1987 Buick Regal Speaker Sizes
The 1987 Buick Regal speaker size chart provides factory specifications for audio system replacement and aftermarket upgrade. Data includes speaker locations throughout the interior: dashboard, front door panel, and rear deck lid. Information covers factory speaker specifications to assist with aftermarket audio system component replacement and upgrade planning.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 3.5 | Full-Range |
|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
1987 Buick Regal Speaker Replacement Summary
3
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 0Replacement priority:
High: 1 Medium: 2 Low: 01987 Buick Regal 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 1987 Buick Regal features three distinct speaker locations with varying size requirements, suggesting a tiered approach to audio upgrades based on listening priorities and budget constraints.
- Dashboard speakers at 3.5 inches represent the smallest openings in the factory configuration, limited to full-range driver compatibility without provisions for component separation.
- Front door panel openings accommodate 5.25 inch speakers with dual compatibility options, allowing installation of either dedicated midbass drivers or full-range units depending on system design goals.
- Rear deck lid positions utilize 6x9 inch oval speakers restricted to full-range applications, potentially serving as the primary bass output in the stock arrangement given their larger cone area.
- The front door locations may offer the most significant acoustic improvement potential due to their flexibility in accepting midbass-specific drivers that could integrate with separate tweeters in a component configuration.
- Upgrading the 6x9 rear speakers might provide noticeable low-frequency enhancement given their substantial surface area compared to the smaller dashboard and door units.
- The single DIN radio specification indicates a standard head unit opening that maintains compatibility with most aftermarket receivers without requiring dash modification.
- The absence of component speaker compatibility in dashboard and rear positions suggests these locations rely on single-driver solutions to reproduce the full frequency spectrum.