2026 Hyundai Sonata vs 2026 Kia K5
The Hyundai Sonata wins clearly, 98.3 to 76.3, on fuel & range, safety.
2026 Hyundai Sonata
The 2026 Hyundai Sonata is sold in the U.S. as a hybrid and gas large sedan with 6 EPA-rated configurations. The most efficient version, the Sonata Hybrid Blue,…
2026 Kia K5
The 2026 Kia K5 is sold in the U.S. as a gas large sedan with 4 EPA-rated configurations. The most efficient version, the K5 w/Stop-Start, is EPA-rated at 30 mp…
2026 Hyundai Sonata
Clear winThe Hyundai Sonata wins clearly, 98.3 to 76.3, on fuel & range, safety.
| Category · weight | 2026 Hyundai Sonataoverall 98.3 | 2026 Kia K5overall 76.3 |
|---|---|---|
| Pricew 4 | no data | no data |
| Fuel & rangew 3 | 100 | 57.7 |
| Safetyw 4 | 97 | 90.2 |
| Space & cargow 2 | no data | no data |
| Performancew 2 | no data | no data |
| Tech & comfortw 3 | no data | no data |
| Warrantyw 2 | no data | no data |
| Overall | 98.3 | 76.3 |
Hyundai Sonata: model-level data · Kia K5: model-level data. Pick a trim in the tool to compare any other trim.
Specifications side by side
Safety record
NHTSA recalls, complaints, NCAPHyundai Sonata
Top recalls
- highElectrical System26V047000 · 41,651 vehicles
Kia K5
Top recalls
- highElectrical System26V046000 · 42,677 vehicles
Ownership
EPA, manufacturer warranty| Hyundai Sonata | Kia K5 | |
|---|---|---|
| Price | — | — |
| Price range across trims | — | — |
| Powertrains | HEV, GAS | GAS |
| EPA configuration compared | Sonata Hybrid Blue | K5 w/Stop-Start |
| Combined mpg / MPGe | 51 | 30 |
| EPA annual fuel cost | $1,200 | $2,100 |
| EV range | — | — |
| Basic warranty | — | — |
| Powertrain warranty | — | — |
| Roadside assistance | — | — |
Common questions
Source: EPA, NHTSA and manufacturer press kitsWhich is better, the 2026 Hyundai Sonata or the 2026 Kia K5?
The Hyundai Sonata wins clearly, 98.3 to 76.3, on fuel & range, safety. On WhichTrim's default weights the 2026 Hyundai Sonata scores 98.3 and the 2026 Kia K5 76.3. The weights are yours to change — move what you care about and the verdict recalculates on the page.
Which has the better safety record, the 2026 Hyundai Sonata or the 2026 Kia K5?
2026 Hyundai Sonata: 5 NHTSA stars, grade A, 1 recall. 2026 Kia K5: 5 NHTSA stars, grade A, 1 recall. Crash ratings come from NHTSA's own tests; the grade is WhichTrim's read of the recall record, and the two can disagree.