As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...

When comparing engine specs for nearly any combustion engine automobile, we see a number of variations available with differing outputs of horsepower and torque. We often have a choice of gasoline or ...

The BMW S63 engine is a high-performance, twin-turbocharged 4.4 liter V8 that has powered a range of BMW M models since its debut in 2010. Found in vehicles like the F10 M5, F12/F13 M6, F91/92/93 M8, ...

BMW’s B38 engine rarely gets the spotlight, but it has quietly become one of the most important powerplants in the company’s modern lineup. As a turbocharged 1.5-liter three-cylinder, the B38 sits at ...