Comparison of Kia Optima I 1.8 and Hyundai Sonata IV (EF) 2.0 Automatic

Attribute	Hyundai Sonata IV (EF) 2.0 Automatic ×	Kia Optima I 1.8 ×
General
Make	Hyundai	Kia
Model	Sonata	Optima
Generation	Sonata IV (EF)	Optima I
Modification	2.0 Automatic	1.8
Website	https://www.hyundai.com/	https://www.kia.com
Number of doors	4	4
Number of seats	5	5
Body type	Sedan	Sedan
Transmission	automatic	manual
Number of gears	4	5
Production from (year)	1998	2000
Production to (year)	2001	2002
Drive
Drive	Front wheel drive	Front wheel drive
Position of engine	Front, transversely	Front, transversely
Fuel	Petrol (Gasoline)	Petrol (Gasoline)
Max. power (hp)	147	134
Max. torque (Nm)	190	169
Fuel Engine
Number of cylinders	4	4
Cylinders arrangement	Inline	Inline
Valves per cylinder	4	4
Engine displacement (cm³)	1,997	1,836
Compression ratio	10	-
Max. power @ rpm (rpm)	6,000	6,000
Max. torque @ rpm (rpm)	4,500	4,500
Cylinder bore (mm)	85	81.5
Piston stroke (mm)	88	88
Fuel system	Multi-point injection	Multi-point injection
Valve control	Dohc	Dohc
Fuel tank (l)	65	65
Chassis
ABS	+	+
Front wheel suspension	Independent, Spring McPherson, with stabilizer	Wishbone
Rear wheel suspension	Multi-link independent	Helical spring
Steering type	Steering rack	Steering rack
Power steering	Hydraulic Steering	Hydraulic Steering
Front brakes	Ventilated discs	Ventilated discs
Rear brakes	Disc	Disc
Tires size	195/70 R14	195/70 R14
Turning radius (m)	10.5	-
Dimensions
Length (mm)	4,710	4,745
Width (mm)	1,818	1,815
Height (mm)	1,410	1,420
Wheelbase (mm)	2,700	2,700
Kerb weight (kg)	1,330	1,320
Minimum boot space (l)	396	479
Front track (mm)	1,540	1,540
Rear track (mm)	1,520	1,530
Drag coefficient (Cd)	0.32	-