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.

The 4.2-liter Atlas engine was a groundbreaking engine for GM. It featured an all-aluminum construction, dual overhead cams with variable valve timing on the exhaust side, four valves per cylinder ...

The 1HD-FTE 4.2-liter six-cylinder turbo diesel engine from Toyota is often regarded as one of the best ever built, and it's ...