Rule changes will affect driver style and car performance with world champion Lando Norris already under scrutiny

George Russell has had to be satisfied with proving himself against his team-mate, but he may now have a car with which he can challenge for the title.

The new rules, Lando Norris' title defence, the George Russell-Max Verstappen dynamic and Aston Martin's unfolding nightmare set up an intriguing F1 season.