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

Attribute	Kia Optima I 1.8 ×	Hyundai Sonata IV (EF) 1.8 ×
General
Make	Kia	Hyundai
Model	Optima	Sonata
Generation	Optima I	Sonata IV (EF)
Modification	1.8	1.8
Website	https://www.kia.com	https://www.hyundai.com/
Number of doors	4	4
Number of seats	5	5
Body type	Sedan	Sedan
Transmission	manual	manual
Number of gears	5	5
Production from (year)	2000	1998
Production to (year)	2002	2001
Drive
Drive	Front wheel drive	Front wheel drive
Position of engine	Front, transversely	Front, transversely
Fuel	Petrol (Gasoline)	Petrol (Gasoline)
Max. power (hp)	134	133
Max. torque (Nm)	169	169
Fuel Engine
Number of cylinders	4	4
Cylinders arrangement	Inline	Inline
Valves per cylinder	4	4
Engine displacement (cm³)	1,836	1,836
Max. power @ rpm (rpm)	6,000	6,000
Max. torque @ rpm (rpm)	4,500	4,500
Cylinder bore (mm)	81.5	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	Wishbone	Independent, Spring McPherson, with stabilizer
Rear wheel suspension	Helical spring	Multi-link independent
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)	4,745	4,710
Width (mm)	1,815	1,818
Height (mm)	1,420	1,410
Wheelbase (mm)	2,700	2,700
Kerb weight (kg)	1,320	1,310
Minimum boot space (l)	479	396
Front track (mm)	1,540	1,540
Rear track (mm)	1,530	1,520
Drag coefficient (Cd)	-	0.32