German manufacturers dominated this year's competition, winning 11 out of the 12 available awards. In the other categories, Porsche's direct injection 3.8-liter flat-six was named Best New Engine of 2009 while Mercedes' 6.2-liter V8 AMG unit won the Performance Engine of the Year as well as the Above 4-litre category.
Mercedes also took home an award for its 2.1-litre diesel unit that won the 2-litre to 2.5-litre category.
Last year's overall winner, BMW, secured three awards, the 3-litre to 4-litre category with the M3's 4.0-liter V8, the 2.5-litre to 3-litre class with its 3.0-liter twin-turbocharged inline-six and along with the PSA Citroen-Peugeot group, the 1.4-litre to 1.8-litre category with their 1.6-liter Turbo engine.
Toyota won the Sub 1-litre category with its 998cc, three-cylinder engine while Audi was rewarded for its 2.0-litre, four-cylinder TFSI engine in the 1.8-litre to 2-litre category class.
International Engine of the Year Awards 2009 Winners
Best New Engine of 2009 -->
Porsche 3.8-litre flat-six (911)
Green Engine of the Year -->
Volkswagen 1.4-litre TSI Twincharger (Golf, Touran, Tiguan, Jetta)
Performance Engine of the Year -->
Mercedes-AMG 6.2-litre (CLK, S, SL, CL, CLS, ML)
Sub 1-litre -->Toyota 1-litre (Aygo, Yaris, Peugeot 107, Citroën C1, Subaru Justy)
1-litre to 1.4-litre -->
Volkswagen 1.4-litre TSI Twincharger (Golf, Eos, Scirocco, Touran, Tiguan, Jetta, Seat Ibiza Cupra)
1.4-litre to 1.8-litre -->
BMW-PSA 1.6-litre Turbo (MINI Cooper S, Clubman, Peugeot 207, 308
1.8-litre to 2-litre -->
Audi 2-litre TFSI (A4, A5, Q5, VW Scirocco, Golf GTi)
2-litre to 2.5-litre -->
Mercedes-Benz Diesel 2.1-litre (BlueEffieciency C-Class, BlueEffieciency E-Class)
2.5-litre to 3-litre -->
BMW 3-litre DI Twin-Turbo (135, 335, X6, Z4, 730)
3-litre to 4-litre -->
BMW 4-litre V8 (M3)
Above 4-litre -->
Mercedes-AMG 6.2-litre (CLK, S, SL, CL, CLS, ML)
The International Engine of the Year 2009:
Volkswagen 1.4-litre TSI Twincharger (Golf, Eos, Scirocco, Touran, Tiguan, Jetta, Seat Ibiza Cupra)