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/ Comparison of Opel Commodore B Coupe 2.8 SC and Opel Diplomat B 2.8 E
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Comparison of Opel Commodore B Coupe 2.8 SC and Opel Diplomat B 2.8 E
[S]ave
Attribute
Opel Diplomat B 2.8 E
×
Opel Commodore B Coupe 2.8 SC
×
General
Make
Opel
Opel
Model
Diplomat
Commodore
Generation
Diplomat B
Commodore B Coupe
Modification
2.8 E
2.8 SC
Website
https://www.opel.com/
https://www.opel.com/
Number of doors
4
2
Number of seats
5
5
Body type
Sedan
Coupe
Transmission
manual
manual
Number of gears
4
4
Production from (year)
1969
1973
Production to (year)
1975
1975
Performance
Top speed (km/h)
190
184
Acceleration 0-100 km/h (s)
10.5
11.5
Drive
Drive
Rear wheel drive
Rear wheel drive
Fuel
Petrol (Gasoline)
Petrol (Gasoline)
Max. power (hp)
165
130
Max. torque (Nm)
229
206
Fuel Engine
Number of cylinders
6
6
Cylinders arrangement
Inline
Inline
Valves per cylinder
2
2
Engine displacement (cm³)
2,784
2,784
Compression ratio
9.5
9.5
Max. power @ rpm (rpm)
5,600
5,000
Max. torque @ rpm (rpm)
4,100
3,800
Cylinder bore (mm)
92
92
Piston stroke (mm)
69.8
69.8
Fuel system
Multi-point injection
Carburettor
Valve control
Sohc
Sohc
Fuel tank (l)
80
70
Chassis
Front brakes
Ventilated discs
Disc
Rear brakes
Ventilated discs
Drum
Turning radius (m)
11.8
11.2
Dimensions
Length (mm)
4,920
4,607
Width (mm)
1,852
1,728
Height (mm)
1,450
1,370
Wheelbase (mm)
2,850
2,668
Kerb weight (kg)
1,530
1,190
Gross weight (kg)
2,030
1,615
Minimum boot space (l)
475
434
Front track (mm)
1,510
1,434
Rear track (mm)
1,512
1,400
Ride height (mm)
150
140
Drag coefficient (Cd)
0.45
0.45
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