You might find a smaller diesel engine in a lawnmower, but this is as small as it gets in a passenger vehicle.
Ferrari, Lamborghini, McLaren, and Bugatti are all examples of high-profile supercar manufacturers that have created some of the most intense production vehicles in automotive history. Something else ...
Gearheads love to say that there's no replacement for displacement, but when you've got small engines more powerful than muscle car V8s, times have changed.