Driving Line compares the GM 4.2-liter inline-six-cylinder Vortec 4200 to Toyota's 2JZ engine, one of the most powerful inline-6 engines ever put in a production car. While the production GM 4.2 ...

General Motors can trace its roots all the ... Based on the same engine family as the above-mentioned 4200 Vortec six-cylinder, the Atlas was a 3.5-liter inline five-cylinder engine.