| General information |
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| Brand | Opel |
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| Model | Diplomat |
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| Generation | Diplomat B |
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| Modification (Engine) | 2.8 E (165 Hp) |
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| Start of production | 1969 year |
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| End of production | 1975 year |
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| Powertrain Architecture | Internal Combustion engine |
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| Body type | Sedan |
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| Seats | 5 |
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| Doors | 4 |
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| Performance specs |
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| Fuel Type | Petrol (Gasoline) |
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| Acceleration 0 - 100 km/h | 10.5 sec |
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| Acceleration 0 - 62 mph | 10.5 sec |
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| Acceleration 0 - 60 mph | 10 sec |
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| Maximum speed |
190 km/h
118.06 mph |
| Weight-to-power ratio | 9.3 kg/Hp, 107.8 Hp/tonne |
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| Weight-to-torque ratio | 6.7 kg/Nm, 149.7 Nm/tonne |
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| Engine specs |
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| Power | 165 Hp @ 5600 rpm. |
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| Power per litre | 59.3 Hp/l |
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| Torque |
229 Nm @ 4100-4600 rpm.
168.9 lb.-ft. @ 4100-4600 rpm. |
| Engine Model/Code | 28E |
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| Engine displacement |
2784 cm3
169.89 cu. in. |
| Number of cylinders | 6 |
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| Position of cylinders | Inline |
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| Cylinder Bore |
92 mm
3.62 in. |
| Piston Stroke |
69.8 mm
2.75 in. |
| Compression ratio | 9.5 |
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| Number of valves per cylinder | 2 |
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| Fuel System | Multi-point indirect injection |
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| Engine aspiration | Naturally aspirated engine |
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| Valvetrain | SOHC |
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| Engine oil capacity |
4.5 l
4.76 US qt | 3.96 UK qt |
| Oil viscosity | No Data |
| Engine oil specification |
|
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| Space, Volume and weights |
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| Kerb Weight |
1530 kg
3373.07 lbs. |
| Max. weight |
2030 kg
4475.38 lbs. |
| Max load |
500 kg
1102.31 lbs. |
| Trunk (boot) space - minimum |
475 l
16.77 cu. ft. |
| Fuel tank capacity |
80 l
21.13 US gal | 17.6 UK gal |
| Permitted trailer load with brakes (12%) |
1400 kg
3086.47 lbs. |
| Permitted trailer load without brakes |
700 kg
1543.24 lbs. |
| Dimensions |
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| Length |
4920 mm
193.7 in. |
| Width |
1852 mm
72.91 in. |
| Height |
1450 mm
57.09 in. |
| Wheelbase |
2850 mm
112.2 in. |
| Front track |
1510 mm
59.45 in. |
| Rear (Back) track |
1512 mm
59.53 in. |
| Ride height (ground clearance) |
150 mm
5.91 in. |
| Drag coefficient (Cd) | 0.45 |
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| Minimum turning circle (turning diameter) |
11.8 m
38.71 ft. |
| Drivetrain, brakes and suspension specs |
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| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
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| Drive wheel | Rear wheel drive |
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| Number of Gears (manual transmission) | 4 |
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| Front brakes | Ventilated discs |
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| Rear brakes | Ventilated discs |
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|
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