F1 fans have been warned Lewis Hamilton could retire before his Ferrari contract expires if his form doesn’t improve. The seven-time world champion has endured a difficult start to life with the Scuderia, picking up just 31 points in five races.

Lewis Hamilton has signed a multi-year deal with Ferrari but there are suggestions that he may look for an early exit if his own results do not improve.

Cadillac is preparing for its debut season in Formula 1, and former driver Juan Pablo Montoya has tipped Zhou Guanyu to be the perfect fit.