General information
BrandOpel
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 typeSedan
Seats 5
Doors 4
Performance specs
Fuel Type Petrol (Gasoline)
Acceleration 0 - 100 km/h10.5 sec
Acceleration 0 - 62 mph10.5 sec
Acceleration 0 - 60 mph 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
Position of cylinders Inline
Cylinder Bore 92 mm 3.62 in.
Piston Stroke 69.8 mm 2.75 in.
Compression ratio 9.5
Number of valves per cylinder 2
Fuel System Multi-point indirect injection
Engine aspiration Naturally aspirated engine
Valvetrain SOHC
Engine oil capacity 4.5 l 4.76 US qt | 3.96 UK qt
Oil viscosity No Data
Engine oil specification
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 (manual transmission) 4
Front brakesVentilated discs
Rear brakesVentilated discs