lower than Formula Renault. The engines are equalized so that no one Formula 4 championship is faster than the others, with the long-term aim of bringing the cost of competing down to under EUR100,000 per year.

In practice, costs for competitors considerably exceed this goal; the cost of participating in the 2022 French Formula 4 series (including all equipment) was , excluding tax. Costs in other F4 championships can be considerably higher, with one estimate of the costs of a realistic attempt