GMC Yukon XL Speaker Size
Speaker size, type, and location chart for GMC Yukon XL models from 2015 to 2017 production years.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
Dashboard Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2016 - 2017 | Full-Range | 3.5 |
| 2016 - 2017 | Midrange | 2.5 |
| 2015 | Tweeter | 1 |
Front Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2016 - 2017 | Full-Range | 6x9 |
| 2015 | Midbass / Full-Range | 6.5 |
Rear Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2015 - 2017 | Midbass / Full-Range | 6.5 |
D-Pillar Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2016 - 2017 | Midrange | 2.5 |
GMC Yukon XL Speaker FAQ
Which speakers should I replace first in my GMC Yukon XL for the biggest sound improvement?
Start with the front door speakers. Your 6x9 inch coaxials (2016-2017) or 6.5 inch units (2015) handle most of the musical content and sit at ear level. These locations get the best power from your factory amplifier, typically around 25-30 watts RMS. Dashboard speakers mainly fill in highs and mids - they're secondary. The front doors create your soundstage foundation, so upgrading them first gives you the most noticeable difference in clarity and bass response.
What's the difference between coaxial and component speakers for the GMC Yukon XL front doors?
Coaxial speakers combine the woofer and tweeter in one unit - simpler installation, decent sound. Component speakers separate them - woofer in the door, tweeter typically in the dashboard or A-pillar. Your Yukon XL seems designed for both types in the front doors. Components generally sound better because you can position tweeters at ear level for better imaging. But coaxials work fine if you want plug-and-play replacement. The 6x9 size gives you more cone area than 6.5 inch, which usually means better bass output around 40-80 Hz.
Should I replace the small dashboard speakers in my GMC Yukon XL?
Maybe not immediately. Those 3.5 inch and 2.5 inch dashboard speakers mainly handle midrange and treble duties. They're not doing heavy lifting for your sound system. If your front door speakers are still factory, upgrade those first. The dashboard units might actually sound worse with aftermarket door speakers because of frequency overlap issues. Once you've got quality door speakers, then consider dashboard replacement if you want more precise imaging or if the factory tweeters sound harsh. The 1 inch tweeter in 2015 models probably doesn't need touching unless it's blown.
What impedance should I look for when replacing GMC Yukon XL speakers?
Stick with 4-ohm speakers for most locations. Factory GM systems typically expect 4-ohm loads, and your amplifier is designed around this impedance. Using 8-ohm speakers might reduce power output by roughly half. The rear 6.5 inch speakers and front door speakers definitely want 4-ohm replacements. For the smaller dashboard speakers, impedance is less critical since they're not pulling much power anyway. But 4-ohm keeps everything consistent. If you're running an aftermarket amplifier later, then you have more flexibility with impedance choices.