Formula One isn’t a two-tier racing category, but the 2018 season featured an undoubted class divide.

Force India deliberately targeted a Q2 elimination to win free tyre choice for the start of the race.
Sergio Perez will race for Force India in 2019.
Esteban Ocon is increasingly likely to be without a job in 2019.
Giving teams a third car to race would open F1 to a world of problems.
How has the midfield fared in F1 in 2018?
Force India will come out of adminsitration in time for the Belgian Grand Prix.
Force India's salvation is not as politically straightforward as it seems.
Threats by rival teams to withhold prize money from a sold Force India are a disgrace to Formula One.
Sergio Perez wants softer Pirelli tyres to emulate the unpredictability of the Austrian Grand Prix.
Sergio Perez has been left speechless after claiming an expertly judged third place in a chaotic Azerbaijan Grand Prix.
Force India chief operating officer Otmar Szafnauer has accused certain team bosses of deliberately “fooling” the governing body, the FIA, into increasing the fuel limit to gain a competitive advantage.
Haas's Ferrari-lite business model has never been more controversial than in 2018.
Sergio Perez
Sergio Perez is optimistic Force India can be in the hunt for P4 in the championship.
Has Mercedes got the title wrapped up already?
Can Sergio Perez and Esteban Ocon coexist at Force India any longer?
Formula One returns with the Belgian Grand Prix on 27 August.
Force India driver Sergio Perez
Force India's teammates are still feuding over their Azeri antics ahead of the Austrian Grand Prix.