2011 Chevrolet Cruze

2011 Chevrolet Cruze

When the 2011 Chevrolet Cruze goes on sale later this year, 75 percent of the Chevrolet brand's vehicles will offer six-speed transmissions, according to General Motors.

GM states that six-speed automatics are smoother, more responsive, and offer up to 4 percent better fuel economy than traditional four-speed automatics. The 2010 Chevy Malibu, for example, gets 33 mpg highway when equipped with an Ecotec 2.4 liter inline four and six-speed automatic transmission while the popular 2010 Chevy Camaro gets 29 mpg highway with its direct-injection 3.6-liter V-6 mated with either a six-speed automatic or manual transmission. And the Chevrolet Cruze Eco, which will arrive standard with a six-speed manual, delivers a staggering 40 mpg highway while also being able to go from zero to 60 mph in less than 10 seconds.