The GMC Sierra 3500 battery sizes include: H6 (model years 2018 to 2022), H7 (model years 2015 to 2020), 78 (model years 2005 to 2007), and 75 (model years 2002 to 2006) as specified in our data below, organized by trim, option package, and model year.
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GMC Sierra 3500 Battery Size(s)
| Year |
Trim |
Battery Size Code |
Battery Size (L X W X H) Inches |
Get Here (paid link) |
| 2022 |
V8/6.6L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
Amazon |
| 2021 |
V8/6.6L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
Amazon |
| 2020 |
V8/6.6L |
H7 (94R) |
12 3/8" x 6 7/8" x 7 1/2" |
Amazon |
| 2019 |
V8/6.0L |
H7 (94R) |
12 3/8" x 6 7/8" x 7 1/2" |
Amazon |
| 2018 |
V8/6.0L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
Amazon |
| 2015 |
V8/6.0L |
H7 (94R) |
12 3/8" x 6 7/8" x 7 1/2" |
Amazon |
| 2007 |
V8/6.6L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
Amazon |
| 2006 |
V8/6.0L |
75 |
9 1/16" x 7 1/16" x 7 11/16" |
Amazon |
| 2005 |
V8/8.1L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
Amazon |
| 2004 |
V8/8.1L |
75 |
9 1/16" x 7 1/16" x 7 11/16" |
Amazon |
| 2002 |
V8/6.6L |
75 |
9 1/16" x 7 1/16" x 7 11/16" |
Amazon |
(1) The Battery Council International (BCI) uses battery group codes consisting of letters and numbers (ie. H6, T4, 24, 34r). These refer to the battery size that will best fit (physical dimensions, terminal locations and type) a specific vehicle.
Check out the Battery Size specifications for other makes and models.
2022 GMC Sierra 3500 Battery Size
The recommended 2022 GMC Sierra 3500 battery size is H6 (Height: 12 1/16" x Width: 6 7/8" x Length: 7 9/16").
2022 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.6L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
30.6 cm x 17.5 cm x 19.2 cm |
2021 GMC Sierra 3500 Battery Size
The recommended 2021 GMC Sierra 3500 battery size is H6 (Height: 12 1/16" x Width: 6 7/8" x Length: 7 9/16").
2021 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.6L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
30.6 cm x 17.5 cm x 19.2 cm |
2020 GMC Sierra 3500 Battery Size
The recommended 2020 GMC Sierra 3500 battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").
2020 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.6L |
H7 (94R) |
12 3/8" x 6 7/8" x 7 1/2" |
31.5 cm x 17.5 cm x 19.0 cm |
2019 GMC Sierra 3500 Battery Size
The recommended 2019 GMC Sierra 3500 battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").
2019 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.0L |
H7 (94R) |
12 3/8" x 6 7/8" x 7 1/2" |
31.5 cm x 17.5 cm x 19.0 cm |
2018 GMC Sierra 3500 Battery Size
The recommended 2018 GMC Sierra 3500 battery size is H6 (Height: 12 1/16" x Width: 6 7/8" x Length: 7 9/16").
2018 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.0L |
H6 (48) |
12 1/16" x 6 7/8" x 7 9/16" |
30.6 cm x 17.5 cm x 19.2 cm |
2015 GMC Sierra 3500 Battery Size
The recommended 2015 GMC Sierra 3500 battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").
2015 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.0L |
H7 (94R) |
12 3/8" x 6 7/8" x 7 1/2" |
31.5 cm x 17.5 cm x 19.0 cm |
2007 GMC Sierra 3500 Battery Size
The recommended 2007 GMC Sierra 3500 battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2007 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.6L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2006 GMC Sierra 3500 Battery Size
The recommended 2006 GMC Sierra 3500 battery size is 75 (Height: 9 1/16" x Width: 7 1/16" x Length: 7 11/16").
2006 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.0L |
75 |
9 1/16" x 7 1/16" x 7 11/16" |
23.0 cm x 17.9 cm x 19.6 cm |
2005 GMC Sierra 3500 Battery Size
The recommended 2005 GMC Sierra 3500 battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").
2005 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/8.1L |
78 |
10 1/4" x 7 1/16" x 7 11/16" |
26.0 cm x 17.9 cm x 19.6 cm |
2004 GMC Sierra 3500 Battery Size
The recommended 2004 GMC Sierra 3500 battery size is 75 (Height: 9 1/16" x Width: 7 1/16" x Length: 7 11/16").
2004 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/8.1L |
75 |
9 1/16" x 7 1/16" x 7 11/16" |
23.0 cm x 17.9 cm x 19.6 cm |
2002 GMC Sierra 3500 Battery Size
The recommended 2002 GMC Sierra 3500 battery size is 75 (Height: 9 1/16" x Width: 7 1/16" x Length: 7 11/16").
2002 GMC Sierra 3500 Battery Size(s)
| Trim |
Battery Size Code |
Battery Size (L X W X H) (Imp.) |
Battery Size (L X W X H) (Metric) |
| V8/6.6L |
75 |
9 1/16" x 7 1/16" x 7 11/16" |
23.0 cm x 17.9 cm x 19.6 cm |
GMC Sierra 3500 Battery Sizes Brought To You By AutoPadre
Battery Size Model Comparisons
GMC Sierra 3500 Battery Size Comparisons By Year