Caterham 21 Transmission Information in Quick-to-Read Graphs

Average transmission load (Nm)

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Quick notes on Caterham 21 transmission

    • Drive: Rear wheel drive
    • Gearbox construction: Manual
    • Transmission type: 6 MT
    • Average acceleration: 5.4 s to 60 mph
    • Average optimal engine speed: 7075 rpm
    • Average torque: 175 Nm
    • Weight to torque ratio: 4 kg to 1 Nm
    • Average weight: 650 kg / 1433 lbs
    • Maximum load for transmission: 965 kg / 2128 lbs
    • Gearboxy rating: 2 / 10

Gearbox types in 1994 Caterham 21 through generations

  • 1.6 i 16V —6 MT (149 Nm)
  • 1.8 i 16V —6 MT (203 Nm)
  • 1.8 i 16V Supersport —6 MT (167 Nm)
  • 1.8 i 16V U347WC —6 MT (180 Nm)
  • Acceleration with different gearboxes

  • 1.6 i 16V 6 MT—5.7 s to 60 mph (6 s to 100 kmh )
  • 1.8 i 16V 6 MT—4.8 s to 60 mph (5 s to 100 kmh )
  • 1.8 i 16V Supersport 6 MT—6 s to 60 mph (6.3 s to 100 kmh )
  • 1.8 i 16V U347WC 6 MT—5 s to 60 mph (5.3 s to 100 kmh )

    Optimal engine speed at last gear

  • 1.6 i 16V 6 MT—7000 rpm.
  • 1.8 i 16V 6 MT—7500 rpm.
  • 1.8 i 16V Supersport 6 MT—6800 rpm.
  • 1.8 i 16V U347WC 6 MT—7000 rpm.
  • Vehicle Transmission type Gears Drive type Optimal rpm Transmission efficiency
    1.6 i 16V Manual 6 MT Rear wheel drive 7000 rpm. 96%
    1.8 i 16V Manual 6 MT Rear wheel drive 7500 rpm. 69%
    1.8 i 16V Supersport Manual 6 MT Rear wheel drive 6800 rpm. 96%
    1.8 i 16V U347WC Manual 6 MT Rear wheel drive 7000 rpm. 96%
    Vehicle 1.6 i 16V
    Transmission type Manual
    Gears 6 MT
    Drive type Rear wheel drive
    Optimal rpm 7000 rpm.
    Transmission efficiency 96%
    Vehicle 1.8 i 16V
    Transmission type Manual
    Gears 6 MT
    Drive type Rear wheel drive
    Optimal rpm 7500 rpm.
    Transmission efficiency 69%
    Vehicle 1.8 i 16V Supersport
    Transmission type Manual
    Gears 6 MT
    Drive type Rear wheel drive
    Optimal rpm 6800 rpm.
    Transmission efficiency 96%
    Vehicle 1.8 i 16V U347WC
    Transmission type Manual
    Gears 6 MT
    Drive type Rear wheel drive
    Optimal rpm 7000 rpm.
    Transmission efficiency 96%