GMC Terrain (2nd gen, 2018–2025) — choose year
GMC Terrain 2nd gen — select a year for factory specs, brake and fluid guides, and upgrade-friendly maintenance references.
2018
2018 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2019
2019 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2020
2020 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2021
2021 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2022
2022 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2023
2023 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2024
2024 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.
2025
2025 GMC Terrain (2nd gen) — manual downloads and performance-minded service guides.