Chevrolet makes Stop/Start standard on base 4-cylinder in 2015 Impala; 5% improvement in city fuel economy
Green Car Congress
MAY 22, 2014
Stop/start technology will be standard on the 2015 Impala base 2.5-liter For the 2015 model year, the Impala will be available with two powertrains, a standard 2.5L Impala with stop/start yields an EPA-estimated fuel economy of 22 mpg city (10.7 l/100 km), 31 mpg (7.6 l/100 km) for the highway and 25 mpg (9.4
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