Indy 500 winner Takuma Sato to drive for Rahal in…

Indianapolis 500 winner Takuma Sato will return to Rahal Letterman Lanigan Racing next season

Chip Ganassi Racing to downsize to 2 cars in IndyCar in 2018

Chip Ganassi Racing will return to a two-car team in the IndyCar Series next season

Gamble on Newgarden leads to 15th title for Roger…

Gamble on Newgarden leads to 15th title for Roger Penske

Chase Elliott's NASCAR title chances take hit with penalty

Chase Elliott's NASCAR title chances take hit with penalty for modification to his car

Vettel's recklessness plays straight into…

Vettel's recklessness plays straight into Hamilton's hands at Singapore Grand Prix

Kasey Kahne to stay in NASCAR and drive for Leavine in 2018

Kasey Kahne will drive for Leavine Family Racing in the No. 95 Chevrolet Camaro next season

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Done, Dale: Junior's final season ends without…

Fan enthusiasm hasn't waned for Dale Earnhardt Jr. even as he's stumbled through a disheartening final season that will end without a NASCAR Cup championship in his 18-year career

Column: IndyCar needs to push Newgarden as its new star

Column: IndyCar needs to push Newgarden as its new star

Pole-sitter Vettel well placed to reclaim…

Sebastian Vettel clinched pole position and is perfectly placed to wrestle back the championship lead from Lewis Hamilton in Sunday's Singapore Grand Prix.

Chase for championship: Elliott a NASCAR title contender

Chase Elliott just might be the next one to carry the banner as NASCAR's most popular driver

Wallace faces uncertain future with Petty race…

Darrell Wallace Jr. remained hopeful sponsorship could be found so he can drive the No. 43 car for Richard Petty Motorsports in 2018

Veteran Grubb named crew chief for rest of Kahne's season

Hendrick Motorsports has replaced driver Kasey Kahne's crew chief for the rest of the season

Patrick at career crossroads as days as driver…

Danica Patrick at career crossroads as days as driver appear over

Vettel loses huge ground in title race after Singapore blip

In the space of three races, Sebastian Vettel is now twice as far behind Lewis Hamilton as he was ahead of him

Hamlin: Penalties are fine as long as they're…

Denny Hamlin will be without his crew chief for the first race of NASCAR's playoffs

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Josef Newgarden in control of title race at Sonoma

Josef Newgarden led a Team Penske parade in qualifying for the IndyCar season finale with a blistering run that put him in control of the championship race

Earnhardt, Logano facing win or else scenario at…

Dale Earnhardt Jr. says he hasn't imagined a fairy tale finish to his last NASCAR regular season

2 die in Denmark after car hits race officials

Two race officials aged 21 and 22 died after being hit by a rally car which came off the road in western Denmark

Playoffs? Sponsors, Twitter spats headline NASCAR opener

Kyle Busch and Brad Keselowski, who have long tussled with each other, poked each other some more Friday on Twitter

Kyle Busch wins playoff pole at Chicagoland Speedway

Kyle Busch opened his bid for a second NASCAR Cup championship with a lap of 187.963 mph to win the pole at Chicagoland Speedway

Dixon within striking distance of 5th IndyCar championship

Dixon within striking distance of 5th IndyCar championship

Tony Kanaan says IndyCar finale will be last with Ganassi

Tony Kanaan said the IndyCar season finale will be his last with Chip Ganassi Racing

McLaren splits with Honda, names Renault as engine supplier

McLaren will end its acrimonious partnership with engine supplier Honda at the end of the Formula One season and work with Renault

Singapore will host Formula One races until 2021

Singapore will continue to host Formula One races until 2021 after agreeing on a four-year deal

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Bottas never felt "in a panic" about new Mercedes deal

Valtteri Bottas took his new Mercedes contract in his stride, even though the decision to give him it was made late in the season

IndyCar has a 5-driver battle for season championship

On the same day NASCAR opens its playoffs, the IndyCar Series will crown its champion

NASCAR set to kick off playoff opener at Chicagoland

Jimmie Johnson has a record eighth NASCAR championship in sight