How to Find a Car Stereo Speaker Size

Written by leonardo r. grabkowski
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How to Find a Car Stereo Speaker Size
(Thomas Northcut/Photodisc/Getty Images)

Car stereo systems vary widely between makes and models. Some vehicles have two or four speakers, while others have six or more. As with the number of speakers, the actual size of the speakers varies. If you plan on purchasing replacement speakers for you car, you'll need to know what size speakers to purchase. Most cars have speakers of multiple sizes speakers for the different areas in the vehicle. There are several ways for you to determine what size the speakers are in your car.

Skill level:
Moderately Easy

Things you need

  • Measuring tape

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  1. 1

    Measure the speakers to determine their size if the speakers are visible. Use standard measuring tape. Measure the diameter of the speakers (from any edge to the opposite edge). You should get an even size, such as 6.5 inches or 8 inches. This is your car's speaker size.

  2. 2

    Look up the speaker size online using Crutchfield's online information tool. Visit and select the year, make, model and trim level of your vehicle. You'll be directed to a page displaying the car audio specifics for the selected car; this includes the speaker size for each of the vehicle's speakers.

  3. 3

    Write down your car's VIN (vehicle identification number) and contact a nearby dealer that sells the particular brand. Ask for the service department and ask the representative to tell you what the speaker size is for the particular vehicle. Provide the VIN if necessary. Be sure to tell him which speaker you want to check.

Tips and warnings

  • If you plan on calling your dealer to determine the speaker size, you'll need the VIN. Locate this 17-digit number above the hood or beneath the driver's side of the windshield.

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