Comparisons / Comparison of BMW 7 Series (E23, facelift 1983) 728i Automatic and Opel Diplomat B 2.8 E

Comparison of BMW 7 Series (E23, facelift 1983) 728i Automatic and Opel Diplomat B 2.8 E [S]ave

Attribute
BMW 7 Series (E23, facelift 1983) 728i Automatic
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Opel Diplomat B 2.8 E
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General
MakeBMWOpel
Model7 SeriesDiplomat
Generation7 Series (E23, facelift 1983)Diplomat B
Modification728i Automatic2.8 E
Websitehttps://www.bmw.comhttps://www.opel.com/
Number of doors44
Number of seats55
Body typeSedanSedan
Transmissionautomaticmanual
Number of gears44
Production from (year)19831969
Production to (year)19861975
Performance
Top speed (km/h)195190
Acceleration 0-100 km/h (s)11.410.5
City consumption (l/100km)14.5-
Extra-urban consumption (l/100km)7.8-
Combined consumption (l/100km)10.7-
Drive
DriveRear wheel driveRear wheel drive
Position of engineFront,ongitudinal-
FuelPetrol (Gasoline)Petrol (Gasoline)
Max. power (hp)184165
Max. torque (Nm)240229
Fuel Engine
Number of cylinders66
Cylinders arrangementInlineInline
Valves per cylinder22
Engine displacement (cm³)2,7882,784
Compression ratio9.39.5
Max. power @ rpm (rpm)5,8005,600
Max. torque @ rpm (rpm)4,2004,100
Cylinder bore (mm)8692
Piston stroke (mm)8069.8
Fuel systemMulti-point injectionMulti-point injection
Valve control-Sohc
Fuel tank (l)10080
Chassis
Front wheel suspensionIndependent, Spring McPherson, with stabilizer-
Rear wheel suspensionIndependent, spring-
Front brakesDiscVentilated discs
Rear brakesDrumVentilated discs
Tires size
  • 195/70 HR 14
-
Turning radius (m)11.611.8
Dimensions
Length (mm)4,8604,920
Width (mm)1,8001,852
Height (mm)1,4301,450
Wheelbase (mm)2,7952,850
Kerb weight (kg)1,4901,530
Gross weight (kg)1,9802,030
Minimum boot space (l)480475
Front track (mm)1,5021,510
Rear track (mm)1,5241,512
Ride height (mm)-150
Drag coefficient (Cd)0.40.45



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