Ariel hasn't provided hard specifics on the car yet, but assumes it'll be quicker than 4R's 2.7-second 0-60 mph run, though its 170 mph top speed may be affected by all that aero.

To celebrate the occasion, autoevolution was pleased to sit down with the father and son duo that keeps one of Britain's most ...

Henry Siebert-Saunders places the 4R as an evolution of the 3.5R. The Ariel director said that his team is pretty proud of all the changes their "ultimate driver's car" achieved in this new iteration.

Ariel launched its first car, the Atom in the UK in 2000. The Atom was a totally new take on performance, applying a dedication to reducing weight that would impress even Lotus. However, it wouldn ...