FILE - In this Monday, Jan. 14, 2013, file photo, the 2014 Chevrolet Corvette Stingray is revealed at media previews for the North American International Auto Show in Detroit. Maybe it was the brand new, bright red Chevrolet Corvette gleaming in one corner, or the elegant BMW coupe in the other, but car companies were positively giddy this week as the North American International Auto Show opened in Detroit. U.S. new car and truck sales reached a five-year high of 14.5 million in 2012, and many executives and analysts think they'll climb to 15.5 million this year. (AP Photo/Paul Sancya, file)
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FILE - In this Monday, Jan. 14, 2013, file photo, the 2014 Chevrolet Corvette Stingray is revealed at media previews for the North American International Auto Show in Detroit. Maybe it was the brand new, bright red Chevrolet Corvette gleaming in one corner, or the elegant BMW coupe in the other, but car companies were positively giddy this week as the North American International Auto Show opened in Detroit. U.S. new car and truck sales reached a five-year high of 14.5 million in 2012, and many executives and analysts think they'll climb to 15.5 million this year. (AP Photo/Paul Sancya, file)
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In this Wednesday, Jan. 9, 2013 photo, Chevy trucks line the lot of a dealer in Murrysville, Pa. Ford, Chrysler and General Motors all reported double-digit gains for January as last year’s momentum in U.S. auto sales continued into 2013, according to reports Friday, Feb. 1, 2013. (AP Photo/Gene J. Puskar)
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In this Wednesday, Dec. 5, 2012, photo, Honda Civic and Honda CRVs are seen outside of a Honda car dealership in Des Plaines, Ill. The U.S. auto industry ended 2012 on a high note, with December sales the strongest they have been since before the recession. Analysts predict an even bigger year in 2013, as a stronger economy, low-interest rates, aging cars on the road and competitive new products continue to draw buyers to dealerships. (AP Photo/Nam Y. Huh)
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FILE - In this Tuesday, May 19, 2009, file photo, Larry Warner pressure tests lines for the turbocharger on Ford's EcoBoost V-6 at Cleveland Engine Plant No. 1 in Brook Park, Ohio. Consumer Reports is warned car buyers on Tuesday, Feb. 5, 2013, that turbocharged engines may not deliver the speed or fuel economy they expect. (AP Photo/Mark Duncan)
Consumer Reports questions turbocharged engines
DETROIT (
AP) — Consumer Reports is warning car buyers that turbocharged engines may not deliver the speed or fuel economy they expect.
The magazine said Tuesday that its tests showed turbocharged models from Ford, Hyundai and Kia are less efficient than competitors. It also said the turbocharged Chevrolet Cruze got little extra power or fuel economy than a non-turbocharged engine.
The magazine did praise a turbocharged four-cylinder from BMW.
Turbochargers pump extra air into engines so more fuel can be added to boost power. Carmakers charge more for them, promising extra power.
Consumer Reports said a new Ford Fusion with an optional 1.6-liter EcoBoost engine was slower and got lower fuel economy than a Toyota Camry, Honda Accord or Nissan Altima with regular engines.
Ford said it can't speak for Consumer Reports' tests, but its surveys show EcoBoost customers are satisfied with their fuel economy.
A spokeswoman for General Motors Co. says the Cruze turbocharged engine provides more power and better acceleration when compared with the non-turbocharged engine. She said people who drive with a heavy foot on the accelerator of a turbocharged engine won't see a lot of gas mileage benefits.
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