Kia Seltos trim comparison
2025 Kia Seltos X-Line vs SX
The Seltos X-Line starts at $29,390 while the SX is $31,190. That $1,800 gap buys 1 meaningful difference.
$1,800 more is ~$31/month. The question is whether the added equipment will matter to you every week.
The extra $1,800 does not buy a measurable hardware change in our data. Treat the SX as an appearance or packaging decision, not a core-trim upgrade.
If you are budgeting this move monthly, the jump from the X-Line to the SX is about $31/month on a 60-month loan at 6.5% APR with 10% down. That works out to roughly $1,860 more by the time interest is counted. In this part of the market, that is real money every month, so the upgrade should solve something you will feel in daily use.
Lock one trim, change the other side, and move through exact pair pages without resetting back to the full lineup every time.
Who notices the difference
The higher trim starts to make more sense when you want the nicer equipment factory-installed and under warranty.
When both feel the same
The X-Line and SX are mechanically identical where it counts: the same 8-speed automatic transmission and identical wheelbase and body dimensions.
The upgrade math
$1,800 price difference.
Key Differences at a Glance
This is the fast read: price, power, efficiency, and the feature flips most likely to change the answer.
Every Difference, Side by Side
This is the full read behind the quick decision signals above: the complete hardware, comfort, and equipment story. 1 specification difference, 6 shared.
There are no measurable spec differences in the current source data. If these trims still matter to you, the real separation is likely styling, appearance packages, or dealer inventory.
Full Specification Comparison
Specifications reflect available data as of early 2025. Confirm details with an authorized dealer before purchasing.
| Spec | X-Line | SX |
|---|---|---|
| Pricing | ||
| MSRP | $29,390 | $31,190 |
| Powertrain | ||
| Engine | 1.6L I4 Turbo | 1.6L I4 Turbo |
| Horsepower | 190 hp | 190 hp |
| Torque | 195 lb-ft | 195 lb-ft |
| Transmission | 8-speed automatic | 8-speed automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 24 | 24 |
| Highway MPG | 27 | 27 |
| Combined MPG | 25 | 25 |
| Fuel Tank | 13.2 gal | 13.2 gal |
| Annual Fuel Cost (EPA) | $1,750/yr | $1,750/yr |
| Dimensions | ||
| Curb Weight | 3,363 lbs | 3,363 lbs |
| Wheelbase | 103.5" | 103.5" |
| Length | 172.6" | 172.6" |
| Width | 70.9" | 70.9" |
| Height | 64.0" | 64.0" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 5yr/60k | 5yr/60k |
| Powertrain | 10yr/100k | 10yr/100k |
| Corrosion | 5yr/100k | 5yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2025 Kia Seltos X-Line vs SX Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the Kia Seltos lineup, the Kia brand hub, the Subcompact SUVs, the how to pick a trim guide, or our mid-trim value research when you need the bigger shopping path behind this one matchup.
How much more does the 2025 Seltos SX cost than the X-Line?
The SX starts at $31,190 compared to $29,390 for the X-Line. That is a $1,800 difference, or approximately $31/month more on a 60-month loan.
Do the 2025 Kia Seltos X-Line and SX have the same engine?
Yes. Both use the 1.6L I4 Turbo producing 190 hp and 195 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Do the 2025 Seltos X-Line and SX have the same drivetrain?
Yes. Both come with AWD as standard. The differences between these trims are in features and equipment, not drivetrain.
Is the 2025 Seltos X-Line or SX safer?
Both share the same Kia Seltos platform with an overall 5-star NHTSA safety rating. Safety ratings are model-level and identical across trims. The trim choice affects comfort and features, not crash protection.
What warranty does the 2025 Kia Seltos come with?
All 2025 Kia Seltos trims, including both the X-Line and SX, come with Kia's standard warranty: 5yr/60k bumper-to-bumper and 10yr/100k powertrain coverage. Warranty does not vary by trim level.
The Full Story Behind This Price Gap
Use the direct answer above for this exact matchup, then use these guides to understand whether you are really looking at a feature step-up, a package shuffle, or the point where the lineup starts changing in a meaningful way.
What $1,800 Gets You
At $1,800 more, the Seltos SX adds minor equipment changes. This is a situational call. If those features are on your must-have list, the upgrade makes sense. If not, the X-Line delivers the same core Seltos experience for less.
What Both Trims Share
The Seltos X-Line and SX share the same engine, drivetrain, transmission, and fuel economy. The $1,800 difference comes down to 1 feature and equipment change, not mechanical differences.
Trim-Matched Accessories
These add-ons are split by trim intent so the recommendations follow the actual use case, not just the same repeated product block.
Kia Seltos X-Line
Value-trim add-onsThese picks fit the X-Line best when the goal is covering the daily-use gaps without paying up to the next trim.
Kia Seltos SX
Step-up trim add-onsThese picks suit the SX when you want the accessories to match the nicer cabin, broader utility, or more premium use case.
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Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material for the 2025 model year. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Kia or any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.