Chevrolet Tahoe Battery Size by Year
The 2021-2027 Chevrolet Tahoe uses a BCI Group 94R AGM battery. 2019-2020 models use a BCI Group 94R battery; 2015-2018 models use a BCI Group 94R AGM battery, and earlier years are in the table below.
Battery by model year
| Model years | Battery | Type | CCA | Buy |
|---|---|---|---|---|
| 2021-2027 | Group 94R (some use 49) | AGM | 730-850 | Shop Group 94R |
| 2019-2020 | Group 94R | Flooded | 720-730 | Shop Group 94R |
| 2015-2018 | Group 94R (some use 48) | AGM | 730-850 | Shop Group 94R |
| 2007-2014 | Group 48 | Flooded | 660-760 | Shop Group 48 |
| 2000-2006 | Group 78 | Flooded | 700-800 | Shop Group 78 |
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 Tahoe year
Choose your model year for the exact Group size, CCA, terminal layout, and the right replacement for your Chevrolet Tahoe.
Sources. The battery size for 27 of 28 model years is checked against a cited source, most often Interstate Batteries, GM OE Battery Ratings 2025 (TechLink) and GM OE Battery Ratings 2026 (TechLink). Each year page lists its own sources.
Last verified 2026-10-08. Maintained by Matan B., who runs GarageDex. How we verify.