GMC Terrain Battery Size by Year
The 2025-2026 GMC Terrain uses a BCI Group 47 AGM battery. 2018-2024 models use a BCI Group 48 AGM battery; 2010-2017 models use a BCI Group 48 battery.
Battery by model year
| Model years | Battery | Type | CCA | Buy |
|---|---|---|---|---|
| 2025-2026 | Group 47 | AGM | 600-680 | Shop Group 47 |
| 2018-2024 | Group 48 | AGM | 660-760 | Shop Group 48 |
| 2010-2017 | Group 48 (some use 47) | Flooded | 660-760 | Shop Group 48 |
Match the group and type on the battery you are removing. Shop links go to Amazon, and we may earn a commission at no extra cost to you. Open your exact year below for CCA, terminals and our sources.
Every Terrain year
Choose your model year for the exact Group size, CCA, terminal layout, and the right replacement for your GMC Terrain.
Sources. The battery size for 17 of 17 model years is checked against a cited source, most often Interstate Batteries, Batteries Plus and GM OE Battery Ratings 2025 (TechLink PDF). Each year page lists its own sources.
Last verified 2026-09-23. Maintained by Matan B., who runs GarageDex. How we verify.