# Riley MkXI

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Racing car model

Riley MkXI Category Daytona Prototype Constructor Riley Technologies Technical specifications Chassis Hybrid Aluminum Honeycomb / Carbon fiber body panels on steel spaceframe Suspension Double wishbone, push-rod-actuated coil springs over shock absorbers Length ~ 4,509 mm (177.5 in) Width ~ 1,996 mm (78.6 in) Height ~ 1,095 mm (43.1 in) Wheelbase 2,794 mm (110.0 in) Engine Ford / Lexus / Pontiac / BMW / Porsche / Chevrolet 4,000–5,000 cc (4.0–5.0 L; 244.1–305.1 cu in) 24-valve to 32-valve, OHC/DOHC V8, naturally-aspirated, mid-mounted Transmission Xtrac/Emco 5-speed or 6-speed sequential Weight 900–1,021 kg (1,984.2–2,250.9 lb) Competition history Debut 2003 Wins Podiums Poles 84 120 85

The **Riley MkXI**, and its evolutions and derivatives, the **Riley MkXX**, the **Riley MkXXII**,[1][2] and the **Riley MkXXVI**, are a series of [Daytona Prototype](/source/Daytona_Prototype) [race cars](/source/Race_cars), designed, developed and built by [Riley Technologies](/source/Riley_Technologies), between 2003 and 2016.[3][4][5][6][7][8] Between 2003 and 2016, the cars scored a combined total of 84 race wins, achieved 106 podium finishes, and clinched 85 pole positions.[9][10][11][12][13]

## References

1. **[^](#cite_ref-1)** Preston Lerner (October 18, 2011). ["Can we interest you in a fake Rolex? - Riley Mark XXII - Automobile Magazine"](https://www.motortrend.com/news/riley-mark-xxii-can-we-interest-you-in-a-fake-rolex/). *MotorTrend*. Retrieved 2024-05-14.

1. **[^](#cite_ref-2)** Mike Spinelli (July 18, 2011). ["Riley Mark XXII Track Day Car: First Drive"](https://jalopnik.com/riley-mark-xxii-track-day-car-first-drive-5816395). *Jalopnik*. Retrieved 2024-05-14.

1. **[^](#cite_ref-3)** Nick D. (April 22, 2016). ["2003 Riley Mk XI Daytona Prototype"](https://www.supercars.net/blog/2003-riley-mk-xi-daytona-prototype/). *supercars.net*. Retrieved 2024-05-14.

1. **[^](#cite_ref-4)** ["2008 Riley Mk XX Porsche - Images, Specifications and Information"](https://www.ultimatecarpage.com/car/4026/Riley-Mk-XX-Porsche.html). *Ultimatecarpage.com*.

1. **[^](#cite_ref-5)** ["2010 Riley Mk XX BMW - Images, Specifications and Information"](https://www.ultimatecarpage.com/car/4723/Riley-Mk-XX-BMW.html). *Ultimatecarpage.com*.

1. **[^](#cite_ref-6)** Nick D. (April 22, 2016). ["2008 Riley Mk XX"](https://www.supercars.net/blog/2008-riley-mk-xx/). *supercars.net*. Retrieved 2024-05-14.

1. **[^](#cite_ref-7)** Nick D. (April 22, 2016). ["2012 Riley DPG3 MKXXVI"](https://www.supercars.net/blog/2012-riley-dpg3-mkxxvi/). *supercars.net*. Retrieved 2024-05-14.

1. **[^](#cite_ref-8)** ["2012 Riley Mk XXVI DPG3 News and Information, Research, and Pricing"](https://www.conceptcarz.com/z21097/riley-mk-xxvi-dpg3.aspx). *conceptcarz.com*. Retrieved 2024-05-14.

1. **[^](#cite_ref-9)** ["Riley MkXI"](https://www.racingsportscars.com/type/Riley/Mk%20XI.html). *racingsportscars.com*. Retrieved 19 June 2022.

1. **[^](#cite_ref-10)** ["Riley MkXXVI"](https://www.racingsportscars.com/type/Riley/Mk%20XXVI.html). *racingsportscars.com*. Retrieved 19 June 2022.

1. **[^](#cite_ref-11)** ["Riley Mk XXII"](https://www.racecar-engineering.com/articles/riley-mk-xxii/). *racecar-engineering.com*. February 12, 2010. Retrieved 2024-05-14.

1. **[^](#cite_ref-12)** ["2008 Riley Mk XI SunTrust Racing Prototype technical and mechanical specifications"](https://www.conceptcarz.com/s15464/riley-mk-xi-suntrust-racing-prototype.aspx). *conceptcarz.com*. Retrieved 2024-05-14.

1. **[^](#cite_ref-13)** ["2008 Riley Mk XI SunTrust Racing Prototype News and Information, Research, and Pricing"](https://www.conceptcarz.com/vehicle/z15464/riley-mk-xi-suntrust-racing-prototype.aspx). *conceptcarz.com*. Retrieved 2024-05-14.

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Adapted from the Wikipedia article [Riley MkXI](https://en.wikipedia.org/wiki/Riley_MkXI) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Riley_MkXI?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.