Is Pagani’s Huayra R the most extreme hypercar in the world? Only 30 editions of this super-light, retro-inspired track car will ever be produced

• The specs speak for themselves: the Pagani V12-R is a 12-cylinder, six-litre, naturally aspirated racing engine that delivers 850 horsepower
• But it’s about more than brute power and new tech: visionary boss Horacio Pagani has looked to decades past to inspire a futuristic thing of beauty