1989 Buick Skylark Speaker Sizes

The 1989 Buick Skylark speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations in the front door panel and rear deck lid positions. Data covers factory specifications to assist with aftermarket speaker installations and audio system modifications.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Speaker Details by Location
Location Size Type Notes
Front Door Panel 5.25 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1989 Buick Skylark Speaker Replacement Summary

2 total positions
2 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

1989 Buick Skylark Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN 7"×2" 180×50 Standard size for basic car radios with small display or no display
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 1989 Buick Skylark front door panels accommodate 5.25 inch speakers, which function as either midbass drivers or full-range units depending on the replacement components selected. This size typically allows for improved mid-frequency response and vocal clarity when compared to factory-installed units.
  • Rear deck lid positions accept 6x9 inch speakers configured as full-range drivers, providing a larger cone area than the front positions. This size difference suggests the rear speakers may contribute more to overall system output and bass response in the factory configuration.
  • The single DIN radio specification indicates a standard aftermarket head unit opening, which allows for replacement with most modern receivers that feature enhanced connectivity options and internal amplification capabilities that could better drive upgraded speakers.
  • The full-range designation for both front and rear compatible speaker types indicates that separate tweeters were likely not part of the factory audio system architecture in this 1989 Buick Skylark, suggesting that coaxial speakers might be a straightforward replacement approach for maintaining similar frequency coverage.
  • The combination of 5.25 inch front and 6x9 inch rear speakers represents a common configuration from this era, where the larger rear speakers were positioned to supplement bass output given the physical constraints of front door mounting locations.