Ligier JS P4
{{Short description|French sports car}}
{{Use dmy dates|date=August 2022}}
{{Infobox racing car
| name = Ligier JS P4{{Cite web|url=https://ligiereuropeanseries.com/index.php/cars/ligier-js-p4/|title=Ligier JS P4 -}}
| image = Rétromobile 2018 - Ligier JS P4 - 2018 - 001.jpg
| designer = Simon Cox
| chassis = Carbon fiber composite monocoque, carbon-composite body
| front suspension = Double wishbone, pushrod-actuated coil springs over three-way adjustable shock absorbers, anti-roll bars
| length = {{cvt|4680|mm|in|0|abbr=on}}
| width = {{cvt|1900|mm|in|0|abbr=on}}
| wheelbase = {{cvt|2860|mm|in|0|abbr=on}}
| engine name = Ford Duratec {{cvt|3.7|L|cuin}} 24-valve 60° DOHC V6 naturally-aspirated mid-engined
| debut = 2018 British LMP3 Cup
| brakes = LMP3 6-piston front and rear calipers
355x32 mm front and rear LMP3 discs
| transmission type = Quaife 6-speed semi-automatic sequential
}}
The Ligier JS P4 is an entry-level sports prototype race car, designed, developed, and produced by French manufacturer Onroak Automotive, and named in partnership with former French driver Guy Ligier, and used for the top class of the Ligier European Series.
History
The car was first unveiled in 2017, at the 2017 24 Hours of Le Mans. It was homologated in the FIA Free Formula cars (Group E) category, and sits between the Group CN and LMP3 performance window.{{Cite web |title=2018 Ligier JS P4 - Images, Specifications and Information |url=https://www.ultimatecarpage.com/car/6876/Ligier-JS-P4.html |access-date=2024-01-01 |website=Ultimatecarpage.com}} The car made its debut in the 2018 British LMP3 Cup in its own P4 class.{{Cite web |last=Kilbey |first=Stephen |date=2 February 2018 |title=Ligier JS P4 Now Eligible For LMP3 Cup |url=https://www.dailysportscar.com/2018/02/02/js-p4-eligible-for-lmp3-cup.html |access-date=2024-01-01 |website=www.dailysportscar.com}} The car is primarily used in the Ligier European series.{{Cite web |last=Dagys |first=John |date=2019-07-19 |title=Ligier European Series Launched for 2020 – Sportscar365 |url=https://sportscar365.com/other-series/ligier-european-series-launched-for-2020/ |access-date=2024-01-01 |website=sportscar365.com |language=en-US}} In 2022, the car received an update kit to improve the engine and the brakes. The engine power was increased from 330 hp to 385 hp. These upgrades were mandatory for all teams competing in the Ligier European Series.{{Cite web |last=Goodwin |first=Graham |date=15 Oct 2021 |title=Upgrades For Ligier JS P4 & JS2 R In 2022 |url=https://www.dailysportscar.com/2021/10/15/upgrades-for-ligier-js-p4-and-js2-r-in-2022.html |access-date=2024-01-01 |website=www.dailysportscar.com}}