Predicting NASCAR's 2016 Chase field

The full inside story of Senna's Indycar test This week marks the 25th anniversary of Ayrton Senna's 1992 Penske test in Arizona. To mark the occasion, here's an Autosport feature from earlier this year - the full story of the "amazing" occasion, told by the men who were there 1494979200 F1

The Indy 500 engine they had to outlaw Undefeated and never to be repeated. The story of how Penske's Ilmor-Mercedes engine for the 1994 Indy 500 went from top-secret evening project to dominating the Brickyard to banned 1483315200 IndyCar

The top 10 IndyCar drivers of 2016 Simon Pagenaud and Team Penske dominated the 2016 IndyCar season, but they were not the only drivers to impress over the course of a tough campaign 1474934400 IndyCar

Why is IndyCar shelving its manufacturer war? Competing IndyCar manufacturers Honda and Chevrolet will revert to only being engine suppliers in 2018, and aero kit development has been halted for next season. Why has the series removed an area of competition that was only recently adopted? 1474416000 IndyCar

How BMW-Sauber blew its chance of title glory Continuing Autosport's series celebrating 50 years of Sauber, we revisit the 2008 season in which it at last became a Formula 1 winner. But corporate demands from new owner BMW meant its best shot at the title was allowed to slip away 1591056000 F1

The rule quirk that cost Lotterer two single-seater titles Despite accruing the best results over a season three times in his Super Formula career, Andre Lotterer only has one title to show for it. That's thanks to an odd quirk in the rules in a countback situation that twice cost him dear 1590969600 Other

The manufacturer tie-up that put Sauber on the map In the first of a series of features this week celebrating 50 years of the much-loved Swiss outfit, we revisit how Sauber's partnership with Mercedes helped the privateer take its next step to becoming a major force in sportscar racing 1590969600 WEC

Can F1's new rules save the series as we know it? OPINION: A big week of off-track news means Formula 1 will hopefully become dramatically, and positively, different. But what can't yet be known is whether all the current marques will be a part of that future due to damage already done 1590883200 F1