1987 Buick Riviera Speaker Sizes
The 1987 Buick Riviera factory audio system incorporates specific locations for sound reproduction. Front door panels accommodate 4x6 inch speakers, while the rear deck lid accepts a 6x9 inch speaker size. Full-range transducers serve as a suitable replacement and upgrade for the vehicle.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 4x6 | Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
1987 Buick Riviera Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 01987 Buick Riviera 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 front door panel speakers in the 1987 Buick Riviera use a 4x6 inch configuration, which was a common factory size for front locations during this period. This rectangular format typically offers better space efficiency in door panels compared to round speakers, though the smaller surface area may limit low-frequency output relative to larger alternatives.
- Full-range speakers are specified as compatible for both front and rear locations, suggesting that these positions were designed to handle the entire audio spectrum without separate tweeters or component systems. This single-driver approach tends to simplify installation while potentially limiting the separation of high and low frequencies that component speakers might provide.
- The rear deck lid position accommodates 6x9 inch speakers, which represents a substantial increase in cone area compared to the front 4x6 inch units. This size difference may have been intended to provide additional bass response from the rear location, as 6x9 speakers generally move more air and can reproduce lower frequencies more effectively than smaller formats.
- Replacing the factory speakers in the 1987 Buick Riviera could yield noticeable improvements in clarity and frequency response, particularly if the original units have degraded over time. The full-range designation for both positions means that aftermarket replacements in the same size categories should integrate without requiring extensive modifications to the existing mounting locations or wiring harnesses.
- The single DIN radio opening indicates standard head unit compatibility, which may influence upgrade paths if enhanced audio control or power output is desired. A more powerful aftermarket head unit could better drive replacement speakers and potentially improve overall system performance beyond what speaker replacement alone might achieve.