Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

Mercedes-AMG's innovative M139 engine, combined with electrified tech, creates the most powerful four-cylinder powertrain.

The in-line four-cylinder is the most widely used car engine in the world. But it wasn't always the case. Following the 1970s and 1980s oil crisis, auto manufacturers began downsizing to smaller ...

Mercedes-AMG has just announced that, as of this fall, the brand sell you a new four-cylinder variant of the second-generation AMG GT coupe, for a starting price of $107,050. That makes this new entry ...

While electric and hybrid power trains are leading in the performance race, when it comes to pure internal combustion engines, you'd think the only way to achieve horsepower heaven would be to get a ...

View post: Walmart’s $1,278 Electric Tricycle Is on Sale for 48% Off, and It Can Reach Up to 18 MPH Judging by its 578 five-star ratings, quite a few shoppers seem to agree that the kit is well worth ...

From the October 1987 issue of HOT ROD: A Super Duty conversion kit that could give your Fiero the kind of performance its styling implied. Pontiac's Super Duty 4-cylinder engine has established a ...

It's an argument practically as old as the combustion engine itself: What's the best configuration of cylinders? V6 or V8, V8 or V12, straight engines versus V engines, and so on. And, in this case, ...