Introduced in 1952, it is the coupé counterpart to the Siata 208S released that same year.

Introduced in 1952 at that year's Turin Auto Show, the 208 series was the successor to Siata's first foray into fully bespoke automobiles, the Siata Daina.

In the 208 CS, though Siata quotes a figure of 110 hp (82 kW), actual power has been measured to be about 125 hp (93 kW) at 6,000 rpm with twin Weber 36 DCF3 carburetors, and 140 hp (104 kW) using Siata's hotter camshaft and triple Weber Carburetors.

[2] Power goes to the rear wheels through a 5-speed manual transmission.

[3] The 208 CS uses Siata's own tubular chassis design with an aluminum body, giving it a curb weight of around 2,200 lb (1,000 kg)[1] For the drive train, the CS uses four-wheel independent wishbone suspension with coil-springs and shock absorbers and four-wheel hydraulic alloy drum brakes.