2012 Chevrolet Sonic 1.4L Turbo Hits 40 MPG On Highway
September 16th, 2011 | 
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The 2012 Chevrolet Sonic with a 1.4L turbo delivers an EPA-estimated 40 mpg on the highway with a 6-speed manual transmission and city fuel economy of 29 mpg. The SonicÕs highway fuel economy makes it one of the most fuel-efficient small cars in the market, on par with the 2012 Ford Fiesta SFE and the 2012 Hyundai Accent. (Photo by John F. Martin for General Motors)
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