The 2026 season marks one of the most significant rule resets in modern Formula 1, because the engine regulations and the car regulations changed at the same time. The two were designed together: a heavily electrified, sustainable-fuel power unit paired with a lighter, more agile car and a new approach to aerodynamics. This guide pulls the main changes together in one place, with links onward to the deeper explainers for each.
New power units. The biggest change is under the engine cover. The 2026 power unit keeps a 1.6-litre turbo hybrid V6 but shifts to roughly a 50/50 split between combustion and electric power, dramatically increasing the electrical contribution. It drops the complex MGU-H energy recovery unit and runs on 100% sustainable fuel. The aim is a cheaper, cleaner, more road-relevant power unit that also drew new and returning manufacturers into the sport.
Active aerodynamics replaces DRS. With so much energy now electric, the cars adopt active aerodynamics — movable front and rear wings that switch between a low-drag straight-line mode and a high-downforce corner mode — to manage energy efficiently. DRS, the rear-wing flap used from 2011 to 2025, is gone. The job of helping a chasing car overtake passes to a manual override boost drawn from the battery.
Smaller, lighter, nimbler cars. The 2026 cars were targeted to be lighter and slightly smaller than their predecessors, with narrower bodywork, in an effort to improve agility and reduce the trend toward ever-bigger, heavier machines. Lighter cars with revised aerodynamics are intended to make the racing closer and the cars more responsive, complementing the energy-focused power units.
What stays familiar. Plenty of the sport is unchanged. The points system still rewards the top ten on the 25-to-1 scale, with sprint points on selected weekends; qualifying still runs as a three-part knockout; tyres still come from Pirelli on the C1–C6 dry range plus intermediates and wets; and parc fermé still locks car setups from qualifying through the race. If you want the fine detail on any single 2026 change, the dedicated guides on the 2026 power unit, active aerodynamics, the manual override and DRS go deeper. As always with a brand-new formula, several specific figures and procedures can be refined by the FIA during the season, so confirm exact numbers against the current regulations.