25 May '13, 7pm

2014 Impala's 2.5L I4 Promises To Use Less but against an Avalon Hybrid?: ^WG

2014 Impala's 2.5L I4 Promises To Use Less but against an Avalon Hybrid?: ^WG

The comparison was pretty even until we got to the pump. Wayne Gerdes - CleanMPG - May 25, 2013 The Full sized 2014 Chevrolet Impala - $27,535 to start and a 21/31 mpgUS rating with the 2.5L I4. Unfortunately the LS trimmed 2014 Impala lacks even A/C so it will not be on anyone’s purchase list. Add $2,250 for this item… It does however promise to be less thirsty thanks to its upcoming 2.5L I4 with a new advanced valvetrain. In practice the 305 horsepower 3.6L is powerful – as in and 0-60 mph time of just in just 6.8 seconds -- but impractical. Fortunately more than 2/3 of Chevrolet buyers purchased an I4 in the first quarter of 2013 according to the company sales reports. Intake Valve Lift Control In older engines, valves operate on mechanical camshaft rotation, opening and closing the same way all the time. And like most modern vehicles, Chevy’s system now allows the valv...

Full article: http://www.cleanmpg.com/forums/showthread.php?p=378122

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