When the Corvette team went about adding the front motor from the Corvette E-Ray to the ZR1 to create the ZR1X, it was no simple feat. First, they turned up the output to 186 horsepower and 145 ...

GM's second-generation electric car with a backup gas engine is much improved. It is quicker and quieter, rides more comfortably, and has easier-to-use controls. Electric-only range is 50 miles, at ...

The standard Sonic uses an unimpressive 1.8-liter four-cylinder engine, which makes the expense of upgrading to the modestly quicker and more fuel-efficient 1.4-liter turbocharged four-cylinder ...