2025 Hyundai Sonata FWD vs 2025 Kia K5
Both hold the same NCAP overall rating.
Key figures
Side by side
The better figure is highlighted where one is clearly better.
| Specification | 2025 Hyundai Sonata FWD | 2025 Kia K5 |
|---|---|---|
| CO2 | 206.9 g/km | 205.7 g/km |
| Complaints | 16 | 51 |
| Combined | 8.7 l/100km | 8.7 l/100km |
| Cylinders | 4 | 4 |
| Displacement | 2,500 cc | 2,500 cc |
| Drive | Front-Wheel Drive | Front-Wheel Drive |
| Emission standard | L3SULEV30 | L3SULEV30 |
| Extra-urban | 7.3 l/100km | 7.1 l/100km |
| Fuel | Regular Gasoline | Regular Gasoline |
| Gears | 8 | 8 |
| Gross weight | 2,095.1 kg | 2,049.8 kg |
| Kerb weight | 1,652.9 kg | 1,607.1 kg |
| NCAP overall | 5 | 5 |
| Transmission | Automatic (AM-S8) | Automatic (AM-S8) |
| Urban | 10.2 l/100km | 10.2 l/100km |
More on these cars
Other 2025 comparisons in this class
How this comparison works
Only genuine rivals are compared: same model year, same EPA size class, same drivetrain, similar weight and power, and both mainstream or both premium brands. Figures come from FuelEconomy.gov, EPA and NHTSA; fuel costs use current US prices from the Energy Information Administration.
Compare them yourself
Fuel savings and break-evenBreak-even distance for a more economical vehicle · Fuel price at which two vehicles cost the same · Running cost per 100 kmPower-to-weightPower-to-weight ratio · Torque-to-weight ratio · Power needed for a target ratioTotal cost of ownershipTotal cost of ownership · Yearly depreciation rate · Projected future valueAcceleration and quarter-mileForce and power for a target acceleration · Theoretical best 0–100 km/h time · Quarter-mile time and trap speed
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