Audi R15 TDI
The Audi R15 TDI, commonly abbreviated to the R15, is a Le Mans Prototype (LMP) racing car constructed by the German car manufacturer Audi AG. It is the successor to the Audi R10 TDI.
| Audi R15 TDI at the 2009 24 Hours of Le Mans | |||||||||
| Category | LMP1 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor | Audi | ||||||||
| Designer(s) | Ralf Jüttner (technical director) Ulrich Baretzky (Head of Engine Development) | ||||||||
| Predecessor | Audi R10 TDI | ||||||||
| Successor | Audi R18 | ||||||||
| Technical specifications | |||||||||
| Chassis | Carbon fibre monocoque | ||||||||
| Suspension (front) | Double wishbone, torsion bar with separate damper, anti-roll bar | ||||||||
| Suspension (rear) | Double wishbone, torsion bar with separate damper, anti-roll bar | ||||||||
| Length | 4,650 mm (183.1 in) | ||||||||
| Width | 2,000 mm (78.7 in) | ||||||||
| Height | 1,030 mm (40.6 in) | ||||||||
| Wheelbase | approx. 290–300 cm (114–118 in) (estimated) | ||||||||
| Engine | Audi TDI 5.5 litre V10 turbodiesel, mid-engined, longitudinally mounted | ||||||||
| Transmission | X-trac 5-speed S-tronic | ||||||||
| Weight | min. 900 kg (1,984 lb) in 2009, min. 930 kg (2,050 lb) in 2010 | ||||||||
| Fuel | Shell V-Power Diesel later BP Ultimate Diesel | ||||||||
| Tyres | Michelin Radial, front: 33/68-18, rear: 37/71-18 | ||||||||
| Competition history | |||||||||
| Notable entrants | Audi Sport Team Joest | ||||||||
| Notable drivers | Tom Kristensen Allan McNish Rinaldo Capello Marco Werner Lucas Luhr Mike Rockenfeller Timo Bernhard Romain Dumas Alexandre Prémat André Lotterer Marcel Fässler Benoît Tréluyer | ||||||||
| Debut | 2009 12 Hours of Sebring | ||||||||
| |||||||||
| Constructors' Championships | 0 | ||||||||
| Drivers' Championships | 0 | ||||||||
Like its predecessor, the R15 TDI uses a turbocharged diesel engine, although the R15's V10 engine is physically smaller than the R10's V12. The smaller engine is pushed further toward the middle of the car than in the R10, resulting in a more neutral weight balance that gives the car better agility around the corners than its predecessor.
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