2025 Hyundai Sonata SEL vs 2025 Kia K5 GT-Line
These two are closer than you would think. The data shows minimal separation. Key numbers: $290 price gap, 191 vs 191 hp, 28 vs 27 MPG.
The spec table compares 4 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 4 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2025 Hyundai Sonata SEL | 2025 Kia K5 GT-Line |
|---|---|---|
| Pricing | ||
| MSRP | $29,500 | $29,790 |
| Powertrain | ||
| Engine | 2.5L I4 | 2.5L I4 |
| Horsepower | 191 hp | 191 hp |
| Torque | 181 lb-ft | 181 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 25 | 24 |
| Highway MPG | 34 | 33 |
| Combined MPG | 28 | 27 |
| Fuel Tank | 15.9 gal | 15.8 gal |
| Annual Fuel Cost (EPA) | $1,550/yr | $1,600/yr |
| Dimensions | ||
| Curb Weight | 3,466 lbs | 3,463 lbs |
| Wheelbase | 111.8" | 112.2" |
| Length | 193.3" | 193.1" |
| Width | 73.2" | 73.2" |
| Height | 56.9" | 56.9" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| IIHS Award | TSP+ | No published data |
| Warranty | ||
| Bumper-to-Bumper | 5yr/60k | 5yr/60k |
| Powertrain | 10yr/100k | 10yr/100k |
| Corrosion | 7yr/unlimited | 5yr/100k |
| Roadside Assistance | 5yr/unlimited | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2025 Hyundai Sonata SEL and 2025 Kia K5 GT-Line?
The 2025 Hyundai Sonata SEL starts at $29,500, $290 less than the 2025 Kia K5 GT-Line at $29,790. That gap is small enough that monthly payments are nearly identical. Focus on which vehicle fits your life, not the sticker.
Who should choose the 2025 Hyundai Sonata SEL?
The 2025 Hyundai Sonata SEL is the stronger pick when you want to keep $290 in your pocket and the 2025 Hyundai Sonata SEL covers your needs; lower running costs matter to you, roughly $56/year less on fuel.
Who should choose the 2025 Kia K5 GT-Line?
The 2025 Kia K5 GT-Line is the stronger pick when you prefer the Kia approach to the midsize sedan segment.
Which gets better fuel economy, the 2025 Hyundai Sonata SEL or 2025 Kia K5 GT-Line?
The 2025 Hyundai Sonata SEL rates 28 combined MPG, 1 MPG ahead.
Which is more powerful, the 2025 Hyundai Sonata SEL or 2025 Kia K5 GT-Line?
Both produce 191 hp.
Is the 2025 Hyundai Sonata SEL bigger than the 2025 Kia K5 GT-Line?
The 2025 Hyundai Sonata SEL is 0.2″ longer at 193.3″ vs 193.1″. The 2025 Kia K5 GT-Line has a 0.4″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
Both offer similar warranty coverage: 5yr/60k bumper-to-bumper and 10yr/100k powertrain.
Explore more: Hyundai trims, Hyundai Sonata trims, Kia trims, Kia K5 trims
- 2025 Hyundai Sonata SEL Safety Ratings (NHTSA)
- 2025 Kia K5 GT-Line Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
How the Sonata and K5 Stack Up
Two midsize sedans, two brands, and a decision that comes down to which one fits your commute and budget. The 2025 Hyundai Sonata SEL starts at $29,500; the 2025 Kia K5 GT-Line at $29,790. The $290 price gap works out to less than $10/month on a typical loan, so the cost difference is negligible. Pick on fit, not on price.
Powertrain: Sonata vs K5
Both run the same 2.5L I4 engine. Both produce 191 hp. Both use AWD.
What It Actually Costs to Own
The 2025 Hyundai Sonata SEL saves roughly $56/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $280.
Which One Should You Buy?
Choose the 2025 Hyundai Sonata SEL when you want to keep $290 in your pocket and the 2025 Hyundai Sonata SEL covers your needs. Choose the 2025 Kia K5 GT-Line when you prefer the Kia approach to the midsize sedan segment.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. 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 Hyundai or Kia or any dealership.