Lancia — Delta S4

: The car featured a chrome-moly steel tubular spaceframe with carbon fiber reinforcements and a lightweight body made of Kevlar and carbon-fiber honeycomb panels. Competitive Success and Tragedy Lancia Delta S4 homologation special details - Facebook

: In full competition trim, the engine produced over 500 hp , allowing the 966 kg car to accelerate from 0 to 60 mph in just 2.3 seconds on loose surfaces. Lancia Delta S4

: An Abarth Volumex supercharger provided immediate low-end torque to eliminate turbo lag, while a KKK turbocharger took over at approximately 4,000 RPM for massive high-end power. : The car featured a chrome-moly steel tubular

The S4's heart was a mid-mounted 1,759cc four-cylinder engine that pioneered —the simultaneous use of a supercharger and a turbocharger. The S4's heart was a mid-mounted 1,759cc four-cylinder

The is widely regarded as the ultimate expression of the "Golden Era" of rallying, a technologically groundbreaking and terrifyingly powerful machine built specifically for the WRC Group B regulations . Replacing the rear-wheel-drive 037, the S4 was Lancia's first all-wheel-drive competitor, designed to combat the dominance of the Audi Quattro while introducing the world to "twin-charging". Engineering and Performance