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Cadillac CT6 Battery Sizes (2016 - 2020): Battery Replacement Guide

Researched By The AutoPadre Research Team

Last Updated 2023-03-31

The Cadillac CT6 battery sizes are: H8 (model years 2016 to 2020) or H7 (model year 2019) as specified in our data below, organized by trim, option package, and model year.

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Cadillac CT6 Battery Size(s)
Year Trim Battery Size Code Battery Size (L X W X H) Inches Get Here (paid link)
2020 V8/4.2L H8 (49) 15" x 6 7/8" x 7 3/16" Amazon
2019 V6/3.0L H7 (94R) 12 3/8" x 6 7/8" x 7 1/2" Amazon
2018 V6/3.0L H8 (49) 15" x 6 7/8" x 7 3/16" Amazon
2017 V6/3.6L H8 (49) 15" x 6 7/8" x 7 3/16" Amazon
2016 L4/2.0L H8 (49) 15" x 6 7/8" x 7 3/16" 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.

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2020 Cadillac CT6 Battery Size

The recommended 2020 Cadillac CT6 battery size is H8 (Height: 15" x Width: 6 7/8" x Length: 7 3/16").

2020 Cadillac CT6 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/4.2L H8 (49) 15" x 6 7/8" x 7 3/16" 38.1 cm x 19.0 cm x 19.2 cm

2019 Cadillac CT6 Battery Size

The recommended 2019 Cadillac CT6 battery size is H7 (Height: 12 3/8" x Width: 6 7/8" x Length: 7 1/2").

2019 Cadillac CT6 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V6/3.0L 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 Cadillac CT6 Battery Size

The recommended 2018 Cadillac CT6 battery size is H8 (Height: 15" x Width: 6 7/8" x Length: 7 3/16").

2018 Cadillac CT6 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V6/3.0L H8 (49) 15" x 6 7/8" x 7 3/16" 38.1 cm x 19.0 cm x 19.2 cm

2017 Cadillac CT6 Battery Size

The recommended 2017 Cadillac CT6 battery size is H8 (Height: 15" x Width: 6 7/8" x Length: 7 3/16").

2017 Cadillac CT6 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V6/3.6L H8 (49) 15" x 6 7/8" x 7 3/16" 38.1 cm x 19.0 cm x 19.2 cm

2016 Cadillac CT6 Battery Size

The recommended 2016 Cadillac CT6 battery size is H8 (Height: 15" x Width: 6 7/8" x Length: 7 3/16").

2016 Cadillac CT6 Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
L4/2.0L H8 (49) 15" x 6 7/8" x 7 3/16" 38.1 cm x 19.0 cm x 19.2 cm
Cadillac CT6 Battery Sizes Brought To You By AutoPadre
Cadillac CT6 Battery Sizes Brought To You By AutoPadre
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