Comparisons · 2020

2020 Hyundai Sonata vs 2020 Kia Optima

The 2020 Hyundai Sonata uses less fuel: 7.6 against 8.7 l/100km, about 13% less. At today's US fuel prices the 2020 Hyundai Sonata costs about $976 less to fuel over five years at 15,000 km a year. Both hold the same NCAP overall rating.

2020 Hyundai Sonata leads on 2 of 3 measurable figures. 19 specifications compared.

Hyundai2020 Hyundai SonataFull specifications →vsKia2020 Kia OptimaFull specifications →

Key figures

Combined fuel consumption
2020 Hyundai Sonata7.6 l/100km
2020 Kia Optima8.7 l/100km
CO2 emissions
2020 Hyundai Sonata180.8 g/km
2020 Kia Optima205.1 g/km
Kerb weight
2020 Hyundai Sonata1,527 kg
2020 Kia Optima1,614 kg
Owner complaints
2020 Hyundai Sonata178
2020 Kia Optima146
NCAP overall rating
2020 Hyundai Sonata5
2020 Kia Optima5

Side by side

The better figure is highlighted where one is clearly better.

Specification2020 Hyundai Sonata2020 Kia Optima
CO2180.8 g/km205.1 g/km
Combined7.6 l/100km8.7 l/100km
Complaints178146
Cylinders44
Displacement2,500 cc2,400 cc
DriveFront-Wheel DriveFront-Wheel Drive
Emission standardL3SULEV30L3ULEV70
Extra-urban6.5 l/100km7.3 l/100km
FuelRegular GasolineRegular Gasoline
Gears86
Gross weight1,974.9 kg2,039.8 kg
Height1,450 mm1,470 mm
Kerb weight1,527 kg1,614 kg
Length4,900 mm4,860 mm
NCAP overall55
TransmissionAutomatic (S8)Automatic (S6)
Urban8.7 l/100km9.8 l/100km
Wheelbase2,840 mm2,810 mm
Width1,860 mm1,860 mm

More on these cars

2020 Hyundai SonataAll Hyundai model years2020 Kia OptimaAll Kia model years

Other 2020 comparisons in this class

2020 Honda Accord vs 2020 Hyundai Elantra GT2020 Honda Accord vs 2020 Hyundai Sonata2020 Honda Accord vs 2020 Kia Optima2020 Honda Accord Hybrid vs 2020 Hyundai Sonata2020 Dodge Charger vs 2020 Kia Optima

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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