With local drivers taking part in the last three races several regional sponsors were persuaded to add or increase their backing for teams in Mexico, America and Russia.
Max Verstappen and Nico Rosberg took their second Driver of the Weekend poll victories in the last two race weekends.
The United States Grand Prix received one of the highest ratings ever but Mexico’s return to the F1 calendar was not enjoyed as much.
Fernando Alonso drew encouragement from his comparison with Lewis Hamilton in Austin and expects McLaren to copy rivals’ developments over the winter.
Lewis Hamilton doesn’t expect he’ll be called upon to ensure both Mercedes drivers finish on top of the points standings.
Fernando Alonso fumed at Felipe Massa for their lap one contact, Sebastian Vettel cursed the loss of the title and the party began for Lewis Hamilton. Here’s the team radio from Austin.
Mercedes team principal Toto Wolff has dismissed speculation of a rift between drivers Lewis Hamilton and Nico Rosberg as “hot air”.
Ten of the best pictures which tell the story of the 2015 United States Grand Prix weekend.
Who do you think was the best driver during the 2015 United States Grand Prix weekend? Compare how they did and vote for the best.
While their former driver clinched his third world championship, McLaren entered their longest streak without a grand prix win on Sunday.
Lewis Hamilton displayed the qualities of a champion as he clinched his third title: he was fast, he was forceful, and he had a little luck on his side.
Sebastian Vettel said third place was about as good as he could have expected having started from 13th on the grid.
The 2015 United States Grand Prix qualifying session and race in pictures.
Max Verstappen equalled the best result of his F1 career so far thanks to a mid-race gamble on tyres which paid off.
Nico Hulkenberg escaped punishment for his collision with Daniel Ricciardo in the United States Grand Prix after it was discovered a front wing failure had caused him to lose control.
Red Bull took the fight to Mercedes in the early stages of the United States Grand Prix – and Daniil Kvyat reckons they could have won had it stayed wet.
Lewis Hamilton clinched the world championship in style after a late error by his team mate opened the door for him to win a scintillating United States Grand Prix.
Nico Rosberg slated team mate Lewis Hamilton’s first-corner tactics at the United States Grand Prix.
Lewis Hamilton says he hopes his third world championship title success has inspired his followers.
Lewis Hamilton cannot be caught in the points following the United States Grand Prix.