2009 GMC Sierra 1500 Speaker Sizes
The speaker size chart for the 2009 GMC Sierra 1500 provides factory specifications for audio system replacement components. Information covers locations including front door panels, rear door panels, center console, A-pillar, and C-pillar positions. Data includes factory speaker specifications to assist with selecting compatible aftermarket upgrade options for the audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 0.75 | Tweeter |
|
| C-Pillar | 4x6 | Full-Range |
|
| Center Console | 6.5 | Midbass / Full-Range |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 5.25 | Midbass / Full-Range |
|
2009 GMC Sierra 1500 Speaker Replacement Summary
5
total positions
2
easy to replace
1
high priority
2
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 2Replacement priority:
High: 1 Medium: 2 Low: 22009 GMC Sierra 1500 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2009 GMC Sierra 1500 features multiple speaker locations throughout the cabin, with the front door panels and center console accommodating 6.5 inch speakers that can support either midbass or full-range driver types.
- A-pillar positions accept 0.75 inch tweeters, which typically handle high-frequency reproduction when paired with larger drivers in a component speaker configuration.
- Both rear door panels and C-pillar locations provide additional sound staging options, with the rear doors supporting 5.25 inch speakers and the C-pillars accepting 4x6 inch full-range units.
- The front door panel locations might be prioritized for upgrades given their larger 6.5 inch size and compatibility with both midbass and full-range speakers, potentially offering greater impact on overall audio quality.
- Component systems could leverage the existing A-pillar tweeter locations in conjunction with the front door midbass drivers, maintaining frequency separation without requiring extensive modifications.
- The 2009 GMC Sierra 1500 radio cavity supports both single DIN and double DIN head units, providing flexibility for aftermarket audio source upgrades alongside speaker replacements.
- Full-range speakers in the C-pillar and rear door positions may contribute to rear passenger audio coverage, though their smaller sizes suggest they handle mid and high frequencies more effectively than deep bass reproduction.
- The center console speaker location offers an additional 6.5 inch position that could enhance vocal clarity or fill the soundstage between front and rear seating areas depending on the factory audio system design.