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Six-speed Automatic Transmissions on its way in 12 2011 Chevrolet Models

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Khatir Soltani
As reported by General Motors

Detroit
– With the introduction of the all-new Chevrolet Cruze, 12 Chevrolet models will be offered with fuel-saving, six-speed automatic transmissions. Chevrolet has quickly become a leader in six-speed automatics, which will be available on 75 percent of all Chevrolet cars, trucks, SUVs and crossovers for 2011. Compared to traditional four-speed automatics, six-speed automatics offer consumers up to four percent better fuel economy, and smoother, more responsive vehicle performance.

Photo: General Motors

“Our advanced six-speed transmissions offer customers wide-ranging benefits,” said Charlie Klein, Director, GM Global Mass, Energy and Aerodynamics, “including reduced cost of ownership, improved vehicle performance, lower CO2 emissions, and a lesser dependence on foreign oil. As such, the wide availability of six-speed transmissions is a real advantage for Chevrolet customers.”

The Chevrolet Cruze, which goes on sale in the third-quarter of 2010, will be available with either a six-speed manual or automatic transmission. With either transmission, the Cruze will deliver impressive fuel economy and performance. For example, the Cruze Eco model is expected to accelerate from 0 to 60 miles per hour in less than 10 seconds and deliver a class-leading 40 miles per gallon on the highway when equipped with the manual transmission (estimates for the Cruze Eco with an automatic transmission will be available closer to launch).

According to Mark Gilmore, global engineering director for manual transmissions, the Cruze lineup represents an example of how six-speed transmissions can provide customers better performance and reduced fuel consumption:

"Six-speed transmissions inherently offer increased flexibility over four- or five-speed transmissions to fine tune the gear ratios to specific engine characteristics and vehicle performance targets. In the case of the Cruze Eco, we have developed a unique combination of speed gear ratios and a final drive ratio that provide very good vehicle launch and low-speed performance along with three overdrive speeds (fourth, fifth and sixth) which enable excellent highway fuel economy and passing performance.”

2011 Chevrolet Cruze (Photo: General Motors)
Khatir Soltani
Khatir Soltani
Automotive expert
  • Over 6 years experience as a car reviewer
  • Over 50 test drives in the last year
  • Involved in discussions with virtually every auto manufacturer in Canada