Comparisons · 2021

2021 Hyundai Sonata vs 2021 Kia K5

The 2021 Hyundai Sonata has fewer NHTSA recalls (4 against 6). Both hold the same NCAP overall rating.

2021 Hyundai Sonata leads on 2 of 3 measurable figures. 20 specifications compared.

Hyundai2021 Hyundai SonataFull specifications →vsKia2021 Kia K5Full specifications →

Key figures

Combined fuel consumption
2021 Hyundai Sonata8.7 l/100km
2021 Kia K58.7 l/100km
CO2 emissions
2021 Hyundai Sonata208.2 g/km
2021 Kia K5206.3 g/km
Kerb weight
2021 Hyundai Sonata1,626 kg
2021 Kia K51,506 kg
NHTSA recalls
2021 Hyundai Sonata4
2021 Kia K56
Owner complaints
2021 Hyundai Sonata133
2021 Kia K5167
NCAP overall rating
2021 Hyundai Sonata5
2021 Kia K55

Side by side

The better figure is highlighted where one is clearly better.

Specification2021 Hyundai Sonata2021 Kia K5
CO2208.2 g/km206.3 g/km
Complaints133167
Recall campaigns46
Combined8.7 l/100km8.7 l/100km
Cylinders44
Displacement2,500 cc2,500 cc
DriveFront-Wheel DriveFront-Wheel Drive
Emission standardL3SULEV30L3ULEV70
Extra-urban7.1 l/100km7.3 l/100km
FuelRegular GasolineRegular Gasoline
Gears88
Gross weight1,974.9 kg2,070.2 kg
Height1,450 mm1,440 mm
Kerb weight1,626 kg1,506 kg
Length4,900 mm4,900 mm
NCAP overall55
TransmissionAutomatic (AM-S8)Automatic (AM-S8)
Urban10.2 l/100km9.8 l/100km
Wheelbase2,840 mm2,850 mm
Width1,860 mm1,860 mm

More on these cars

2021 Hyundai SonataAll Hyundai model years2021 Kia K5All Kia model years

Other 2021 comparisons in this class

2021 Honda Accord vs 2021 Kia K52021 Honda Accord vs 2021 Hyundai Sonata2021 Honda Accord vs 2021 Hyundai Sonata Hybrid2021 Hyundai Sonata Hybrid vs 2021 Kia K52021 Honda Accord Hybrid vs 2021 Kia K52021 Honda Accord Hybrid vs 2021 Hyundai Sonata2021 Honda Accord Hybrid vs 2021 Hyundai Sonata Hybrid

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

All calculators →

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