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 Sébastien Bourdais driving the STR4 at theSpanish Grand Prix | |||||||||||
| Category | Formula One | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Constructor | Toro Rosso | ||||||||||
| Designer(s) | Adrian Newey(Chief Technical Officer) Geoff Willis(Technical Director) Rob Marshall(Chief Designer) Peter Prodromou(Head of Aerodynamics) | ||||||||||
| Predecessor | Toro Rosso STR3 | ||||||||||
| Successor | Toro Rosso STR5 | ||||||||||
| Technical specifications | |||||||||||
| Chassis | carbon-fibre and honeycomb composite structure | ||||||||||
| Suspension (front) | cast titanium uprights, pushrods, carbon-fibre upper and lower wishbones | ||||||||||
| Suspension (rear) | cast titanium uprights, pullrods, carbon-fibre upper and lower wishbones | ||||||||||
| Engine | Ferrari 056 (2008-spec) 2398ccV8 18,000 RPM Limited | ||||||||||
| Transmission | 7-speedsequential | ||||||||||
| Fuel | Shell | ||||||||||
| Tyres | Bridgestone | ||||||||||
| Competition history | |||||||||||
| Notable entrants | Scuderia Toro Rosso | ||||||||||
| Notable drivers | 11. Sébastien Bourdais11.  Jaime Alguersuari12.  Sébastien Buemi | ||||||||||
| Debut | 2009 Australian Grand Prix | ||||||||||
| Last event | 2009 Abu Dhabi Grand Prix | ||||||||||
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TheToro Rosso STR4 was aFormula One car whichScuderia Toro Rosso used in the2009 Formula One season. The car was revealed to be aRed Bull RB5 with a 2008-spec Ferrari 056 engine inBarcelona on March 9, 2009. It was revealed before the testing session.[1]
The Toro Rosso STR4 was the last-ever Toro Rosso car to be built by its senior sister teamRed Bull Racing, as from the 2010 season onwards Toro Rosso switched to in-house designed cars.
The STR4 was driven bySébastien Bourdais andSébastien Buemi for the first half of the season.Jaime Alguersuari replaced Bourdais from theHungarian Grand Prix onwards.
Buemi scored 7th place on his debut race at the2009 Australian Grand Prix. His teammate Sebastian Bourdais also scored points that race.[2] He went on to finish 8th inChina, before finishing 7th and 8th in the final two races inBrazil andAbu Dhabi.[3][4][5]
Bourdais scored an 8th place at the2009 Australian Grand Prix. His teammateSébastien Buemi also scored points that race. However Bourdais had poor results during the 2008 season, scoring only 4 points unlike his 2008 teammateSebastian Vettel who scored 35 and a race win in Monza. At the2009 Hungarian Grand Prix, he was replaced byJaime Alguersuari following a similar season of poor results, having scored only 2 points after theGerman Grand Prix before he was fired.
Alguersuari made his debut at the Hungarian Grand Prix as his predecessorSébastien Bourdais was replaced following a string of poor results.[6] However he only managed to finish 3 races out of the 8 he raced in, with a best result of 14th in theBrazilian Grand Prix.
(key) (results inbold indicate pole position; results initalics indicate fastest lap)
| Year | Entrant | Engine | Tyres | Drivers | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | Points | WCC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | Scuderia Toro Rosso | Ferrari056V8 | B | AUS | MAL | CHN | BHR | ESP | MON | TUR | GBR | GER | HUN | EUR | BEL | ITA | SIN | JPN | BRA | ABU | 8 | 10th | |
| Sébastien Bourdais | 8 | 10 | 11 | 13 | Ret | 8 | 18 | Ret | Ret | ||||||||||||||
| Jaime Alguersuari | 15 | 16 | Ret | Ret | Ret | Ret | 14 | Ret | |||||||||||||||
| Sébastien Buemi | 7 | 16† | 8 | 17 | Ret | Ret | 15 | 18 | 16 | 16 | Ret | 12 | 13 1 | Ret | Ret | 7 | 8 |
† Driver failed to finish, but was classified as they had completed >90% of the race distance.
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