Here are the basics on 2 new turbo 4 cylinders:
For 2010:
1.4L turbocharged gasoline engine:
120-140 hp
129-148 Lb. Ft. Torque
For 2009 Zafira:
1.6L turbocharged Compressed Natural Gas engine:
150 hp
155 Lb. Ft. Torque
Quote:
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General Motors has developed two brand-new engines for vehicles marketed in Europe and other regions, a 1.4-liter Turbo gasoline unit and a 1.6-liter Turbo natural gas unit. Starting off with the new 1.4-liter turbocharged 4-cylinder engine, it will be offered in vehicles worldwide starting in 2010 with outputs ranging from 120 hp to 140 hp and torque values of 175 to 200 Nm.
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If the efficiency on that 1.4L with 140hp and 148 tq. can get up over 40 mpg, I think it would make a great replacement for the 2.2L we see here now. It's more complex with the turbo, but I can see a lot of people going that route to get great efficiency without trading in on power. At the very least, the GMDAT/global Chevy vehicles could really use this.