Comparisons · 2025

2025 Hyundai Elantra vs 2025 Kia K4

The 2025 Hyundai Elantra uses less fuel: 7.6 against 8.1 l/100km, about 6% less. At today's US fuel prices the 2025 Hyundai Elantra costs about $444 less to fuel over five years at 15,000 km a year. Both hold the same NCAP overall rating.

2025 Hyundai Elantra leads on 3 of 3 measurable figures. 15 specifications compared.

Hyundai2025 Hyundai ElantraFull specifications →vsKia2025 Kia K4Full specifications →

Key figures

Combined fuel consumption
2025 Hyundai Elantra7.6 l/100km
2025 Kia K48.1 l/100km
CO2 emissions
2025 Hyundai Elantra179 g/km
2025 Kia K4188.3 g/km
Kerb weight
2025 Hyundai Elantra1,520 kg
2025 Kia K41,397.1 kg
Owner complaints
2025 Hyundai Elantra22
2025 Kia K445
NCAP overall rating
2025 Hyundai Elantra5
2025 Kia K45

Side by side

The better figure is highlighted where one is clearly better.

Specification2025 Hyundai Elantra2025 Kia K4
CO2179 g/km188.3 g/km
Combined7.6 l/100km8.1 l/100km
Complaints2245
Cylinders44
Displacement2,000 cc2,000 cc
DriveFront-Wheel DriveFront-Wheel Drive
Emission standardL3ULEV125L3SULEV30
Extra-urban6.7 l/100km6.5 l/100km
FuelRegular GasolineRegular Gasoline
Gears81
Gross weight1,930 kg1,860.2 kg
Kerb weight1,520 kg1,397.1 kg
NCAP overall55
TransmissionAutomatic (AM-S7)Automatic (S8)
Urban8.4 l/100km9.1 l/100km

More on these cars

2025 Hyundai ElantraAll Hyundai model years2025 Kia K4All Kia model years

Other 2025 comparisons in this class

2025 Kia K4 vs 2025 Nissan Sentra2025 Honda Accord Hybrid Sport/Touring vs 2025 Kia K42025 Hyundai Elantra vs 2025 Nissan Sentra2025 Honda Accord Hybrid Sport/Touring vs 2025 Nissan Sentra2025 Honda Accord Hybrid Sport/Touring vs 2025 Hyundai Elantra

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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