The perfect Formula 1 car from 2016 Mercedes swept all before it again in 2016, but it was not the perfect car - take some bits from rival teams and you'd have quite the potent racer... 1482710400 F1

F1's new development war has already begun The last grand prix weekend before the winter offered teams a great opportunity to get a headstart on work for 2017 1480118400 F1

F1 teams still pushing with an eye on 2017 The F1 development race hasn't slowed down as much as expected in the final races of the current rules cycle, with teams still pushing to maximise running before the winter break and Mexico-specific solutions on show this weekend too 1477699200 F1

A glimpse at McLaren's 2017 work at Austin? McLaren struggled at Suzuka, but on Friday at Austin it introduced developments to its MP4-31 that could well have next season in mind 1477094400 F1

F1 needs radical points change to stop limp endings OPINION: For a third year in a row, the F1 title has been decided earlier. That's only going to happen more often as the calendar grows, so something needs to change 1573689600 F1

From unsettling Rossi to back of the grid ignominy Jorge Lorenzo will be leaving MotoGP at the end of a terrible season - one that does his achievements no justice. Here is the story of his career decline, and why he should be remembered for his highs 1573689600 MotoGP

Everyone loses if Citroen's WRC pullout goes ahead Citroen looks likely to quit the World Rally Championship - a series it dominated for years - with immediate effect. It's a sad end to a poor era for this once-great team, and a massive blow to the series 1573689600 WRC

How a Formula 4 underdog is taking on the big guns The margin between success and failure in Formula 4 is tiny, but JHR Development's investment in a bespoke Pro-Sim racing simulator is helping tip the balance in its favour 1573603200 Performance