2003 • BMW
Z4
BMW Z4 2.5i (192 Hp) 2003Overall Score70.5/100
2003 BMW Z4 vs 2003 Kia Optima Comparison
Compare technical specifications, scores and everyday-use differences side by side.
2003 • Kia
Optima
Kia Optima 2.5 V6 (176 Hp) 2003Overall Score71.5/100
WINNER
Kia Optima
Leads the overall E-Kıyasla score by 1 points.
70.5–71.5
SPECIFICATION GROUPS
Every difference between the two cars
Basic Specifications
BMW Z4SpecificationKia Optima
BMWMakeKia
Z4ModelOptima
2003Model year2003
CabrioletBody typeSedan
2Seats5
2Doors4
Performance
BMW Z4SpecificationKia Optima
7,0 s0–100 km/h—
235 km/hTop speed209 km/h
2494 ccEngine displacement2494 cc
192 HPPower176 HP
245 NmTorque229 Nm
6Cylinders6
Fuel & Consumption
BMW Z4SpecificationKia Optima
PetrolFuel typePetrol
55 ltFuel tank65 lt
10,4 ltUrban consumption—
5,7 ltExtra-urban consumption—
7,4 ltAverage consumption—
Transmission & Chassis
BMW Z4SpecificationKia Optima
Rear-wheel driveDrivetrainFront-wheel drive
6Gears4
225/50 R16Tyre size205/60 R15
YesABSYes
Dimensions
BMW Z4SpecificationKia Optima
4091 mmLength4745 mm
1781 mmWidth1815 mm
1299 mmHeight1420 mm
1335 KgWeight1450 Kg
2495 mmWheelbase2700 mm
E-Kıyasla Editor’s Note
2003 BMW Z4 and 2003 Kia Optima approach the same decision from different angles. We compare the exact versions so changes in engine, transmission, dimensions and equipment are not hidden behind the model names.
Overall, Kia Optima leads the E-Kıyasla score by 1 points. The score provides a consistent summary, while the best choice can still change with priorities such as urban efficiency, luggage space, performance or equipment.
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