Neha Patil (Editor)

Fiat TwinAir engine

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Production
  
2010–present

Configuration
  
Straight-two

Fiat TwinAir engine

Manufacturer
  
Fiat Powertrain Technologies

Also called
  
SGE (Small Gasoline Engine)

Displacement
  
1.0 L (964 cc) (naturally aspirated) 0.9 L (875 cc) (turbocharged)

Cylinder bore
  
83.5 mm (3.29 in) (naturally aspirated) 80.5 mm (3.17 in) (turbocharged)

Fiat's TwinAir engine is an inline-two engine designed by Fiat Powertrain Technologies as part of its Small Gasoline Engine (SGE) family — employing Fiat’s Multiair hydraulically-actuated variable valve timing (VVT) technology.

Contents

Offered in a variety of FCA vehicles in turbocharged and naturally aspirated variants, the engine is noted for its reduced size, weight, fuel consumption and CO2 emissions.

In the 2011 International Engine of the Year awards, the 875cc TwinAir won Best Engine Under 1 Liter, Best New Engine, Best Green Engine and International Engine of the Year. Dean Slavnich, editor of Engine Technology International and co-chairman of the International Engine of the Year Awards, called the Twinair one of the "all-time great engines.”

Development and launch

Fiat's Twinair debuted at Internationale Automobil-Ausstellung 2007 in the Fiat Panda Aria concept car. as an 80 PS, turbocharged, CNG-hydrogen mix and gasoline bifuel unit.

The production TwinAir engine was launched at the 2010 Geneva Motor Show in 85 PS, turbocharged gasoline form and became available later in 2010 in the Fiat 500.

Applications

  • Fiat 500
  • Fiat Panda
  • Fiat Punto
  • Fiat 500L
  • Lancia Ypsilon
  • Alfa Romeo MiTo
  • Awards

  • Technobest 2010
  • Die Besten Autos 2011:
  • Paul Pietsch Prize
  • International Engine of the Year 2011:
  • International Engine of the Year
  • Sub 1-litre class
  • Best New Engine
  • Best Green Engine
  • International Engine of the Year 2013:
  • Best Green Engine (TwinAir CNG bifuel)
  • References

    Fiat TwinAir engine Wikipedia