Kia K9 (2018 – 2021) vs Mercedes-AMG GT 4-DOOR COUPE (2018 – 2025): specs compared

Both offer around 370 hp at most. The Mercedes-AMG GT 4-DOOR COUPE uses less fuel, from 9.4 L/100 km against 11.2 L/100 km. At 5,121 mm, the Kia K9 is 66 mm longer than the Mercedes-AMG GT 4-DOOR COUPE.

Specification Kia K9 Kia K9 2018 – 2021 Mercedes-AMG GT 4-DOOR COUPE Mercedes-AMG GT 4-DOOR COUPE 2018 – 2025
Overview
Origin South Korea Germany
Documented years 2018 – 2021 2018 – 2025
Body style — 4 Doors · Sedan
Variants 1 1
Fuel Petrol Petrol
Drive AWD AWD
Gearbox Automatic Automatic
Performance
Power 370 hp 367 hp
Torque 510 Nm 500 Nm
0–100 km/h — 4.9 s
Top speed — 270 km/h
Economy
Fuel economy 11.2 L/100 km 9.4 L/100 km
Dimensions
Length 5,121 mm 5,055 mm
Width 1,915 mm 1,872 mm
Height 1,491 mm 1,455 mm
Wheelbase 3,104 mm 2,951 mm
Curb weight — 1,965 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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