1972 • Opel
Commodore
Opel Commodore 2.8 GS (142 Hp) 1972Overall Score56.25/100
1972 Opel Commodore vs 1978 Opel Diplomat Comparison
Compare technical specifications, scores and everyday-use differences side by side.
1978 • Opel
Diplomat
Opel Diplomat 5.3 V8 (230 Hp) 1978Overall Score72.75/100
WINNER
Opel Diplomat
Leads the overall E-Kıyasla score by 16.5 points.
56.25–72.75
SPECIFICATION GROUPS
Every difference between the two cars
Basic Specifications
Opel CommodoreSpecificationOpel Diplomat
OpelMakeOpel
CommodoreModelDiplomat
1972Model year1978
SedanBody typeSedan
5Seats5
4Doors4
Performance
Opel CommodoreSpecificationOpel Diplomat
12,0 s0–100 km/h8,5 s
184 km/hTop speed205 km/h
2784 ccEngine displacement5354 cc
142 HPPower230 HP
216 NmTorque427 Nm
6Cylinders8
Fuel & Consumption
Transmission & Chassis
Dimensions
Opel CommodoreSpecificationOpel Diplomat
4607 mmLength4920 mm
1728 mmWidth1852 mm
1405 mmHeight1450 mm
1265 KgWeight1690 Kg
2668 mmWheelbase2850 mm
E-Kıyasla Editor’s Note
1972 Opel Commodore and 1978 Opel Diplomat 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, Opel Diplomat leads the E-Kıyasla score by 16.5 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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