Comparisons · 2017

2017 Hyundai Sonata vs 2017 Kia Optima

The 2017 Kia Optima uses less fuel: 8.4 against 9.1 l/100km, about 8% less. At today's US fuel prices the 2017 Kia Optima costs about $621 less to fuel over five years at 15,000 km a year. Both hold the same NCAP overall rating.

2017 Kia Optima leads on 3 of 3 measurable figures. 17 specifications compared.

Hyundai2017 Hyundai SonataFull specifications →vsKia2017 Kia OptimaFull specifications →

Key figures

Combined fuel consumption
2017 Hyundai Sonata9.1 l/100km
2017 Kia Optima8.4 l/100km
CO2 emissions
2017 Hyundai Sonata215.6 g/km
2017 Kia Optima199.5 g/km
Kerb weight
2017 Hyundai Sonata1,590 kg
2017 Kia Optima1,630 kg
NHTSA recalls
2017 Hyundai Sonata3
2017 Kia Optima3
Owner complaints
2017 Hyundai Sonata764
2017 Kia Optima255
NCAP overall rating
2017 Hyundai Sonata5
2017 Kia Optima5

Side by side

The better figure is highlighted where one is clearly better.

Specification2017 Hyundai Sonata2017 Kia Optima
CO2215.6 g/km199.5 g/km
Combined9.1 l/100km8.4 l/100km
Complaints764255
Cylinders44
Displacement2,400 cc2,400 cc
DriveFront-Wheel DriveFront-Wheel Drive
Extra-urban7.6 l/100km6.9 l/100km
FuelRegular GasolineRegular Gasoline
Height1,480 mm1,470 mm
Kerb weight1,590 kg1,630 kg
Length4,860 mm4,860 mm
NCAP overall55
Recall campaigns33
TransmissionAutomatic (S6)Automatic (S6)
Urban10.7 l/100km9.8 l/100km
Wheelbase2,810 mm2,810 mm
Width1,870 mm1,860 mm

More on these cars

2017 Hyundai SonataAll Hyundai model years2017 Kia OptimaAll Kia model years

Other 2017 comparisons in this class

2017 Chevrolet Impala vs 2017 Hyundai Sonata2017 Dodge Charger vs 2017 Kia Optima2017 Chevrolet Impala vs 2017 Kia Optima2017 Chevrolet Impala vs 2017 Dodge Charger

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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