Daniel Ricciardo says several teams could be in contention in the Australian Grand Prix.

Judging by his demoralising domination of the season-opening Adelaide 500, Shane van Gisbergen will be even more difficult to beat in this year's Supercars championship.

About the only insight the opening race of the Supercars championship provided was that defending champion Shane van Gisbergen is fully motivated to retain his title.

Supercars has become embroiled in a controversy over a stillborn plan to create a V8-powered open-wheel racing car for a support series at major events.

It's the elephant in the room, the subject no one in Supercars is prepared to query or criticise because it involves gender.

Few would have predicted the sweeping changes that took place in the Supercars off-season. But Shane van Gisbergen hopes there is a familiar look to the 2017 Supercars podium.

Formula One testing is not unlike the AFL's pre-season competition – it's about putting run in the legs, avoiding grand statements of intent and seemingly endless tinkering.

Mercedes dominated the first day of Formula One pre-season testing, sending a message that the overhaul of regulations may not derail the three-time defending champions.

Red Bull have become the final of Formula One's elite teams to reveal their car to be driven by Australian Daniel Ricciardo and Dutchman Max Verstappen in the forthcoming season.

Kurt Busch finally wins Daytona as just 25 cars cross the finish line, only five of them unscathed.

Jonathan Rea has celebrated a home-away-from home double after sweeping the opening world superbike championship round at Victoria's Phillip Island.

The 20th anniversary season of Supercars starts in Adelaide on Friday amid several major changes that prompt many intriguing questions.

Short of racing in his native Northern Ireland, Superbike world champion Jonathan Rea couldn't be starting his bid for a title hat trick closer to home than at Phillip Island.

Lewis Hamilton has accused Formula One of being "outdated" and has called on its new owners to breathe fresh life into the sport.

Triple world champion Lewis Hamilton has clarified comments about not wanting to share data with Formula One teammates and says he has "zero problems" with new Mercedes arrival Valtteri Bottas.

Daniel Ricciardo's Red Bull team are hoping revamped Renault engines will give them the power to take on champions Mercedes in a new-look Formula One this season.

Supercars' first full-time female driver would rather she didn't attract attention because of her gender.

Leading Supercars competitors are concerned that an under-age driver will be allowed to race against them despite tougher qualification standards for newcomers.

Australian motorsport's governing body has refused to accredit a driver for the new Supercars season.