The S has a 1.8-litre inline-four-cylinder engine that puts out at 5500 rpm. The CS quattro has a CIS-E fuel-injected 2.2-litre inline-five cylinder petrol engine (identification code: JT). It displaces 2226 cc and was constructed from a grey cast-iron cylinder block, with an aluminium alloy cylinder head, and uses a timing belt-driven single overhead camshaft (SOHC). The rated horsepower is at 5500 rpm, and the torque is at 3000 rpm. The only transmission available on the 4000CS was a five-speed close-ratio manual.