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| Category | Formula One | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor | Renault | ||||||||
| Designer(s) | Pat Symonds (Executive Engineer) Bob Bell (Technical Director) James Allison (Deputy Technical Director) Tim Densham (Chief Designer) Martin Tolliday (Project Leader) Tad Czapski (Technology Director) Robin Tuluie (Head of R&D) Dino Toso (Head of Aerodynamics) Bernard Dudot (Engine Technical Director) | ||||||||
| Predecessor | R24 | ||||||||
| Successor | R26 | ||||||||
| Technical specifications | |||||||||
| Chassis | Carbon-fibre monocoque | ||||||||
| Length | 4,600 mm (181 in) | ||||||||
| Width | 1,800 mm (71 in) | ||||||||
| Height | 950 mm (37 in) | ||||||||
| Axle track | 1,450 mm (57 in) (front) 1,400 mm (55 in) (rear) | ||||||||
| Wheelbase | 3,100 mm (122 in) | ||||||||
| Engine | Mecachrome-built Renault RS25 3.0 L (183 cu in) V10 72° naturally aspirated, mid engined, longitudinally-mounted | ||||||||
| Transmission | Renault 6-speed sequential semi-automatic gearbox | ||||||||
| Power | 800–900 hp (597–671 kW) @ 19,000 RPM[1][2] | ||||||||
| Weight | 605 kg (1,334 lb) with driver, camera and ballast | ||||||||
| Fuel | Elf | ||||||||
| Lubricants | Elf | ||||||||
| Tyres | Michelin | ||||||||
| Competition history | |||||||||
| Notable entrants | Mild Seven Renault F1 Team | ||||||||
| Notable drivers | 5.  Fernando Alonso6.  Giancarlo Fisichella | ||||||||
| Debut | 2005 Australian Grand Prix | ||||||||
| First win | 2005 Australian Grand Prix | ||||||||
| Last win | 2005 Chinese Grand Prix | ||||||||
| Last event | 2005 Chinese Grand Prix | ||||||||
| |||||||||
| Constructors' Championships | 1 (2005) | ||||||||
| Drivers' Championships | 1 (2005, Fernando Alonso) | ||||||||
The Renault R25 was the Formula One car entered by Renault in the 2005 season. The chassis was designed by Bob Bell, James Allison, Tim Densham and Dino Toso with Pat Symonds overseeing the design and production of the car as executive director of Engineering and Bernard Dudot leading the engine design.
The car won both the Drivers' and Constructors' Championships in 2005, the first titles for any car racing with a French licence since the Matra MS80's triumph in the 1969 season.[3] It also secured the first championship titles for a Formula One car racing with a Renault engine since the Williams FW19 in 1997 and also first Enstone-based Formula One car to won the world constructors' championship since the Benetton B195 in 1995.
- ^ "Knutson: Noise maker". 17 November 2005.
- ^ "Here's Proof That Fernando Alonso Can Still Thrash His First Title-Winning Renault F1 Car". 11 December 2020.
- ^ 2005 Renault R25. Ultimate Car Page. Accessed March 23, 2012.