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The200624 Hours of Le Mans was the 74th Grand Prix of Endurance, and took place over 17–18 June 2006. The winners of the race wereFrank Biela,Marco Werner, andEmanuele Pirro, driving theAudi R10 TDI. For the first time in the history of the race, the winner was adiesel-powered car.
Prior to this race theACO redeveloped the area around the Dunlop Curve and Dunlop Chicane, moving the Dunlop Curve in tighter to create more run-off area, while also turning the Dunlop Chicane into a larger set of turns. As part of the development, a new extended pit lane exit was created for motorcycles running theBugatti Circuit. This second pit exit re-enters the track just beyond the Dunlop Chicane and before theDunlop Bridge.
Before the official test days, theFIA requested that the sportscars should also use this new pit lane, and mandated a 60 km/h speed limit for the entire 450m length, instead of using the normal pit exit in the Dunlop Curve as planned. This was originally used for the Le Mans test days, but due to complaints from the teams, the ACO decided to return to the old pit lane exit for the race.
In the LMP1 category, during Wednesday's wet-weather qualifyingPescarolo C60 took the top two spots. Then, a day later, during dry weather conditions the newAudi R10 TDIs overtook the Pescarolos to claim the top two positions.
In LMP2, the Ray Mallock Ltd.Lola ran two seconds quicker than the new Intersport Lola.
In LMGT1, the Aston Martin factory squad swept the front row, with the #64 Corvette right behind them.
In GT2, the FrenchIMSA Performance MatmutPorsche took the quickest time; however, Luca Riccitelli took the car off atNord du Karting at the end of the session, injuring his ankle and badly damaging the chassis of the car. In a unique move, the ACO went against its own rules and granted permission for the team to replace the chassis with a brand new car. The car was still forced to start at the back of the grid. The Scuderia EcosseFerrari 430 thus started at the front for the GT2 class.
Class leaders and the fastest lap time on each day are inbold.
| Pos | No. | Team | Car | Class | Day 1 | Day 2 | Behind |
|---|---|---|---|---|---|---|---|
| 1 | 7 | Audi R10 TDI | LMP1 | 4:17.189 | 3:30.466 | Leader | |
| 2 | 8 | Audi R10 TDI | LMP1 | 4:17.676 | 3:30.584 | +0.118 | |
| 3 | 16 | Pescarolo C60 Hybrid-Judd | LMP1 | 4:13.832 | 3:32.584 | +2.118 | |
| 4 | 17 | Pescarolo C60 Hybrid-Judd | LMP1 | 4:14.447 | 3:32.990 | +2.524 | |
| 5 | 13 | Courage LC70-Mugen | LMP1 | 4:25.582 | 3:34.120 | +3.654 | |
| 6 | 14 | Dome S101Hb-Judd | LMP1 | 4:22.873 | 3:34.864 | +4.398 | |
| 7 | 9 | Creation CA06/H-Judd | LMP1 | 4:22.021 | 3:36.459 | +5.993 | |
| 8 | 2 | Zytek 06S | LMP1 | 4:27.754 | 3:39.252 | +8.786 | |
| 9 | 5 | Courage LC70-Judd | LMP1 | 4:23.727 | 3:40.182 | +9.716 | |
| 10 | 19 | Lola B06/10-AER | LMP1 | 4:37.362 | 3:40.467 | +10.001 | |
| 11 | 12 | Courage LC70-Mugen | LMP1 | 4:35.943 | 3:40.722 | +10.256 | |
| 12 | 25 | MG-Lola EX264-AER | LMP2 | 4:34.940 | 3:41.555 | +11.089 | |
| 13 | 33 | Lola B05/40-AER | LMP2 | 4:34.160 | 3:43.869 | +13.403 | |
| 14 | 22 | Radical SR9-Judd | LMP2 | 4:43.803 | 3:44.324 | +13.858 | |
| 15 | 39 | Lola B05/40-AER | LMP2 | 4:37.362 | 3:45.732 | +15.068 | |
| 16 | 32 | Courage C65-AER | LMP2 | 4:27.357 | 3:47.467 | +17.001 | |
| 17 | 37 | Courage C65-Mecachrome | LMP2 | 4:45.086 | 3:48.846 | +18.380 | |
| 18 | 27 | Courage C65-AER | LMP2 | 4:56.168 | 3:50.826 | +20.360 | |
| 19 | 6 | Lister Storm LMP Hybrid-Chevrolet | LMP1 | 4:31.565 | 3:50.940 | +20.476 | |
| 20 | 007 | Aston Martin DBR9 | GT1 | 4:31.179 | 3:52.015 | +21.559 | |
| 21 | 009 | Aston Martin DBR9 | GT1 | 4:32.053 | 3:52.561 | +22.095 | |
| 22 | 64 | Chevrolet Corvette C6.R | GT1 | 4:51.557 | 3:53.100 | +22.534 | |
| 23 | 20 | Pilbeam MP93-Judd | LMP2 | 4:25.398 | 3:53.285 | +22.819 | |
| 24 | 69 | Aston Martin DBR9 | GT1 | 4:35.531 | 3:53.611 | +23.145 | |
| 25 | 67 | Ferrari 550-GTS Maranello | GT1 | 4:33.561 | 3:53.781 | +23.315 | |
| 26 | 63 | Chevrolet Corvette C6.R | GT1 | 4:54.941 | 3:53.993 | +23.327 | |
| 27 | 66 | Saleen S7-R | GT1 | 4:35.016 | 3:54.476 | +24.010 | |
| 28 | 72 | Chevrolet Corvette C5-R | GT1 | 4:42.545 | 3:55.629 | +25.163 | |
| 29 | 24 | Lola B05/42-Zytek | LMP2 | 4:51.872 | 3:56.123 | +25.657 | |
| 30 | 35 | Courage C65-Judd | LMP2 | 4:48.714 | 3:56.452 | +25.986 | |
| 31 | 36 | Courage C65-Mecachrome | LMP2 | 4:50.408 | 3:56.460 | +25.994 | |
| 32 | 62 | Aston Martin DBR9 | GT1 | 4:35.789 | 3:57.776 | +27.310 | |
| 33 | 61 | Ferrari 550-GTS Maranello | GT1 | 4:40.097 | 3:59.822 | +29.356 | |
| 34 | 53 | Lamborghini Murcielago R-GT | GT1 | 4:58.656 | 4:00.287 | +29.821 | |
| 35 | 30 | WR LMP04-Peugeot | LMP2 | 5:15.480 | 4:00.775 | +30.309 | |
| 36 | 50 | Ferrari 550-GTS Maranello | GT1 | 4:47.924 | 4:01.920 | +31.454 | |
| 37 | 76 | Porsche 911 GT3-RSR | GT2 | 4:41.623 | 4:03.438 | +32.972 | |
| 38 | 87 | Ferrari F430 GT2 | GT2 | 4:52.423 | 4:04.596 | +34.130 | |
| 39 | 83 | Porsche 911 GT3-RSR | GT2 | 4:53.695 | 4:04.897 | +34.431 | |
| 40 | 80 | Porsche 911 GT3-RSR | GT2 | 4:46.888 | 4:05.266 | +34.800 | |
| 41 | 90 | Porsche 911 GT3-RSR | GT2 | 4:39.912 | 4:05.700 | +35.234 | |
| 42 | 85 | Spyker C8 Spyder GT2-R-Audi | GT2 | 4:48.691 | 4:06.299 | +35.833 | |
| 43 | 77 | Panoz Esperante GT-LM-Ford | GT2 | 4:55.638 | 4:06.642 | +36.176 | |
| 44 | 86 | Spyker C8 Spyder GT2-R-Audi | GT2 | 4:45.916 | 4:07.939 | +37.473 | |
| 45 | 89 | Porsche 911 GT3-RSR | GT2 | 4:54.946 | 4:08.688 | +38.222 | |
| 46 | 81 | Panoz Esperante GT-LM-Ford | GT2 | 4:50.424 | 4:12.043 | +41.577 | |
| 47 | 93 | Porsche 911 GT3-RSR | GT2 | 5:05.305 | 4:14.477 | +44.011 | |
| 48 | 73 | Porsche 911 GT3-RSR | GT2 | 4:57.096 | 4:16.246 | +45.780 | |
| 49 | 91 | Porsche 911 GT3-RSR | GT2 | 5:06.716 | 4:17.342 | +46.876 | |
| 50 | 98 | Porsche 911 GT3-RSR | GT2 | 5:07.105 | 4:23.547 | +53.081 |

This race marked the first Le Mans win for adiesel engined sports car, theAudi R10 TDI, and the second time that a diesel-powered sports car won a major international motorsports event, following the Audi R10 TDI's win at the2006 12 Hours of Sebring.BMW was however the first brand to successfully enter a diesel-powered racing car in an international event when they won theNürburgring 24 Hours, already back in 1998, with their 320d.
This race also marked the first time since the1991 24 Hours of Le Mans thatPorsche (or a Porsche-powered prototype) did not win at least one class. APanoz Esperante was successful in upsetting the contingent of Porsches in the GT2 class.
Corvette Racing's 355 lap pace in their GT1 class win became the record for a homologated GT vehicle.
Class winners are marked inbold. Cars not completing 70% of the winner's distance are listed as Not Classified (NC).