Opel Diplomat Transmission Information in Quick-to-Read Graphs

Average transmission load (Nm)

Choose Generation

Quick notes on Opel Diplomat transmission

    • Drive: Rear wheel drive
    • Gearbox construction: Manual, Automatic
    • Transmission type: 4 MT, 3 AT
    • Average acceleration: 9.1 s to 60 mph
    • Average optimal engine speed: 5150 rpm
    • Average torque: 328 Nm
    • Weight to torque ratio: 5 kg to 1 Nm
    • Average weight: 1610 kg / 3550 lbs
    • Maximum load for transmission: 2330 kg / 5138 lbs
    • Gearboxy rating: 10 / 10

Gearbox types in 1969 Opel Diplomat through generations

  • 2.8 E —4 MT (229 Nm)
  • 5.3 V8 —3 AT (427 Nm)
  • Acceleration with different gearboxes

  • 2.8 E 4 MT—10 s to 60 mph (10.5 s to 100 kmh )
  • 5.3 V8 3 AT—8.1 s to 60 mph (8.5 s to 100 kmh )

    Optimal engine speed at last gear

  • 2.8 E 4 MT—5600 rpm.
  • 5.3 V8 3 AT—4700 rpm.
  • Vehicle Transmission type Gears Drive type Optimal rpm Transmission efficiency
    2.8 E Manual 4 MT Rear wheel drive 5600 rpm. 69%
    5.3 V8 Automatic 3 AT Rear wheel drive 4700 rpm. 96%
    Vehicle 2.8 E
    Transmission type Manual
    Gears 4 MT
    Drive type Rear wheel drive
    Optimal rpm 5600 rpm.
    Transmission efficiency 69%
    Vehicle 5.3 V8
    Transmission type Automatic
    Gears 3 AT
    Drive type Rear wheel drive
    Optimal rpm 4700 rpm.
    Transmission efficiency 96%