Riley MkXI

{{Infobox racing car

| Name = Riley MkXI

| Image = File:Suntrust-riley.jpg

| Category = Daytona Prototype

| Constructor = Riley Technologies

| Designer =

| Team =

| Chassis = Hybrid Aluminum Honeycomb / Carbon fiber body panels on steel spaceframe

| Suspension = Double wishbone, push-rod-actuated coil springs over shock absorbers

| Length = ~ {{cvt|4509|mm|in|1}}

| Width = ~ {{cvt|1996|mm|in|1}}

| Height = ~ {{cvt|1095|mm|in|1}}

| Wheelbase = {{cvt|2794|mm|in|1}}

| Engine name = Ford / Lexus / Pontiac / BMW / Porsche / Chevrolet

| Capacity = {{cvt|4000-5000|cc|L cuin|1}}

| Configuration = 24-valve to 32-valve, OHC/DOHC V8,

| Turbo/NA = naturally-aspirated,

| Engine position = mid-mounted

| Gearbox name = Xtrac/Emco

| Gears = 5-speed or 6-speed

| Type = sequential

| Differential =

| Weight = {{cvt|900-1021|kg|lb|1}}

| Fuel =

| Lubricants =

| Tyres =

| Debut = 2003

| Wins = 84

| Teams_champ =

| Poles = 85

| Podiums = 120

}}

The Riley MkXI, and its evolutions and derivatives, the Riley MkXX, the Riley MkXXII,{{Cite web|url=https://www.motortrend.com/news/riley-mark-xxii-can-we-interest-you-in-a-fake-rolex/|title=Can we interest you in a fake Rolex? - Riley Mark XXII - Automobile Magazine|date=October 18, 2011|website=MotorTrend|author=Preston Lerner|access-date=2024-05-14}}{{Cite web|url=https://jalopnik.com/riley-mark-xxii-track-day-car-first-drive-5816395|title=Riley Mark XXII Track Day Car: First Drive|date=July 18, 2011|website=Jalopnik|author=Mike Spinelli|access-date=2024-05-14}} and the Riley MkXXVI, are a series of Daytona Prototype race cars, designed, developed and built by Riley Technologies, between 2003 and 2016.{{Cite web|url=https://www.supercars.net/blog/2003-riley-mk-xi-daytona-prototype/|title=2003 Riley Mk XI Daytona Prototype|website=supercars.net|date=April 22, 2016|author=Nick D.|access-date=2024-05-14}}{{Cite web|url=https://www.ultimatecarpage.com/car/4026/Riley-Mk-XX-Porsche.html|title=2008 Riley Mk XX Porsche - Images, Specifications and Information|website=Ultimatecarpage.com}}{{Cite web|url=https://www.ultimatecarpage.com/car/4723/Riley-Mk-XX-BMW.html|title=2010 Riley Mk XX BMW - Images, Specifications and Information|website=Ultimatecarpage.com}}{{Cite web|url=https://www.supercars.net/blog/2008-riley-mk-xx/|title=2008 Riley Mk XX|date=April 22, 2016|website=supercars.net|author=Nick D.|access-date=2024-05-14}}{{Cite web|url=https://www.supercars.net/blog/2012-riley-dpg3-mkxxvi/|title=2012 Riley DPG3 MKXXVI|date=April 22, 2016|website=supercars.net|author=Nick D.|access-date=2024-05-14}}{{Cite web|url=https://www.conceptcarz.com/z21097/riley-mk-xxvi-dpg3.aspx|title=2012 Riley Mk XXVI DPG3 News and Information, Research, and Pricing|website=conceptcarz.com|access-date=2024-05-14}} Between 2003 and 2016, the cars scored a combined total of 84 race wins, achieved 106 podium finishes, and clinched 85 pole positions.{{cite web|url=https://www.racingsportscars.com/type/Riley/Mk%20XI.html|title=Riley MkXI|access-date=19 June 2022|website=racingsportscars.com}}{{cite web|url=https://www.racingsportscars.com/type/Riley/Mk%20XXVI.html|title=Riley MkXXVI|access-date=19 June 2022|website=racingsportscars.com}}{{Cite web|url=https://www.racecar-engineering.com/articles/riley-mk-xxii/|title=Riley Mk XXII|website=racecar-engineering.com|date=February 12, 2010|access-date=2024-05-14}}{{Cite web|url=https://www.conceptcarz.com/s15464/riley-mk-xi-suntrust-racing-prototype.aspx|title=2008 Riley Mk XI SunTrust Racing Prototype technical and mechanical specifications|website=conceptcarz.com|access-date=2024-05-14}}{{Cite web|url=https://www.conceptcarz.com/vehicle/z15464/riley-mk-xi-suntrust-racing-prototype.aspx|title=2008 Riley Mk XI SunTrust Racing Prototype News and Information, Research, and Pricing|website=conceptcarz.com|access-date=2024-05-14}}