2004 GMC Sierra 3500 Speaker Sizes
A speaker size chart for the 2004 GMC Sierra 3500 displays factory audio specifications and locations within the vehicle. Information includes speaker sizes and positions for replacement or aftermarket upgrade purposes. Specifications cover multiple locations including front door panel, rear door panel, center console, and a-pillar positions. Data supports planning for audio system modifications.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Center Console | 6.5 | Midbass / Full-Range |
|
| Front Door Panel | 6.75 | Midbass / Full-Range |
|
| Rear Door Panel | 4x6 | Full-Range |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.75 | Midbass / Full-Range |
|
2004 GMC Sierra 3500 Speaker Replacement Summary
6
total positions
4
easy to replace
1
high priority
1
professional only
Replacement difficulty:
Low: 4 Medium: 1 High: 1Replacement priority:
High: 1 Medium: 4 Low: 12004 GMC Sierra 3500 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 front door panels on the 2004 GMC Sierra 3500 accommodate 6.75-inch speakers, which represent the largest available mounting locations and would typically be prioritized for aftermarket replacement to achieve the most substantial audio improvement.
- Multiple locations throughout the cabin accept tweeter installations, including the A-pillars and rear door panels with 1-inch mounting points, allowing for enhanced high-frequency response when paired with larger midbass or full-range drivers.
- The rear door panels feature a dual-speaker configuration with both 4x6-inch full-range and 6.75-inch midbass/full-range mounting options, plus 1-inch tweeter locations, providing flexibility for component system installations.
- Center console placement of a 6.5-inch speaker location offers an additional audio staging option, though this position may present imaging challenges compared to the standard door-mounted configurations.
- Full-range speakers can be installed in the 4x6-inch, 6.5-inch, and 6.75-inch positions, while dedicated midbass drivers are compatible with the two larger sizes, enabling either simple replacements or more complex component system builds.
- The factory radio openings support both single DIN and double DIN head units, providing compatibility with a wide range of aftermarket receivers without requiring dash modifications or adapter kits.