facebook pixel

Buick Roadmaster Battery Sizes (1991 - 1996): Battery Replacement Guide

Researched By AutoPadre Research Team


Buick Roadmaster Battery Sizes Overview

The Buick Roadmaster battery sizes are: 78 (model years 1995 to 1996), 34/78 (model years 1993 to 1994), or 75/86 (model years 1991 to 1994) as specified in our data below, organized by trim, option package, and model year.

“As an Amazon Associate we earn a commission from qualifying purchases clicked through on this page.”

Buick Roadmaster Battery Size(s)
Year Trim Battery Size Code Battery Size (L X W X H) Inches Get Here (paid link)
1996 V8/5.7L 78 10 1/4" x 7 1/16" x 7 11/16" Amazon
1995 V8/5.7L 78 10 1/4" x 7 1/16" x 7 11/16" Amazon
1994 Wagon 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1994 Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1993 Wagon 34/78 10 1/4" x 6 13/16" x 7 7/8" Amazon
1993 Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1992 Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" Amazon
1991 Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 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.

Buick Roadmaster Battery Size

Jump To Model Year

1996 Buick Roadmaster Battery Size

The recommended 1996 Buick Roadmaster battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").

1996 Buick Roadmaster Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/5.7L 78 10 1/4" x 7 1/16" x 7 11/16" 26.0 cm x 17.9 cm x 19.6 cm

1995 Buick Roadmaster Battery Size

The recommended 1995 Buick Roadmaster battery size is 78 (Height: 10 1/4" x Width: 7 1/16" x Length: 7 11/16").

1995 Buick Roadmaster Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
V8/5.7L 78 10 1/4" x 7 1/16" x 7 11/16" 26.0 cm x 17.9 cm x 19.6 cm

1994 Buick Roadmaster Battery Size

The recommended 1994 Buick Roadmaster battery sizes are 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8") or 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1994 Buick Roadmaster Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Wagon 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm
Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1993 Buick Roadmaster Battery Size

The recommended 1993 Buick Roadmaster battery sizes are 34/78 (Height: 10 1/4" x Width: 6 13/16" x Length: 7 7/8") or 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1993 Buick Roadmaster Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Wagon 34/78 10 1/4" x 6 13/16" x 7 7/8" 26.0 cm x 17.3 cm x 20.0 cm
Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1992 Buick Roadmaster Battery Size

The recommended 1992 Buick Roadmaster battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1992 Buick Roadmaster Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm

1991 Buick Roadmaster Battery Size

The recommended 1991 Buick Roadmaster battery size is 75/86 (Height: 9 1/2" x Width: 7 1/4" x Length: 8 3/8").

1991 Buick Roadmaster Battery Size(s)
Trim Battery Size Code Battery Size (L X W X H) (Imp.) Battery Size (L X W X H) (Metric)
Standard 75/86 9 1/2" x 7 1/4" x 8 3/8" 24.0 cm x 18.0 cm x 20.1 cm
Buick Roadmaster Battery Sizes Brought To You By AutoPadre
Buick Roadmaster Battery Sizes Brought To You By AutoPadre

Side-By-Side Comparisons

Buick Roadmaster Battery Size By Year