2018 Chevrolet Sonic Speaker Sizes

The 2018 Chevrolet Sonic speaker size chart provides factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Available data includes speaker positions in the a-pillar, front door panel, and rear door panel. Information covers stock configurations to assist with identifying compatible aftermarket speakers for audio system modifications.

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Speaker Details by Location
Location Size Type Notes
A-Pillar 1 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
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

2018 Chevrolet Sonic Speaker Replacement Summary

3 total positions
2 easy to replace
1 high priority
1 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 1

Replacement priority:

High: 1 Medium: 1 Low: 1

Additional Notes

  • The A-pillar locations in the 2018 Chevrolet Sonic measure at 1 inch, which is a size typically associated with tweeter-only installations, suggesting these positions may not accommodate larger driver types.
  • The tweeter-specific A-pillar placement could indicate that high-frequency reproduction is handled separately from the mid and low frequencies, pointing toward a factory configuration that separates the sonic spectrum across multiple speaker positions.
  • Both the front and rear door panels share the same 6.5 inch sizing, which may allow for a degree of consistency when selecting replacement drivers across all four door locations.
  • The 6.5 inch door positions support either midbass or full-range driver types, meaning a full-range replacement in those locations could potentially handle a wider frequency span without requiring additional drivers.
  • Given that the door panels carry the heavier workload in terms of frequency range, they may be worth prioritizing when considering replacement, as the midbass and full-range capabilities in those positions tend to have a more noticeable impact on overall sound output than the 1 inch tweeter locations.
  • A midbass-specific driver in the door positions, paired with the dedicated tweeters in the A-pillars, could suggest a two-way component speaker setup as a reasonably compatible configuration for this vehicle.