2018 Kia Sportage Speaker Sizes and Audio System Guide
2018 Kia Sportage Speaker Sizes and Audio System Guide
This page covers the factory speaker layout, common speaker locations, and upgrade notes for the 2018 Kia Sportage. Equipment can vary by trim, body style, or audio package, and the generation data should be used as a guide for verification before ordering. Factory amplifier details should be checked by trim and audio package, and selected audio systems may also include tweeters if equipped.
Data verified by Nick Marchenko, PhD
Speaker Size Chart – 2018 Kia Sportage
Use this table as the main reference. Fitment depends on trim, factory audio package, mounting depth, and adapter availability.
| Location | Type | Factory Size | Note |
|---|---|---|---|
| Front Door | Full-Range | 6.5 inch | |
| Front Door | Tweeter | 1 inch | if equipped |
| Rear Door | Full-Range | 6.5 inch | |
| Far-Rear Side Panels | Full-Range | 8 inch | |
| Center Dash | Mid-Range | 2.75 inch |
Generic speaker location diagram. The table above shows the specific factory sizes for this vehicle. Exact location details may vary by body style and trim.
Recommended Speakers for the 2018 Kia Sportage
Selected aftermarket speakers that match the factory sizes for this vehicle. Always verify mounting depth, connector type, and audio package before ordering.
6.5" Speakers
8" Speakers
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Speaker Count by Trim – 2018 Kia Sportage
Speaker count and audio equipment vary by trim and factory audio package. This table lists known configurations from our database.
| Trim | Speakers | Amplifier | Radio | Navigation |
|---|---|---|---|---|
| SX Turbo 4dr All-wheel Drive | 8 | 320W | SiriusXM AM/FM/Satellite, seek-scan | ✓ |
| SX Turbo 4dr Front-wheel Drive | 8 | 320W | SiriusXM AM/FM/Satellite, seek-scan | ✓ |
| EX 4dr All-wheel Drive | 6 | 320W | SiriusXM AM/FM/Satellite, seek-scan | ✓ |
| EX 4dr Front-wheel Drive | 6 | 320W | SiriusXM AM/FM/Satellite, seek-scan | ✓ |
| LX 4dr All-wheel Drive | 6 | – | SiriusXM AM/FM/Satellite, seek-scan | – |
| LX 4dr Front-wheel Drive | 6 | – | SiriusXM AM/FM/Satellite, seek-scan | – |
Data sourced from manufacturer specifications. Verify with the window sticker or dealer before ordering audio components.
Vehicle and Audio System Specifications
This block helps identify the vehicle and its audio system configuration for fitment decisions.
Crossover vs SUV – Audio Differences
For this model, body style can affect factory audio packaging and rear speaker placement, so verify the exact vehicle before ordering parts. Speaker layouts are based on generation data, and equipment can vary by trim and audio package. Factory amplifier details should also be confirmed, since they are not universal across all versions.
What Speakers Fit the 2018 Kia Sportage?
Aftermarket fitment should start with the factory speaker locations listed for this generation, but diameter alone is not enough. Based on generation data for the 2018 Sportage, the front doors use 6.5-inch full-range speakers, the rear doors use 6.5-inch full-range speakers, the far-rear side panels use 8-inch full-range speakers, and the center dash uses a 2.75-inch mid-range speaker. Front tweeters are listed as optional, so verify the audio package before ordering. Factory amplifier details should also be verified by trim and audio package.
Usually Safe Upgrades
- If your vehicle uses the front door location, a 6.5-inch full-range replacement is the starting point for fitment.
- If your vehicle uses the rear door location, a 6.5-inch full-range replacement is the starting point for fitment.
- If your vehicle uses the far-rear side panel location, an 8-inch full-range replacement is the starting point for fitment.
- If your vehicle uses the center dash location, a 2.75-inch mid-range replacement should be matched to that opening.
- If your vehicle is equipped with front tweeters, confirm the 1-inch tweeter location before selecting replacement parts.
Check Before Buying
- Verify the exact speaker location on the vehicle, since 2018 speaker data is based on generation information and should be checked before ordering.
- Measure mounting depth and overall frame size, not just cone diameter.
- Confirm connector type and mounting style so the replacement matches the factory opening.
- Check whether the vehicle has the premium audio setup or factory amplifier, since trim and audio package can change fitment needs.
- If your vehicle is equipped with front tweeters, make sure the replacement is intended for that location and not a full-range opening.
Installation Notes
The 2018 Kia Sportage uses generation-based speaker data, so verify the exact audio package before ordering parts. Front door locations use 6.5-inch full-range speakers, and front tweeters may be present if equipped. Rear door locations also use 6.5-inch full-range speakers, while far-rear side panels use 8-inch full-range speakers and the center dash uses a 2.75-inch mid-range speaker. Factory amplifier details should be verified by trim and audio package, since equipment can vary. Panel removal is required at the doors and rear side areas, so work carefully to avoid breaking clips or scratching trim. Check speaker depth before installation, especially at the front doors and far-rear side panels, because available space can be limited. Mounting adapters may be needed to match the factory openings, and harness adapters can help preserve the original wiring. If your vehicle has the factory subwoofer, confirm its location and connection before changing the system. Always test speaker polarity, balance, and fade after installation.
Installation is moderately difficult because trim removal, fitment checks, and wiring verification are important on this vehicle.
Common Mistakes When Replacing Speakers
The biggest mistakes with the 2018 Kia Sportage usually happen when buyers assume every trim shares the same audio layout or skip basic fitment checks before ordering parts.
- Buying based only on the body-style label instead of checking actual speaker locations on the vehicle.
- Ignoring trim and audio package differences, since speaker count and amplifier details vary by trim and factory amplifier details should be verified by trim and audio package.
- Ordering speakers without confirming mounting depth, diameter, and connector style at each location.
- Assuming the front tweeter is present on every vehicle instead of checking whether it is equipped.
- Overlooking the center dash and far-rear side panel speaker locations when planning a full system refresh.
- Skipping a test fit and sound check before reassembly, which can turn a simple speaker swap into a time-consuming redo.
Generation & Model Family
The 2018 Kia Sportage belongs to the Fourth generation (QL) (2017–2019) family. Nearby model years often share similar speaker locations and audio layouts, but exact fitment can vary by trim and audio package – verify before ordering.
Recommended Upgrade Path
The 2018 Kia Sportage uses generation-based speaker data, so equipment can vary by trim and audio package. Some trims include a factory amplifier, while others do not, and the speaker layout can differ between 6- and 8-speaker systems. For the cleanest upgrade plan, verify the exact trim before ordering and start with the areas that affect daily listening most.
| Goal | Best Upgrade Path | Why |
|---|---|---|
| Better clarity | Upgrade the front door speakers first, then add front tweeters if equipped, and consider the center dash speaker for a more balanced front stage. | This approach improves vocals, detail, and high-frequency clarity where you hear it most. Since tweeters are optional equipment, verify the trim before choosing parts. |
| More bass | Add an aftermarket subwoofer system to complement the factory speakers and fill in the low end. | The factory setup does not list a subwoofer, so adding one is the most effective way to increase bass output without changing the rest of the system first. |
| Louder sound | Use properly matched speakers and amplifier integration can improve volume and reduce distortion, then verify factory amp or premium system integration before adding aftermarket amplifiers. | Higher output works best when the speakers and amplification are matched correctly. Factory amplifier details should be verified by trim and audio package before planning an amp upgrade. |
| Budget improvement | Replace the front door speakers first with same-size replacement speakers and the correct mounting brackets. | The front doors handle the most important everyday audio, so this gives the best improvement for the money before moving to the rear or other locations. |
| Factory look | Use same-size replacement speakers with the correct mounting brackets and harness adapters for a clean install that preserves the factory wiring and appearance. | This keeps the interior looking original while improving sound. It also helps avoid unnecessary wiring changes and makes the upgrade easier to integrate with the existing system. |
Mounting Adapters and Wiring
The same nominal diameter does not guarantee a direct mount. Before ordering, confirm:
- Speaker depth: Aftermarket speakers often have larger magnets – measure available depth at each location.
- Mounting brackets: Door locations typically need a bracket or spacer to clear the window regulator and achieve correct mounting depth.
- Wiring harness adapters: Use a plug-and-play harness adapter to preserve factory wiring.
- Tweeter mounting cups: Replacing OEM tweeters may require surface-mount cups or brackets depending on the location.
- Factory or premium amplified systems: If the vehicle has a premium or factory-amplified audio system, confirm how the factory radio, amplifier, and speakers are connected before adding aftermarket amplifiers. Depending on the setup, a line output converter, DSP, integration harness, or professional installation may be needed.
- Connector type: Factory connectors vary by trim and model year – confirm compatibility before splicing or using an adapter.
Frequently Asked Questions
What size are the front door speakers in a 2018 Kia Sportage?
Based on generation data, the front door speakers are 6.5-inch full-range units. A 1-inch tweeter may also be present if equipped, so verify the audio package before ordering parts.
What size are the rear speakers in a 2018 Kia Sportage?
Based on generation data, the rear door speakers are 6.5-inch full-range units. Some audio systems may also include additional rear or side-panel speakers, so confirm the trim and equipment before buying.
Does the 2018 Kia Sportage have a factory subwoofer?
A factory subwoofer is not listed in the available data. If your vehicle has a premium audio package, verify the system layout before choosing replacement parts.
Do I need mounting adapters to replace the speakers?
Mounting adapters may be needed depending on the speaker location and the replacement speaker design. Verify the factory speaker size and mounting depth before ordering any adapter or bracket.
Can I replace the speakers without replacing the radio?
Yes, speaker upgrades can often be done while keeping the factory radio. The exact result depends on the trim and audio system, so confirm the factory setup before selecting new speakers.
Does the 2018 Kia Sportage have a factory amplifier?
Factory amplifier details should be verified by trim and audio package. Some trims list a 320W amplifier, while others do not, so check your specific vehicle before planning an upgrade.