Chevrolet Trailblazer Battery Size by Year
Every Chevrolet Trailblazer year we cover (2021-2026) uses a BCI Group 48 AGM battery.
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Battery by model year
| Model years | Battery | Type | CCA | Buy |
|---|---|---|---|---|
| 2021-2026 | Group 48 | AGM | 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 Trailblazer year
Choose your model year for the exact Group size, CCA, terminal layout, and the right replacement for your Chevrolet Trailblazer.
2026 Chevrolet TrailblazerGroup 482025 Chevrolet TrailblazerGroup 482024 Chevrolet TrailblazerGroup 482023 Chevrolet TrailblazerGroup 482022 Chevrolet TrailblazerGroup 482021 Chevrolet TrailblazerGroup 48
Sources. The battery size for 6 of 6 model years is checked against a cited source, most often GM OE Battery Ratings 2025 (TechLink PDF) and PowerTex. Each year page lists its own sources.
Last verified 2026-09-23. Maintained by Matan B., who runs GarageDex. How we verify.