Ariel has revealed the latest iteration of the super-lightweight Atom, taking the covers off it at the Goodwood Festival of Speed in a surprise unveiling.
Named the 4R, it packs a 2.0-litre Honda-derived iVTEC four-pot – also used in the new 325bhp Civic Type R – tuned in-house to produce to 400bhp and 369lb ft, an increase of 25% over the standard engine.
This makes it the second most powerful Atom to date, behind only the monstrous 473bhp Atom V8, and the fastest four-pot Atom yet.
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