What size are the rear speakers in the Silverado extended cab?
Rear speakers in the Silverado extended cab are typically 4x6 inches.
This size has been standard for GM’s extended-cab pickups across several generations, though specific trims or model years can vary. Always verify your exact vehicle before buying replacements or upgrades.
Overview of rear speaker sizes in Silverado extended cab
In practice, the rear doors of most Silverado extended-cab models accommodate 4x6 inch speakers. This has been the prevalent configuration for many years, and aftermarket options are commonly available in the same size.
Note: While 4x6 is the baseline for most extended-cab trucks, there can be occasional variations by year, trim level, or optional audio packages. Always confirm on your specific vehicle by inspecting the speaker or consulting manuals.
- 4x6 inch rear-door speakers are standard for the majority of Silverado extended-cab models.
For most owners, a 4x6 replacement will fit without modification, and aftermarket options abound for both coaxial and component-style speakers.
How to verify your exact speaker size
To ensure you purchase the correct size for your truck, verify your model’s actual rear speaker size using these steps.
- Park safely and turn off the vehicle and audio system.
- Carefully remove the rear door panel to access the speaker.
- Measure the mounting hole diameter or read any labeling on the speaker itself to confirm size (most commonly 4 inches by 6 inches).
- If label information is unclear, consult the owner's manual or a GM parts catalog for your exact year/model.
- When in doubt, bring your vehicle to a professional installer who can confirm fit and advise on compatible replacement options.
Verifying the exact size helps prevent fit issues and ensures you select the correct replacement for your Silverado’s rear doors.
Upgrade considerations
If you’re upgrading the audio system, the 4x6 rear speaker size is well-supported by a wide range of aftermarket options. You can choose from basic 4x6 coaxials to more detailed 4x6 component sets, depending on your budget and desired sound quality. For deeper bass, many owners pair upgraded rear speakers with a front-stage upgrade and, if possible, a dedicated subwoofer with appropriate amplification.
- 4x6 inch coaxial replacement speakers for a straightforward upgrade.
- 4x6 inch component sets for enhanced clarity with a separate tweeter.
- Consider an amplifier or subwoofer to improve overall bass, ensuring your head unit and wiring are compatible.
Overall, 4x6 rear speakers are a practical and common upgrade path for Silverado extended-cab pickups, with ample aftermarket support.
Summary
The standard rear-speaker size for most Silverado extended-cab models is 4x6 inches. While this covers the majority of years and trims, always confirm the exact size on your specific truck before purchasing replacements or upgrades. If you need help, consult a professional installer or reference GM’s parts catalog for precise specifications.
