Alongside saloon and estate models the 2300 range included Ghia-designed grand tourers, the Fiat 2300 Coupé and 2300S Coupé—the latter fitted with a more powerful engine with double twin-choke carburettors, tuned by Abarth.

The shape of the car was first seen in public when Ghia presented it as a prototype sports coupé at the 1960 Turin Motor Show.

Small coachbuilders Carrozzeria Savio [it; de; fr] showed a rather formal looking, "transatlantic" coupé with rectangular headlights in 1963, designed by Giovanni Michelotti.

At the 1966 Geneva Motor Show, Michelotti presented his own proposal to replace the Ghia coupé, but this remained a one-off.

[13] For the Turin Auto Show in November 1961, Abarth had Carrozzeria Ellena [de; nl] and Allemano create two separate designs.

The original's single-piece vertical taillights were replaced with smaller round lamps mounted in a chrome panel, while the rear of the car and the greenhouse were more squared off than those of the predecessor.

Abarth, always deeply involved with this car (he used a 2200 and then a 2400 as his personal transport until his death), decided to combine Allemano's front treatment with Ellena's rear, and so the production model has Allemano's more rectangular front and middle section and Ellena's vertical taillights.

[14][15] Only about forty examples of the 2200 and 2400 were built, all told, and the attempt to establish Abarth as a full fledged manufacturer of grand touring machines may be considered a failure.

However, Fiat had Abarth develop the more powerful 2300 S engine and gave them several lucrative manufacturing contracts for the 2300 S (for the finned aluminium oil crankcase and some gearbox components).

[15] After the 2400, Abarth renewed their focus on their core businesses: small sporting cars, competition, and selling tuning parts for Fiats and others.