Buick Skylark Speaker Size

Speaker size, type, and location chart for Buick Skylark models from 1983 to 1998 production years.

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Rear Deck Lid Speaker

YearsTypeSize (inch)
1987 - 1998Full-Range6x9
1983 - 1986Full-Range4x10

Dashboard Speaker

YearsTypeSize (inch)
1983 - 1998Full-Range4x6

Front Door Panel Speaker

YearsTypeSize (inch)
1987 - 1995Midbass / Full-Range5.25

Buick Skylark Speaker FAQ

What speakers should I upgrade first in my Buick Skylark for the biggest sound improvement?

Replace the front door panel speakers first. The 5.25 inch speakers handle most vocals and midrange frequencies that you actually hear. Dashboard speakers are secondary - they're 4 x 6 inch which limits bass response anyway. Rear deck speakers can wait since they mostly fill in background sound. Front doors give you the most noticeable upgrade for your money.

Can I install component speakers in my Buick Skylark front doors?

Yes, the front door panels support component systems. You'll get separate tweeters and woofers instead of coaxial designs. Component speakers typically handle 50-75 watts RMS better than coaxials. The crossover network goes behind the door panel or under the seat. Tweeters mount in the existing tweeter location or you might need to fabricate a mount. Sound staging improves significantly with components.

Why does my Buick Skylark have different rear speaker sizes depending on the year?

Earlier models used 4 x 10 inch speakers in the rear deck, later ones switched to 6 x 9 inch. The 6 x 9 configuration provides better bass extension - roughly 10Hz lower frequency response. Both mount in the same general location but require different mounting brackets. The 6 x 9 speakers can handle more power, usually 40-60 watts RMS versus 25-35 watts for the 4 x 10 size.

What's the difference between coaxial and triaxial speakers for Buick Skylark rear deck installation?

Triaxial adds a third speaker element - usually a super tweeter for frequencies above 10kHz. Coaxial has tweeter and woofer. Triaxial might sound more detailed but can also sound harsh if the crossover points aren't well-designed. For rear fill applications, coaxial speakers around 35-45 watts RMS work fine. The extra complexity of triaxial doesn't always translate to better sound in rear positions.

Should I replace the dashboard speakers in my Buick Skylark?

Dashboard speakers add presence but they're not critical. The 4 x 6 inch size limits low-frequency output to maybe 120Hz and up. They work best for vocals and upper midrange fill. If your front door speakers are good, dashboard replacement becomes less important. Focus budget on front doors first. When you do upgrade dashboard speakers, look for ones rated around 20-30 watts RMS with good sensitivity ratings above 88dB.

What impedance should I choose for Buick Skylark speaker replacements?

Stick with 4-ohm speakers. The factory amplifier or head unit expects this load. Using 8-ohm speakers reduces power output by roughly half. Some aftermarket speakers come in dual voice coil configurations but for simple replacement, single 4-ohm works best. Check that power handling matches your amplifier output - typically 15-45 watts RMS for factory systems in the Buick Skylark.