Specifications: Opel Diplomat B 2.8 E (165 Hp) 1969, 1970, 1971, 1972, 1973, 1974, 1975

1969 Opel Diplomat B - Photo 1

Opel Diplomat B 2.8 E (165 Hp) – Full specifications
General information
Brand Opel
Model Diplomat
Generation Diplomat B
Modification (Engine) 2.8 E (165 Hp)
Start of production 1969 year
End of production 1975 year
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Performance specs
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 10.5 sec
Acceleration 0 – 62 mph 10.5 sec
Acceleration 0 – 60 mph (Calculated by Auto-Data.net) 10 sec
Maximum speed 190 km/h
118.06 mph
Weight-to-power ratio 9.3 kg/Hp, 107.8 Hp/tonne
Weight-to-torque ratio 6.7 kg/Nm, 149.7 Nm/tonne
Engine specs
Power 165 Hp @ 5600 rpm.
Power per litre 59.3 Hp/l
Torque 229 Nm @ 4100-4600 rpm.
168.9 lb.-ft. @ 4100-4600 rpm.
Engine Model/Code 28E
Engine displacement 2784 cm3
169.89 cu. in.
Number of cylinders 6
Engine configuration Inline
Cylinder Bore 92 mm
3.62 in.
Piston Stroke 69.8 mm
2.75 in.
Compression ratio 9.5:1
Number of valves per cylinder 2
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain SOHC
Engine oil capacity 4.5 l
4.76 US qt | 3.96 UK qt

Space, Volume and weights
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
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
Minimum turning circle (turning diameter) 11.8 m
38.71 ft.
Drivetrain, brakes and suspension specs
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 4 gears, manual transmission
Front brakes Ventilated discs
Rear brakes Ventilated discs

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