The Red Bull RB11 is a

Formula One Formula One (F1) is the highest class of worldwide racing for open-wheel single-seater formula Auto racing, racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one ...

racing car Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. In North America, the term is commonly used to describe all forms of automobile sport including ...

Adrian Newey Adrian Martin Newey (born 26 December 1958) is a British engineer, aerodynamicist, automotive designer and motorsport executive. Since 2025, Newey has served as technical director and co-owner of Aston Martin in Formula One; he previously serv ...

for Infiniti Red Bull Racing to compete in the 2015 Formula One season. It was driven by

Daniel Ricciardo Daniel Joseph Ricciardo ( , ; born 1 July 1989) is an Australian racing driver, who most recently competed in Formula One from to . Ricciardo won eight Formula One Grands Prix across 14 seasons. Born and raised in Perth to Italian-Australi ...

and

Daniil Kvyat Daniil Vyacheslavovich Kvyat ( rus, Даниил Вячесла́вович Квят, p=dənʲɪˈil vʲɪtɕɪˈslavəvʲɪtɕ ˈkvʲat; born 26 April 1994) is a Russian racing driver who competes under a neutral flag in the IMSA SportsCar C ...

. This was the last Red Bull car with engines originally badged as "

Renault Renault S.A., commonly referred to as Groupe Renault ( , , , also known as the Renault Group in English), is a French Multinational corporation, multinational Automotive industry, automobile manufacturer established in 1899. The company curr ...

" and to feature their title sponsor

Infiniti (stylized in all caps) is the luxury vehicle division of the Japanese automaker Nissan. The brand began on November 8, 1989, initially in North America. The marketing network for Infiniti vehicles included dealers in over 50 countries in the 201 ...

as they split from Red Bull at the end of the season due to a breakdown in the team's relationship with Renault. After good results in previous seasons, 2015 was not a successful season for Red Bull. This was mainly due to the Renault engine lacking performance and reliability, compared to the Mercedes and Ferrari power units. They were also unable to compete with Mercedes as they did in 2014, and also lost out to Ferrari and Williams, finishing fourth overall in the Constructors' Championship. The team suffered their first winless season since

2008 2008 was designated as: *International Year of Languages *International Year of Planet Earth *International Year of the Potato *International Year of Sanitation The Great Recession, a worldwide recession which began in 2007, continued throu ...

and their last as of the end of 2024, with the best results being 2nd for Kvyat in

Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...

and Ricciardo in

Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...

Season summary

The RB11 was launched on 1 February 2015. During pre-season testing, the car ran a camouflage livery – akin to

pre-production car Pre-production cars are vehicles that allow the automaker to find problems before a new model goes on sale to the public. Pre-production cars come after prototypes, or development mules which themselves are preceded by concept cars. Pre-producti ...

s – before the team reverted to their normal livery for the race season. Red Bull duo 2015 Malaysia Race 1

Red Bull had a terrible start to the 2015 Formula One season with a lack of performance from its Renault power unit compounded by reliability problems. Red Bull and Renault both stated that they seemed to have 'moved backwards' in performance terms from the previous year. After the first four races, Red Bull still continued to struggle for reliability and performance, only scoring 23 points, the team's worst start since the

2008 Formula One season The 2008 FIA Formula One World Championship was the 62nd season of Formula One motor racing, recognised by the Fédération Internationale de l'Automobile (FIA) – the governing body of motorsport – as the highest class of competition for ...

. Red Bull faced more problems at the , as

's Renault

V6 engine A V6 engine is a six- cylinder piston engine where the cylinders and cylinder blocks share a common crankshaft and are arranged in a V configuration. The first V6 engines were designed and produced independently by Marmon Motor Car Company, ...

gave up as he exited the final corner on the last lap, thus forcing him to move onto his fourth power unit at the . Under the current regulations, drivers are permitted to use only four engines per season. Renault countered with their own threat to pull out of Formula One as an engine supplier if its reputation continued to be damaged or was otherwise not profitable to the company. Red Bull had targeted the Spanish Grand Prix where it would make a step forward on performance due to multiple aerodynamic upgrades, but in the end no results had come thus far as both drivers still finished a lap down on Mercedes and

Ferrari Ferrari S.p.A. (; ) is an Italian luxury sports car manufacturer based in Maranello. Founded in 1939 by Enzo Ferrari (1898–1988), the company built Auto Avio Costruzioni 815, its first car in 1940, adopted its current name in 1945, and be ...

. Renault quoted that past glories may have led to present woes with both Red Bull and Renault struggling with power unit reliability and aerodynamic upgrades. Ultimately, the team slumped to 4th place in the Constructors' Championship, with no wins for the first time since 2008. The team's best place was 2nd place each for Kvyat at

and Ricciardo at

on the tracks which suited more to the aerodynamics of the car rather than outright speed. Overall, the chassis proved to be at most on par with the dominant Mercedes team, but the engine proved to be a letdown to the car's performance.

Sponsorhip and livery

In the shakedown held at the beginning of February 2015 on the Jerez de la Frontera circuit, the RB11 did not take to the track in the traditional blue colour of the Red Bull team but with a special black and white "

zebra Zebras (, ) (subgenus ''Hippotigris'') are African equines with distinctive black-and-white striped coats. There are three living species: Grévy's zebra (''Equus grevyi''), the plains zebra (''E. quagga''), and the mountain zebra (''E. ...

" livery which earned it the nickname CamoBull, designed to camouflage the shapes and technical details of the bodywork from the eyes of the competition. The final livery, officially presented on March 2, does not differ from that seen on the previous Austrian single-seaters, but shows the novelty of a more marked use of purple (especially on the side panels and the cockpit) alongside the blue. The gray, red and blue stripes are eliminated. The Red Bull brand now stands out large on the sides of the cockpit with slightly inclined characters. The Exness sponsor makes its appearance on the sides of the cockpit.

Complete Formula One results

( key) (results in bold indicate pole position; results in ''italics'' indicate fastest lap) † Driver failed to finish the race, but was classified as they had completed greater than 90% of the race distance.

References

{{Red Bull 2015 Formula One season cars Red Bull RB11