1987 Buick Regal Speaker Sizes
The 1987 Buick Regal factory audio system includes specific mounting locations that accept various audio components. The dashboard accepts 3.5 inch speakers, the front door panel supports a 5.25 inch speaker size, and the rear deck lid accommodates 6x9 inch units. Full-range and midbass compatible speaker types function as a standard replacement or upgrade for the vehicle.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| 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.