DecodedCarsKia K4
3 model years from 2025 to 2027, compared on size, efficiency, safety and reliability.
- Model years
- 2025–2027
- Class
- Midsize Cars
- Latest engines
- 2.0L 4-cyl, 1.6L 4-cyl turbo
- Best MPG
- 33–34 combined, by year
- Latest rating
- ★★★★★ (2025)
- Recalls
- 3 campaigns, all years
- Most complaints
- 2025 (47)
- Interest
- 7,156 Wikipedia views / 30 days
The 2026 K4 in brief
The 2026 Kia K4 is a midsize car offered with 2 engines (2.0L 4-cyl and 1.6L 4-cyl turbo) and front-wheel drive.
It measures about 185 inches long and 73 inches wide on a 107-inch wheelbase, with a curb weight of roughly 2,954 lb (4dr Sedan).
EPA rates its most efficient version at 33 MPG combined (29 city / 39 highway), 6% better than the 2026 midsize car average of 31.2 MPG, for an estimated $2,050 a year in fuel.
It has 1 recall campaign on file and owners have filed 13 complaints with NHTSA since 2015, most often about the steering.
The Kia K4 has 3 model years in our data, from 2025 to 2027.
Its most efficient year was 2025 at 34 MPG combined; across all years the best version ranged from 33 to 34 MPG.
Owners most often report problems with the unknown or other (17), electrical system (16), steering (10).
2025 has the most recalls (2); all years together count 3 campaigns and 60 owner complaints.
How the 2025 K4 compares
The 2025 Kia K4 is a midsize car offered with 2 engines (2.0L 4-cyl and 1.6L 4-cyl turbo) and front-wheel drive.
It measures about 185 inches long and 73 inches wide on a 107-inch wheelbase, with a curb weight of roughly 2,954 lb.
About the Kia K4
The Kia K4 is a compact car (C-segment) manufactured by South Korean automaker Kia since 2024. It is a replacement for the Kia Forte/K3/Cerato, while the K3 nameplate was transferred to a subcompact car.
From the Wikipedia article "Kia K4", licensed under CC BY-SA 4.0.
2026 K4 pros & cons
Full 2026 details →What's good
- Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
Watch out for
No weak spots against similar models in the data.
Compare head to head
K4 changes by model year
- 2027
- New body dimensions: 11.0 in shorter — most likely a redesign or new generation
Years without a measurable change are left out.
Show all 3 model years side by side
Alternatives to the 2026 K4
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2026 Toyota Corolla | 50 MPG | Not rated | 1 |
| 2026 Honda Civic | 49 MPG | Not rated | 1 |
| 2026 Toyota Camry | 51 MPG | Not rated | 3 |
| 2026 Toyota Prius | 57 MPG | Not rated | 1 |
| 2026 Honda Prelude | 44 MPG | Not rated | 0 |
| 2026 Hyundai Elantra | 54 MPG | Not rated | 4 |
Most common owner-reported problems
Sources: EPA, NHTSA, Transport Canada, Wikipedia, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Kia. How we calculate this →