Renault RS engine#Naturally-aspirated V10 engines

{{Infobox automobile engine

|image=Renault RS26 engine 2006.jpg

|configuration=67°/71°/111°/72° V10;{{cite web|url=https://www.grandprixengines.co.uk/3rd_Naturally-Aspirated_Era_(3NA)_Part_1.pdf|title=3rd Naturally-Aspirated Era (3NA) 1989 – 2000 (end of review): 12 years. Part 1, 1989 – 1994; Egs. 72 to 78 The 3.5 Litre Formula|date=n.d.|publisher=Grand Prix Engines|url-status=live|archive-date=2015-05-12|archive-url=https://web.archive.org/web/20150512115227/grandprixengines.co.uk/3rd_Naturally-Aspirated_Era_(3NA)_Part_1.pdf}}
90° V8

|manufacturer={{flagicon|France}} Renault Sport
Mecachrome (1998 only)
Playlife (1998–2000)
Supertec (1999–2000)

|designer=Bernard Dudot (RS1–RS9)

|production=1989–2013

|fueltype=Gasoline

|fuelsystem=Electronic multi-point indirect fuel injection

|coolingsystem=Water-cooled

|bore={{convert|93|mm|in|1|lk=on|abbr=on}} (RS3)
{{convert|94|mm|in|1|lk=on|abbr=on}} (RS6)
{{convert|91|mm|in|1|lk=on|abbr=on}} (RS7)
{{convert|92|mm|in|1|lk=on|abbr=on}} (RS8)
{{convert|93.5|mm|in|1|lk=on|abbr=on}} (RS9)
{{convert|95|mm|in|1|lk=on|abbr=on}} (RS22)
{{convert|98|mm|in|1|lk=on|abbr=on}} (RS25){{Cite web|url=https://www.racecar-engineering.com/news/natural-aspirations/|title=Natural Aspirations|first=Racecar|last=Engineering|date=June 25, 2020}}

|stroke={{convert|51.5|mm|in|1|lk=on|abbr=on}} (RS3)
{{convert|50.4|mm|in|1|lk=on|abbr=on}} (RS7)
{{convert|46|mm|in|1|lk=on|abbr=on}} (RS7)
{{convert|45.1|mm|in|1|lk=on|abbr=on}} (RS8)
{{convert|43.67|mm|in|1|lk=on|abbr=on}} (RS9)
{{convert|42.3|mm|in|1|lk=on|abbr=on}} (RS22)
{{convert|39.75|mm|in|1|lk=on|abbr=on}} (RS25){{Cite web|url=https://www.sportskeeda.com/f1/v8-engines-the-power-units-of-modern-formula-1|title=V8 Engines: The power units of modern Formula 1|first=Tarish|last=Bhatt|website=www.sportskeeda.com}}

|displacement={{convert|3498|cc|L|1|order=flip|abbr=on}}
{{convert|2992|cc|L|1|order=flip|abbr=on}}
{{convert|2998|cc|L|1|order=flip|abbr=on}}
{{convert|2398|cc|L|1|order=flip|abbr=on}}

|weight={{convert|90-141|kg|lb|1|abbr=on}}

|power={{Convert|650-900|hp|kW PS|0|abbr=on}}

|torque={{Convert|221-340|lb.ft|N.m|0|abbr=on}}

|predecessor=EF

|successor=E-Tech

}}

The RS series is a family of naturally-aspirated Grand Prix racing engines, designed, developed and manufactured jointly by Mecachrome and Renault Sport for use in Formula One, and used by Arrows, BAR, Williams, Ligier, Lotus, Caterham, Benetton, Renault, and Red Bull, from {{F1|1989}} until {{F1|2013}}.{{Cite web|url=https://www.statsf1.com/en/moteur-renault.aspx|title = Engine Renault • STATS F1}} The engines came in both the original V10, and later V8 configurations, and engine displacement ranged from {{convert|2.4|L|cuin|abbr=on|}} to {{convert|3.5|L|cuin|abbr=on|}} over the years. Power figures varied; from {{convert|650|hp|abbr=on|}} @ 12,500 rpm, to later over {{convert|900|hp|abbr=on|}} @ 19,000 rpm.{{Cite web|url=https://www.f1technical.net/articles/4|title=Formula One engines|url-status=dead|access-date=2021-11-05|archive-date=2021-11-05|archive-url=https://web.archive.org/web/20211105101819/https://www.f1technical.net/articles/4}} The 2.4-litre RS26 V8 engine, used in 2006, is one of the highest revving Formula One engines in history, at 20,500 rpm.{{Cite web|url=https://sportscardigest.com/renault-r26/|title = Renault R26|date = 30 April 2009}}{{Cite web|url=https://www.motorsportmagazine.com/archive/article/april-2007/45/profile-renault-r26|title=Profile – Renault R26|website=Motor Sport Magazine|last=Hughes|first=Mark}}{{Cite web|url=https://www.auto123.com/en/news/f1-technique-looking-at-the-renault-sport-rs27-formula-1-engine/35495/|title=F1 Technique: Looking at the Renault Sport RS27 Formula 1 engine | Car News | Auto123|website=auto123.com}}{{Cite web|url=https://events.bwtalpinef1team.com/|title=Lancement BWT Alpine F1 Team|website=Alpine F1 Events}} Between {{F1|1998}} and {{F1|2000}}, the RS9 engines were badged as Mecachrome, Supertec, and Playlife.