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Opel
Diplomat E
(1972)




Basic (general) data

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Marque (make)Image of Opel Diplomat E
Opel
SerieDiplomat
Model family
ModelDiplomat E
Model code
Issued from1972
Issued until
Country of originDE,ZA
Number made
Body construction
Body designation

Bodywork

 
Base platform
Bodywork typesedan (saloon)
Bodywork designer
Number of doors4
Number of seats5
Cargo capacity (volume) [l / cu ft / cu ft]
Max. cargo capacity (volume) [l / cu ft / cu ft]
Passenger space (volume) [l / cu ft / cu ft]

Dimensions & Weight

 
Wheelbase [mm / in / in]2845 / 112.0 / 112.0
Track front [mm / in / in]1510 / 59.4 / 59.4
Track rear [mm / in / in]1505 / 59.3 / 59.3
Length [mm / in / in]4920 / 193.7 / 193.7
Width [mm / in / in]1852 / 72.9 / 72.9
Height [mm / in / in]1450 / 57.1 / 57.1
Length/wheelbase ratio1.73
Ground clearance [mm / in / in]150 / 5.9 / 5.9
Total (curb) weight [kg / lb / lb]1530 / 3373 / 3373
Dry weight [kg / lb / lb]
Load capacity [kg / lb / lb]
Gross (max.) weight [kg / lb / lb]
Towing weight [kg / lb / lb]
Weight distribution (front) [% / % / %]
Fuel capacity [l / UK gal / US gal]80 / 17.6 / 21.1

Aerodynamics

 
Drag coefficient
Frontal Area [m2 / sq ft / sq ft]
Cx

Engine

 
Engine Code
Engine ManufacturerOpel
Engine Typestraight (inline)
Engine Type Details
Sump
Fuelpetrol (gasoline)
Fuel details
Cam DesignOHV (overhead valve, I-head)
Total number of cylinders6
Total number of valves12
Valves per cylinder2
Engine Main bearings7
Engine construction
Bore [mm / in / in]92.0 / 3.62 / 3.62
Stroke [mm / in / in]69.8 / 2.75 / 2.75
Bore/Stroke ratio1.32
Engine displacement [cm3 / cu in / cu in]2784 / 169.9 / 169.9
Unitary capacity [cm3/cylinder / cu in/cylinder / cu in/cylinder]464.00 / 28.315 / 28.315
Compression ratio9.5
Fuel supplyBo fuel inj.
Aspirationnatural
Compressor typeN/A
Intercoolerno
Catalytic converterno
Max. output power [kW / hp / hp]123.0 / 167.2 / 167.2
Max. output power rpm [rpm / rpm / rpm]5600 / 5600 / 5600
Max. torque [Nm / lbft / lbft]229.0 / 168.9 / 168.9
Max. torque rpm [rpm / rpm / rpm]4100 / 4100 / 4100
Maximum rpm [rpm / rpm / rpm]
Coolantwater
Max. net output [kW / bhp / bhp]121.4 / 165.1 / 165.1
Specific output [kW/l / bhp/cu in / bhp/cu in]59.3 / 1.321 / 1.321
Specific torque [Nm/l / lbft/cu in / lbft/cu in]82.26 / 0.720 / 0.720

Transmission

 
Transmission typemanual
Number of gears4
Wheel driverear wheel drive
Top gear (drive) ratio1
Final gear (drive) ratio3.67

Performance

 
Acceleration 0-50 mph (80 km/h) [s / s / s]
Acceleration 0-60 mph (96 km/h) [s / s / s]
Acceleration 0-100 km/h [s / s / s]
Acceleration 0-100 mph (160 km/h) [s / s / s]
Acceleration 80-120 km/h (50-70 mph) in top [s / s / s]
0-Quarter-mile time [s / s / s]
0-Quarter-mile speed [km/h / mph / mph]
0-Kilometer time [s / s / s]
0-Kilometer speed [km/h / mph / mph]
Top (maximal) speed [km/h / mph / mph]
Fuel consumption, City (urban) [l/100km / mi/UK gal / mi/US gal]
Fuel consumption, Road (extra-urban) [l/100km / mi/UK gal / mi/US gal]
Fuel consumption, Mixed (combined) [l/100km / mi/UK gal / mi/US gal]
Fuel consumption, Euro [l/100km / mi/UK gal / mi/US gal]
CO2 emissions [g/km / g/mi / g/mi]
Power-to-weight ratio [kW/ton / bhp/ton / bhp/ton]107.84 / 146.62 / 146.62

Chassis

 
Engine locationfront
Engine alignmentlongitudinal
Steeringrecirculating ball PAS
Steering details
Turns lock-to-lock
Turning circle [m / ft / ft]10.80 / 35.43 / 35.43
Suspension frontI.W.CS.ARB.
Suspension reardD.2SwingLoTA.RA.CS.ARB.
Wheels front
Wheels rear
Tyres front
Tyres rear
Brakes frontdisc
Brakes reardisc, servo-assisted
Brakes details
Brake diameter front [mm / in / in]
Brake diameter rear [mm / in / in]
Braked area [cm2 / sq in / sq in]
 
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