Production of the four-cylinder engines is targeted to begin in December 2010.

An EcoBoost four-cylinder has the power of a V-6, for example.

Mechanically this new BMW features the brand's latest range of turbocharged four-cylinder engines.

Power comes from the same 1200-cc four-cylinder engine BMW uses in its K-bikes.

Sunday run Iain: The four-cylinder petrol engine's not one for the performance enthusiast.

At crawl speeds, with low-range engaged, the three-litre four-cylinder engine is entirely adequate.

Powering the GLB is a familiar range of Mercedes-Benz four-cylinder engines, all turbocharged.

This was a long narrow affair with a four-cylinder thirty-horsepower engine.

In a four-cylinder kind of way, but it still gets kicked.

Daimler benefits from economies of scale for small three- and four-cylinder engines, Weber said.

Both engines are evolutions of the current four-cylinder family shared by Audi and Volkswagen.

The last time Holden sold a four-cylinder Commodore in the early 1980s, sales tanked.

The car also features the same range of four-cylinder engines.

Benz's turbocharged four-cylinder is a willing unit, delivering plenty of grunt off the mark.

The Cruze qualified because it was a fuel-efficient four-cylinder car.

Palmer, how long would it take you to strap those big four-cylinder carburetors on?