Even the engine's base form is confusing with common designations like V-Twin, inline-four, straight-six, V6, and V8. Throw in V16 and the weirder-sounding W16 and it almost becomes a foreign ...

That's because only 150 of the Gumpert Apollo S model were made ... The Devel Sixteen, created by Devel Motors, has a quad ...

with the cam drivers in the centre of the engine to create a single 1487cc V16. Rolls-Royce was commissioned to design a two-stage centrifugal supercharger in a similar vein to the one fitted to ...