the automaker had to make a new plan. The answer was an independently designed new inline-six, with a 3.0-liter displacement. One of the first models to use the Speed Six engine was the 2004 Sagaris.

Cummins offers its 6.7L Turbo Diesel as a crate engine in several variations. Here is how many versions it offers and the ...

Budget constraints for the British manufacturer meant the original plan to make the car all-wheel-drive and powered by a whopping 6.2-liter V12 engine fell by the wayside. In its place came a twin ...

Porsche's new patented six stroke engine might not be a thing of reality yet, but the new technology is still very ...

The diesel inline-six engine promised to deliver on all fronts, with impressive fuel efficiency ratings and plenty of grunt, too. Here's an in-depth look at the Duramax engine in question ...

Chevy almost pulled the trigger on what would have been the hottest classic turbocharged sports car of all time, but for ...

But why are most of the powerful motorcycle engines capped at four cylinders? Why not five or six? Well, during the 1960s, there was a sudden surge in the number of six-cylinder motorcycles ...

Take the Chrysler Slant-Six, for example. It was one of the most reliable and long-lasting engines of the 20th century. It wasn't built to dominate racetracks or show ther world the very edge of ...