Filed under: Sedan , Buick , Chevrolet , GM Straight from the “No Surprise” department comes word from GMInsideNews that all of General Motors mid-size offerings will come equipped with four-cylinder engines as the only available powerplant. GM has made it clear for the last few years that a large part of its future product strategy is to downsize its engine line-up in preparation for the new 2015 CAFE standards. The shift has already begun with the introduction of the 2011 Buick Regal , available with either a 182-horsepower direct injected 2.4-liter or a turbocharged 2.0-liter putting out 220 hp and 258 pound-feet of torque. The next model to go all-four-banger will be the next generation Chevrolet Malibu , slated to arrive late next year and likely packing – to begin with – the same 2.4-liter four

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Rumormill: General Motors mid-size sedans going all four-cylinder