Comparisons · 2018

2018 Hyundai Sonata vs 2018 Kia Optima

The 2018 Hyundai Sonata has fewer NHTSA recalls (1 against 2). Both hold the same NCAP overall rating.

2018 Hyundai Sonata leads on 2 of 3 measurable figures. 20 specifications compared.

Hyundai2018 Hyundai SonataFull specifications →vsKia2018 Kia OptimaFull specifications →

Key figures

Combined fuel consumption
2018 Hyundai Sonata7.6 l/100km
2018 Kia Optima7.6 l/100km
CO2 emissions
2018 Hyundai Sonata176.5 g/km
2018 Kia Optima177.7 g/km
Kerb weight
2018 Hyundai Sonata1,572 kg
2018 Kia Optima1,630 kg
NHTSA recalls
2018 Hyundai Sonata1
2018 Kia Optima2
Owner complaints
2018 Hyundai Sonata373
2018 Kia Optima232
NCAP overall rating
2018 Hyundai Sonata5
2018 Kia Optima5

Side by side

The better figure is highlighted where one is clearly better.

Specification2018 Hyundai Sonata2018 Kia Optima
CO2176.5 g/km177.7 g/km
Complaints373232
Recall campaigns12
Combined7.6 l/100km7.6 l/100km
Cylinders44
Displacement2,000 cc2,000 cc
DriveFront-Wheel DriveFront-Wheel Drive
Emission standardU2U2
Extra-urban6.4 l/100km6.4 l/100km
FuelRegular GasolineRegular Gasoline
Gears66
Gross weight2,100.1 kg2,100.1 kg
Height1,480 mm1,470 mm
Kerb weight1,572 kg1,630 kg
Length4,860 mm4,860 mm
NCAP overall55
TransmissionAutomatic (AM7)Automatic (AM7)
Urban8.4 l/100km8.4 l/100km
Wheelbase2,810 mm2,810 mm
Width1,870 mm1,860 mm

More on these cars

2018 Hyundai SonataAll Hyundai model years2018 Kia OptimaAll Kia model years

Other 2018 comparisons in this class

2018 Honda Accord vs 2018 Hyundai Sonata2018 Honda Accord vs 2018 Kia Optima2018 Chrysler 300 vs 2018 Hyundai Sonata2018 Honda Accord Hybrid vs 2018 Hyundai Sonata2018 Chrysler 300 vs 2018 Kia Optima2018 Dodge Charger vs 2018 Kia Optima2018 Honda Accord Hybrid vs 2018 Kia Optima2018 Chrysler 300 vs 2018 Dodge Charger2018 Chrysler 300 vs 2018 Honda Accord Hybrid2018 Chrysler 300 AWD vs 2018 Dodge Charger AWD

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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