Moll then used family money to obtain an Alfa Romeo 8C2300. Despite it being less potent than the Alfa P3s run by the likes of Scuderia Ferrari, Moll came third at Nimes (behind Étancelin and Nuvolari), Miramas, Comminges, and Nice, and scored a near-win in the Marne Grand Prix at Reims.
Moll's success in racing was notable despite his car being less powerful than those driven by teams like Scuderia Ferrari.  He achieved podium finishes and came close to victory in several races, including the Marne Grand Prix at Reims.