Car Sound Upgrades

Speaker sizes & fitment guides

Porsche 911

Car audio fitment guides

Porsche 911 Speaker Size Guides

Select your model year to see exact speaker sizes, factory trim-level audio data, and upgrade recommendations.

Make: Porsche Model: 911

Front5.25"

Rear5.25"

Available Year Guides

14 years with speaker data

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Front 5.25" Rear 5.25"

Speaker sizes come from manufacturer data and verified fitment sources. Equipment varies by trim and factory audio package – confirm the exact configuration before ordering. • All Porsche speaker guides