620S
The Caterham Seven 620S, launched 2016 as road-focused alternative to track-oriented 620R flagship, features supercharged Ford-sourced 2.0-liter Duratec inline-four engine producing 310 horsepower (231 kW) at 7,700 rpm and 296 Nm (219 lb-ft) torque at 7,350 rpm, paired exclusively with five-speed manual transmission driving rear wheels through extreme lightweight construction achieving just 610 kg curb weight. Extraordinary power-to-weight ratio exceeding 520 horsepower per ton enables devastating 2.8-second 0-100 km/h acceleration and 250 km/h (155 mph) top speed from minimalist open-wheel design maintaining Caterham Seven philosophy of maximum performance through minimum weight established by founder Colin Chapman.
The 620S distinguishes from hardcore 620R specification through Sport suspension setup versus Race configuration providing improved ride compliance for road use while maintaining exceptional handling precision, Avon ZZS road-biased tires versus track-focused rubber, and comprehensive weather equipment including full windscreen and optional soft-top enabling genuine daily driving capability. Advanced engineering features sequential supercharger boost delivery, limited-slip differential managing 310 horsepower through narrow rear tires, and race-derived suspension geometry creating ultimate driver engagement competing against Ariel Atom and BAC Mono in extreme lightweight sports car segment. Popular among driving purists seeking unfiltered mechanical experience with launch price approximately £45,000, the 620S combines genuine supercar-level acceleration with characterful naturally-aspirated engine enhanced by forced induction, direct steering feedback unmatched by modern sports cars, and Caterham legendary build quality maintaining hand-assembled British sports car tradition representing ultimate expression of Colin Chapman minimalist performance philosophy adapted for contemporary supercharged power delivery.