2025 Kia K5 LXS vs 2026 Nissan Sentra S
On paper, the 2025 Kia K5 LXS wins on 42 more hp, 35 more lb-ft torque, 9.8″ longer. The 2026 Nissan Sentra S has to win you at the dealer. Key numbers: 191 vs 149 hp.
The K5 LXS leads on 42 more hp, 35 more lb-ft torque. The Sentra S leads on $4,590 less. The spec table compares 5 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 5 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 LXS | 2026 Nissan Sentra S |
|---|---|---|
| Pricing | ||
| MSRP | $27,190 | $22,600 |
| Powertrain | ||
| Engine | 2.5L I4 | 2.0L I4 |
| Horsepower | 191 hp | 149 hp |
| Torque | 181 lb-ft | 146 lb-ft |
| Transmission | 8-speed shiftable automatic | continuously variable-speed automatic |
| Drivetrain | FWD | FWD |
| Fuel Economy | ||
| City MPG | 26 | No published data |
| Highway MPG | 37 | No published data |
| Combined MPG | 30 | No published data |
| Fuel Tank | 15.8 gal | 12.4 gal |
| Dimensions | ||
| Curb Weight | 3,230 lbs | 3,097 lbs |
| Wheelbase | 112.2" | 106.5" |
| Length | 193.1" | 183.3" |
| Width | 73.2" | 71.5" |
| Height | 56.9" | 57.1" |
| Safety | ||
| NHTSA Overall | 5/5 stars | No published data |
| 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 LXS and 2026 Nissan Sentra S?
The 2026 Nissan Sentra S starts at $22,600, $4,590 less than the 2025 Kia K5 LXS at $27,190. On a 60-month loan that is roughly $81/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2025 Kia K5 LXS?
The 2025 Kia K5 LXS is the stronger pick when the extra 42 hp matters for your commute or driving style.
Who should choose the 2026 Nissan Sentra S?
The 2026 Nissan Sentra S is the stronger pick when you want to keep $4,590 in your pocket and the 2026 Nissan Sentra S covers your needs.
Which is more powerful, the 2025 Kia K5 LXS or 2026 Nissan Sentra S?
The 2025 Kia K5 LXS produces 191 hp, 42 more than the 2026 Nissan Sentra S at 149 hp. The 2025 Kia K5 LXS also leads in torque at 181 lb-ft vs 146 lb-ft. The 2025 Kia K5 LXS runs a 2.5L I4; the 2026 Nissan Sentra S uses a 2.0L I4.
Is the 2025 Kia K5 LXS bigger than the 2026 Nissan Sentra S?
The 2025 Kia K5 LXS is 9.8″ longer at 193.1″ vs 183.3″. The 2025 Kia K5 LXS has a 5.7″ 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 Nissan Sentra 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, Nissan trims, Nissan Sentra trims
- 2025 Kia K5 LXS Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
How the K5 and Sentra Stack Up
Two midsize sedans, two brands, and a decision that comes down to which one fits your commute and budget. The 2025 Kia K5 LXS starts at $27,190; the 2026 Nissan Sentra S at $22,600. The $-4,590 gap adds up to $81/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
Powertrain: K5 vs Sentra
The 2025 Kia K5 LXS runs a 2.5L I4; the 2026 Nissan Sentra S uses a 2.0L I4. The 2025 Kia K5 LXS has 42 more hp (191 vs 149), enough to notice on highway on-ramps and when passing. The 2025 Kia K5 LXS adds 35 more lb-ft of torque (181 vs 146), giving it stronger low-end pull off the line. Both use FWD.
Size, Space, and Daily Reality
The 2025 Kia K5 LXS has a 5.7″ longer wheelbase, typically meaning a smoother ride and more rear-seat legroom.
Which One Should You Buy?
Choose the 2025 Kia K5 LXS when the extra 42 hp matters for your commute or driving style. Choose the 2026 Nissan Sentra S when you want to keep $4,590 in your pocket and the 2026 Nissan Sentra S covers your needs.
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 Nissan or any dealership.