Fiat 875cc TwinAir

Fiat's tiny turbocharged two cylinder won four awards in the International Engine of the Year contest, earning Best New Engine, Green Engine, Sub 1-liter Engine, and taking the overall International Engine of the Year for 2011 award.
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Fiat 500

Fiat uses the 875cc TwinAir in certain versions of its Fiat 500. In this application, the engine produces 85 horsepower but only emits 95g/km of CO2. Fiat is unlikely to offer this version of the 500 in the U.S., opting instead for its larger 1.4-liter Multiair engine.
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Ferrari 4.5-liter V-8

Ferrari's new V-8 took two categories in the International Engine contest. It won for Best Performance Engine and in the Above 4-liter category. This 4.5-liter V-8 uses direct injection and very high compression to produce 560 horsepower.
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Photo by: Wayne Cunningham/CNET / Caption by:

Ferrari 458 Italia

This engine appears in Ferrari's new 458 Italia, getting the car to 62 mph in under 3.2 seconds.
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Photo by: Wayne Cunningham/CNET / Caption by:

Volkswagen 1.4-liter TSI Twincharger

Volkswagen's engine won the 1-liter to 1.4-liter engine category. The power plant uses both a supercharger and a turbocharger to eliminate lag and force induction, pushing its power output up to 185 horsepower.
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Volkswagen Jetta

Volkswagen uses its 1.4-liter TSI Twincharger in the Jetta, the Golf, and the Tiguan, but not in U.S. models.
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Photo by: Josh Miller/CNET / Caption by:

BMW 1.6-liter turbo

BMW took the 1.4-liter to 1.8-liter category with its turbocharged and direct-injection 1.6-liter. BMW technologies such as Valvetronic, which use valve lift control for throttle control, helped the engine achieve its victory.
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Photo by: Josh Miller/CNET / Caption by:

Mini Cooper S Countryman

U.S. drivers will experience the BMW 1.6-liter turbo in the Mini Cooper S and its variants, in which it produces 181 horsepower.
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Photo by: Josh Miller/CNET / Caption by:

BMW 2-liter twin-turbo diesel

The only diesel engine to earn an award comes from BMW, and takes the 1.8-liter to 2-liter category. This engine uses two turbochargers, a small one to build up initial pressure, and a larger one for higher engine speeds.
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Photo by: James Martin/CNET / Caption by:

BMW 123d

BMW does not make its 2-liter twin-turbo diesel available in the U.S. In Europe, it powers the 123d, a 1-series hatchback, making 201 horsepower and 295 pound-feet of torque.
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Photo by: James Martin/CNET / Caption by:

Audi 2.5-liter turbo

The 2-liter to 2.5-liter category goes to Audi's 2.5-liter turbo. With direct injection and a turbocharger, this five-cylinder engine produces 315 horsepower, yet has achieved over 30 mpg in European fuel economy testing.
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Audi TT RS

Audi uses the 2.5-liter turbo in its Audi TT RS, getting it to 62 mph in 4.7 seconds. Audi is expected to bring the TT RS to the U.S. later this year.
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BMW 3-liter DI Twin-Turbo

The star of the 2.5-liter-to-3-liter category is BMW's direct-injection turbocharged 3-liter. A straight six-cylinder engine, it uses a variety of BMW technologies to achieve power and efficiency.
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BMW 740i

BMW uses its BMW 3-liter DI Twin-Turbo in a wide range of its vehicles, from the 1-series M coupe to the luxury 740i sedan.
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BMW 4-liter V-8

The 3-liter-to-4-liter category winner is BMW's 4-liter V-8. One of BMW's M series of engines, this power plant produces 420 horsepower. Judges noted its responsiveness and BMW's technology.
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BMW M3 Coupe

BMW uses the 4-liter V-8 in its M3, a suitable car for this big engine. In this application, it gets the M3 to 60 mph in 4.2 seconds.
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