2025 Kia K5 GT-Line vs 2025 Subaru Legacy Sport
$6,620 less vs 69 more hp and 96 more lb-ft torque. That is the real fork. Key numbers: $6,620 price gap, 191 vs 260 hp, 27 vs 26 MPG.
The K5 GT-Line leads on $6,620 less. The Legacy Sport leads on 69 more hp, 96 more lb-ft torque. The spec table compares 7 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 7 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 Kia K5 GT-Line | 2025 Subaru Legacy Sport |
|---|---|---|
| Pricing | ||
| MSRP | $29,790 | $36,410 |
| Powertrain | ||
| Engine | 2.5L I4 | 2.4L flat 4 Turbo |
| Horsepower | 191 hp | 260 hp |
| Torque | 181 lb-ft | 277 lb-ft |
| Transmission | 8-speed shiftable automatic | continuously variable-speed automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 24 | 23 |
| Highway MPG | 33 | 31 |
| Combined MPG | 27 | 26 |
| Fuel Tank | 15.8 gal | 18.5 gal |
| Annual Fuel Cost (EPA) | $1,600/yr | $1,700/yr |
| Dimensions | ||
| Curb Weight | 3,463 lbs | 3,764 lbs |
| Wheelbase | 112.2" | 108.3" |
| Length | 193.1" | 191.1" |
| Width | 73.2" | 72.4" |
| Height | 56.9" | 59.1" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 5yr/60k | 3yr/36k |
| Powertrain | 10yr/100k | 5yr/60k |
| Corrosion | 5yr/100k | 5yr/unlimited |
| Roadside Assistance | 5yr/60k | 3yr/36k |
Frequently Asked Questions
What is the price difference between the 2025 Kia K5 GT-Line and 2025 Subaru Legacy Sport?
The 2025 Kia K5 GT-Line starts at $29,790, $6,620 less than the 2025 Subaru Legacy Sport at $36,410. On a 60-month loan that is roughly $116/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2025 Kia K5 GT-Line?
The 2025 Kia K5 GT-Line is the stronger pick when you want to keep $6,620 in your pocket and the 2025 Kia K5 GT-Line covers your needs; lower running costs matter to you, roughly $59/year less on fuel.
Who should choose the 2025 Subaru Legacy Sport?
The 2025 Subaru Legacy Sport is the stronger pick when the extra 69 hp matters for your commute or driving style.
Which gets better fuel economy, the 2025 Kia K5 GT-Line or 2025 Subaru Legacy Sport?
The 2025 Kia K5 GT-Line rates 27 combined MPG, 1 MPG ahead.
Which is more powerful, the 2025 Kia K5 GT-Line or 2025 Subaru Legacy Sport?
The 2025 Subaru Legacy Sport produces 260 hp, 69 more than the 2025 Kia K5 GT-Line at 191 hp. The 2025 Subaru Legacy Sport also leads in torque at 277 lb-ft vs 181 lb-ft. The 2025 Kia K5 GT-Line runs a 2.5L I4; the 2025 Subaru Legacy Sport uses a 2.4L flat 4 Turbo.
Is the 2025 Kia K5 GT-Line bigger than the 2025 Subaru Legacy Sport?
The 2025 Kia K5 GT-Line is 2.0″ longer at 193.1″ vs 191.1″. The 2025 Kia K5 GT-Line has a 3.9″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
The Kia K5 comes with 5yr/60k bumper-to-bumper and 10yr/100k powertrain. The Subaru Legacy offers 3yr/36k bumper-to-bumper and 5yr/60k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: Kia trims, Kia K5 trims, Subaru trims, Subaru Legacy trims
- 2025 Kia K5 GT-Line Safety Ratings (NHTSA)
- 2025 Subaru Legacy Sport Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
The K5–Legacy Decision
Shopping midsize sedans means the K5 and Legacy will likely end up on the same test-drive day. Here is what the numbers say before you get behind the wheel. The $6,620 gap adds up to $116/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
What Powers Each Vehicle
The 2025 Kia K5 GT-Line runs a 2.5L I4; the 2025 Subaru Legacy Sport uses a 2.4L flat 4 Turbo. The 2025 Subaru Legacy Sport has 69 more hp (260 vs 191). You will feel the difference merging, passing, and driving with a full car. The 2025 Subaru Legacy Sport adds 96 more lb-ft of torque (277 vs 181), giving it stronger low-end pull off the line. Both use AWD.
The Ownership Math
The 2025 Kia K5 GT-Line saves roughly $59/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $295.
Living With the K5 vs the Legacy
The 2025 Subaru Legacy Sport weighs 301 lbs more. Heavier vehicles tend to feel more planted at highway speed but use more fuel and are harder to stop quickly.
The Decision
Choose the 2025 Kia K5 GT-Line when you want to keep $6,620 in your pocket and the 2025 Kia K5 GT-Line covers your needs. Choose the 2025 Subaru Legacy Sport when the extra 69 hp matters for your commute or driving style. At $116/month more, the 2025 Subaru Legacy Sport needs to earn that gap with something you use weekly.
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 Kia or Subaru or any dealership.