The category emerged in response to a crisis in junior single-seater racing. Through the 2000s and into the 2010s, rising costs and the growing appeal of series such as Formula Renault, GP2, and GP3 had drawn talent away from national Formula Three championships, causing several of those series to fold. The FIA, under Single-Seater Commission president Gerhard Berger, sought to replace those fragmented and expensive national series with a standardised, cost-controlled alternative. The long-term ambition was to cap annual competitive costs at under €100,000 per driver.
In practice, costs have exceeded that target. The 2022 French Formula 4 series, for example, carried a total cost of approximately €118,000 excluding tax, and participation in some other F4 championships has been estimated to cost considerably more.
The first F4 championships launched in 2014 as strictly single-make categories before regulations were opened to allow multiple approved chassis and engine suppliers. All FIA Formula 4 engines must displace no more than 1,600cc and produce no more than 160 bhp (approximately 119 kW), placing F4 performance between Formula Ford below and Formula 3 above. Engines must be durability-rated to at least 10,000 km and cost no more than €14,000 each. Four chassis manufacturers have achieved FIA homologation: Tatuus, Mygale, Dome, and Ligier.
In terms of outright performance, F4 cars achieve a top speed of approximately 240 km/h and generate peak lateral cornering acceleration of around 2.0g — considerably higher than road cars but below the approximately 2.5g of Formula 3. To illustrate the gap to Formula One, a 2023 F4 pole lap at Silverstone's Grand Prix layout was set in 2:01.651, compared to 1:25.819 for the 2024 British Grand Prix pole in an F1 car.
As of 2025, the FIA recognises thirteen active F4 championships. Notable among past and present series are the Italian F4 Championship, the French F4 Championship, the Spanish F4 Championship, the UAE F4 Championship, and the Asian F4 Championship. Drivers earning championship points in FIA-sanctioned F4 series accumulate FIA Super Licence points, which are a prerequisite for competing in Formula One. For a series to qualify for Super Licence point allocation, it must run across at least five events at a minimum of three different circuits.
A Formula 4 race also forms part of the biennial FIA Motorsport Games, a multi-discipline event encompassing karting, drifting, rallying, and e-sports alongside circuit racing.
FIA Formula 4 cars have become a staple of sim racing platforms, with the Tatuus-based F4 machinery in particular appearing in multiple simulation titles. The category's standardised technical specification — single chassis variant per series, controlled engine output, consistent aerodynamic package — makes it a tractable subject for simulation modelling and a natural entry point for sim racers learning the characteristics of open-wheel downforce cars.
By creating a harmonised international framework, FIA Formula 4 has consolidated what had previously been a fragmented landscape of low-budget national formulae into a coherent driver development tier. The category has produced drivers who have gone on to Formula 3, Formula 2, and Formula One, validating its position as the effective base of the FIA's structured single-seater pyramid.