Toyota-powered Super Formula SF23 single-seater confirmed for iRacing 

Ross McGregor
iRacing has announced that the Japanese Super Formula SF23 single-seater is coming to the service in tomorrow’s Season 4 Build update.
Toyota, Super Formula SF23, Dallara, iRacing, Season 4 Build

After several rumours regarding the addition of 2023’s Super Formula cars to iRacing in recent weeks, the online racing service has today (5th September 2023) confirmed the exciting Japanese single-seater is on its way to its Season 4 Build tomorrow. 

Via a three-minute and 10-second video, iRacing revealed the Toyota-powered Super Formula SF23 is coming to the sim, showing the car in action around Suzuka and Fuji International Raceway. 

The SF23 competes in the Super Formula open-wheeler series in Japan, a championship that commonly features cars with near-Formula 1 levels of aerodynamic performance, with both Toyota and Honda contributing two-litre, four-cylinder engines to teams. 

Many of Europe’s top single-seater talent has participated in Super Formula (or Formula Nippon, as it used to be called) through the years; including Eddie Irvine, Heinz-Harald Frentzen, Stoffel Vandoorne and recent IndyCar and convert Jüri Vips. 

The SF23 replaces the older Dallara SF19 chassis and still features a push-to-pass system with 200 seconds of usage permitted per race, with both Honda and Toyota engines producing around 540bhp. Both SF23 cars were made available in Gran Turismo 7 in April; to this date the only appearance for the cars in a game or sim.

The Dallara-built Toyota SF23 features its ‘Red Tiger’ development livery by default, with its Honda-powered rival notable by its absence. iRacing has not indicated whether the Honda-flavoured SF23 will also come to the subscription-based racing service at a later date. 

Toyota, Super Formula SF23, Dallara, iRacing, Season 4 Build


The SF23 was developed with overtaking in mind thanks to trick aerodynamics, with a 50% reduction in dirty air production over the SF19. It was also designed to help reduce the championship’s carbon footprint, with 75% fewer emissions involved in the car’s production in comparison to the outgoing SF19. 

The gains are mostly thanks to the Bcomp bio-composite materials used in the car’s construction; including the use of cork, flax fibres and recycled carbon fibre in its bodywork. Tyre supplier Yokohama also issues carbon-neutral rubber to teams, further enhancing the series’ sustainability credentials. 

Toyota, Super Formula SF23, Dallara, iRacing, Season 4 Build

The Toyota SF23 Super Formula car is coming to iRacing’s 2023 Season 4 Build tomorrow, alongside the Porsche 963 LMDh/GTP, Acura ARX-06 GTP, 1987 Pontiac Grand Prix NASCAR and Ferrari 296 GT3 cars; with circuits including Kern County Raceway, Circuit de Lédenon and Zandvoort’s modern layout also on the way.  

Are you looking forward to iRacing’s huge Season 4 Build? Let us know in the comments below. 

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