The Ariel Atom V8 is bonkers. 500bhp in a car that weighs 550kg, giving a power to weight ratio of over 900bhp per ton and 0-60mph in a claimed 2.3sec. According to Ariel boss Simon Saunders ...

Despite being 100 horsepower down, the new Atom 4R shows the legendary Atom V8 its taillights ... which posted a 1:16.8. Ariel no longer sells a V-8-powered Atom, but it'll sell you something ...