2020 GMC Acadia Speaker Sizes

The 2020 GMC Acadia speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes locations in the dashboard, front door panel, and rear door panel. Data assists with identifying compatible speakers when modifying or replacing original equipment components.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Speaker Details by Location
Location Size Type Notes
Dashboard 2.5 Midrange
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2020 GMC Acadia Speaker Replacement Summary

4 total positions
2 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 2 Medium: 2 High: 0

Replacement priority:

High: 1 Medium: 3 Low: 0

Additional Notes

  • The front and rear door panel locations in the 2020 GMC Acadia share the same 6.5 inch sizing, which may suggest that replacement speakers of the same model could potentially work across both door positions without requiring separate purchases of different sizes.
  • The dashboard positions appear to support two distinct sizes, 2.5 inch and 3.5 inch, where the smaller of the two is limited to midrange operation, while the larger may accommodate full-range reproduction across a wider frequency spectrum.
  • The 6.5 inch door panel speakers are listed as compatible with both midbass and full-range types, which could indicate some flexibility in choosing between a dedicated midbass driver for low-mid frequency focus or a full-range unit for broader frequency coverage in those positions.
  • Given that the dashboard positions are relatively small in size, they would likely handle higher frequency content more effectively, while the 6.5 inch door panel locations could be better suited to carry the lower midrange and bass frequencies, suggesting a natural frequency division across the vehicle.
  • Replacing the door panel locations might be considered a higher priority for overall sound improvement, as the 6.5 inch size generally allows for greater cone area and potentially more capable low-frequency and midrange output compared to the smaller dashboard positions.