Riley & Scott MK XI Lexus specs
| Car type | Coupe |
| Curb weight | 900 kg (1984 lbs) |
| Dimensions | 4.51 m (178 in) long, 2.00 m (79 in) wide, 1.09 m (43 in) high |
| Wheelbase | 2.79 m (110 in) |
| Years built | 2003 - 2016 |
| Origin country | United States |
| Tyres | Hoosier R7 |
| Views | 292 |
| Submitted by | humana |
Lap times
Powertrain specs
| Engine type | V8 (Toyota 3UZ-FE) |
| Displacement | 4.3 l (262 ci / 4293 cc) |
| Power | 608 ps (600 bhp / 447 kw) |
| Torque | 880 Nm (649 lb-ft) |
| Power / liter | 142 ps (140 hp) |
| Power / weight | 676 ps (667 bhp) / t |
| Torque / weight | 978 Nm (721 lb-ft) / t |
| Transmission | 6 speed manual |
| Layout | middle engine, rear wheel drive |
Qualifying results
| Race | # | Driver | Time | Gap |
|---|---|---|---|---|
| 2005 400 km Fontana | 1st | Scott Pruett | 1:33.35 | - |
| 2008 250 miles Homestead | 1st | Scott Pruett | 1:12.76 | - |
| 2004 Homestead 250 Miles | 1st | Scott Pruett | 1:13.37 | - |
| 2006 250 mile Mexico | 1st | Scott Pruett | 1:22.43 | - |
| 2005 24 Hours of Daytona | 1st | Ryan Briscoe | 1:46.93 | - |
| 2005 Laguna Seca 250 Miles | 1st | Oswaldo Negri | 1:24.35 | - |
| 2008 250 miles Mexico | 1st | Scott Pruett | 1:19.51 | - |
| 2004 250 mile Phoenix | 1st | Scott Pruett | 0:56.00 | - |
| 2008 Virginia 250 Miles | 1st | Scott Pruett | 1:43.10 | - |
| 2004 Mont-Tremblant 6 Hours | 1st | Scott Pruett | 1:28.57 | - |
| 2004 24 Hours of Daytona | 1st | Max Papis | 1:45.78 | - |
| 2006 Grand-Am Long Beach | 1st | Scott Pruett | 1:19.89 | - |
| 2008 Watkins Glen 6 Hours | 1st | Scott Pruett | 1:42.59 | - |
| 2004 Daytona 250 Miles Paul Revere | 1st | Scott Pruett | 1:46.91 | - |
| 2006 Miller 9 Hours | 1st | Scott Pruett | 2:38.00 | - |
| 2006 Virginia 250 Miles | 1st | Oswaldo Negri | 1:45.84 | - |
| 2007 400 kms Iowa | 1st | Rob Finlay | 0:41.49 | - |
| 2004 Mid-Ohio 250 Miles | 1st | Scott Pruett | 1:19.49 | - |
| 2009 Virginia 250 Miles | 1st | Scott Pruett | 1:41.65 | - |
| 2004 Virginia 400 Kilometres | 1st | Scott Pruett | 1:45.44 | - |
