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Roadmaster

Buick Roadmaster Transmission Information in Quick-to-Read Graphs

Average transmission load (Nm)

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Quick notes on Buick Roadmaster transmission

    • Drive: Rear wheel drive
    • Gearbox construction: Automatic
    • Transmission type: 4 AT
    • Average optimal engine speed: 5000 rpm
    • Average torque: 454 Nm
    • Weight to torque ratio: 5 kg to 1 Nm
    • Average weight: 2045 kg / 4509 lbs
    • Maximum load for transmission: 2945 kg / 6494 lbs
    • Gearboxy rating: 10 / 10

Gearbox types in Buick Roadmaster through generations

  • 5.7 i V8 —4 AT (454 Nm)

    • Optimal engine speed at last gear

  • 5.7 i V8 4 AT—5000 rpm.

    • Vehicle Transmission type Gears Drive type Optimal rpm Transmission efficiency
    5.7 i V8 Automatic 4 AT Rear wheel drive 5000 rpm. 91%
    Vehicle 5.7 i V8
    Transmission type Automatic
    Gears 4 AT
    Drive type Rear wheel drive
    Optimal rpm 5000 rpm.
    Transmission efficiency 91%

    Quick notes on Buick Roadmaster transmission

      • Drive: Rear wheel drive
      • Gearbox construction: Automatic
      • Transmission type: 4 AT
      • Average optimal engine speed: 5000 rpm
      • Average torque: 454 Nm
      • Weight to torque ratio: 4 kg to 1 Nm
      • Average weight: 1858 kg / 4097 lbs
      • Maximum load for transmission: 2713 kg / 5982 lbs
      • Gearboxy rating: 10 / 10

    Gearbox types in 1991 Buick Roadmaster through generations

  • 5.7 i V8 —4 AT (454 Nm)

    • Optimal engine speed at last gear

  • 5.7 i V8 4 AT—5000 rpm.

    • Vehicle Transmission type Gears Drive type Optimal rpm Transmission efficiency
    5.7 i V8 Automatic 4 AT Rear wheel drive 5000 rpm. 91%
    Vehicle 5.7 i V8
    Transmission type Automatic
    Gears 4 AT
    Drive type Rear wheel drive
    Optimal rpm 5000 rpm.
    Transmission efficiency 91%