Anyone who enjoyed watching Top Gear before Jeremy Clarkson punched a producer will remember his epic review of the Ariel Atom. At the time, it started "at under £20,000" and delivered 300 bhp, thanks ...

The Atom 4RR has 525 horsepower and hits 62 miles per hour in 2.4 seconds. Ariel has introduced the fastest and most powerful Atom ever. It’s called the 4RR, and it features an upgraded 2.0-liter, ...