What Size Speakers are in a 2008 Gmc Sierra

The 2008 GMC Sierra 1500 comes standard with six-speaker audio system. This system includes an AM/FM radio and a CD player. The speakers are located in the dash, on the door panels and in the rear of the cab.

There are four full-range speakers and two tweeters. The tweeters are located in the A-pillars, just above the side mirrors.

If you’re looking for a great sound system in your 2008 GMC Sierra, you’ll be happy to know that it comes with some pretty impressive speakers. The front doors each have a 6-1/2″ speaker, while the rear doors house 6″x9″ speakers. For even more sound power, there are two 10″ subwoofers mounted in the rear of the cab. So whatever your musical tastes, you can enjoy it in style and comfort in your GMC Sierra.

2008 Gmc Sierra Speaker Replacement

If you’re in need of a 2008 GMC Sierra speaker replacement, you’ve come to the right place. Here at Audio Express / Quality Auto Sound, we carry a wide selection of aftermarket speakers designed to fit your truck perfectly. Whether you’re looking for a new set of coaxial speakers to replace your factory ones, or you want to upgrade to a component speaker system, we have what you need.

We know that not everyone is an audio expert, so our friendly and knowledgeable staff is always happy to help you choose the right speakers for your needs. We’ll even install them for you if you like! Come see us today and let us help you get your GMC Sierra sounding its best.

How Many Speakers are in a 2008 Gmc Sierra?

A 2008 GMC Sierra comes with six speakers. The front door panels each have a speaker, and there are two more in the rear of the cab.

How Many Speakers Does a Gmc Sierra Have?

The GMC Sierra comes with a six-speaker audio system as standard, but an eight-speaker system is available as an upgrade. The base model also has a four-inch infotainment display, while higher trims get a seven-inch unit.

What Size are Rear Door Speakers?

Most rear door speakers are between six and nine inches in diameter. Some smaller cars may have four-inch or five-inch speakers, while larger vehicles may have 10-inch or even 12-inch speakers. Of course, the size of the speaker doesn’t necessarily dictate the quality of the sound; it’s just one factor to consider when choosing new rear door speakers for your car.

What Kind Size of Speakers Do Gmc Extended Cab Have?

If you’re looking for information on the speaker size in GMC extended cab trucks, you’ve come to the right place. Here’s what you need to know. GMC extended cab trucks come equipped with 6.5-inch speakers in the front doors and 4-inch speakers in the rear doors.

These are standard sizes for most aftermarket car audio systems, so finding replacement speakers should be easy. If you’re looking to upgrade your sound system, there are a few things to keep in mind. First, make sure that any new speakers you purchase will fit in the existing speaker mounts.

Second, pay attention to the impedance rating of your new speakers. The factory stereo system in GMC extended cab trucks is designed for use with 4-ohm speakers, so it’s important to get replacements that have the same impedance rating. Finally, consider adding an amplifier to your sound system if you really want to boost the output and clarity of your new speakers.


If you’re looking to upgrade the audio system in your 2008 GMC Sierra, you might be wondering what size speakers are in the truck. The good news is that the Sierra comes standard with six-inch speakers in the front doors and six-by-nine-inch speakers in the rear. If you want to really boost the sound quality, though, you’ll need to upgrade to larger aftermarket speakers.

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