. Trim level and factory options can change the lighting setup. Some trims may have different headlamp assemblies, fog lights, or rear lamp configurations, which can alter the bulb type. That is why exact fitment is listed on the year page, not the model page.
What if my GMC Terrain has LED headlights or other factory lighting options?
Factory LED or upgraded lighting packages can change what can be replaced with a bulb and what is part of a sealed assembly. The year page helps you identify whether your Terrain uses a replaceable bulb or a different lighting unit for that specific position.
Are the front and rear bulbs listed separately on the year pages?
Yes, the year pages are meant to help you find bulbs by lighting location, such as headlights, parking lights, turn signals, brake lights, reverse lights, and interior lights. That makes it easier to match the exact bulb to the correct position on your Terrain.
What should I do if I am not sure whether my Terrain is 2016 or 2017?
Check the vehicle documents or the VIN before buying bulbs. Small styling updates between years can change bulb fitment, so guessing can lead to the wrong part. Once the year is confirmed, use the matching year page for the exact bulb sizes.
Does the GMC Terrain page cover both first-generation and second-generation models?
Yes, this model page covers the Terrain years from 2010 through 2023. That range includes different generations and refreshes, which is another reason to move from the model page to the correct year page for exact bulb information.
Can I use the same bulb size from a similar GM SUV?
Not safely. Even vehicles that share a platform or look similar may use different bulb sizes or different lamp assemblies. Always use the GMC Terrain year page instead of assuming another GM model will match.
What lighting locations should I check when replacing bulbs on my Terrain?
Common locations include low beam, high beam, daytime running lights, fog lights, front turn signals, side markers, brake lights, tail lights, reverse lights, license plate lights, and interior dome or map lights. The year page will help you identify the correct bulb for each location.
Why does bulb fitment sometimes change within the same GMC Terrain generation?
Manufacturers often update lighting hardware during a generation, especially after a refresh or trim change. That means a 2018 Terrain and a 2020 Terrain may not share the same bulb setup. The year page is the best place to verify the exact fitment for your specific vehicle.
What is the safest way to buy replacement bulbs for my GMC Terrain?
First confirm the model year, then check the year-specific bulb chart for your Terrain. Match the bulb type to the exact lighting position and compare it with your current setup before ordering. This reduces the chance of buying the wrong bulb or a bulb that does not fit your housing.