Mercedes are at the centre of an engine dispute during F1s two pre-season tests in Bahrain; watch the 3-4pm hour on each day of the first Bahrain test live from Wednesday on Sky Sports F1 before full

Reigning world champion Lando Norris finished the first public day of Formula 1 testing in 2026 fastest at the Bahrain International Circuit. The McLaren driver

James Vowles has revealed he is impressed by Red Bull Racing’s power unit, describing their progress as a positive and welcome boost for Formula 1. Red Bull will compete this season with a power unit developed in collaboration with Ford,

Here's everything you need to know about the wholesale changes

Mercedes advanced run plan during Formula 1's 2026 pre-season has impressed its rivals

Lance Stroll is currently not on track driving the AMR26, as the team is carrying out precautionary checks on the car's power unit. Stroll is meant to drive during both the morning and afternoon sessions this Wednesday at the Bahrain International Circuit.

A hot-temperature compression ratio test is one solution set to be tabled at an upcoming meeting of the power unit advisory committee.

There are a couple of new power unit manufacturers in F1

George Russell and Kimi Antonelli covered 502 laps between them, which is extremely significant in the first test of a new era, regardless of how fast the car was right out of the box. Speed will be a worry later on, but the Barcelona run was the kind of start every team dreams of when it has both a new car and a new power unit.

FIA single seater director Nikolas Tombazis says Formula 1’s governing body is trying to resolve the topic of compression ratio limits before the season-opening Australian Grand Prix.This year’s new power unit regulations restrict the compression ratio of the fuel/air mixture in the cylinder to 16:1,

Zak Brown dismisses rival complaints on Mercedes' 2026 Formula 1 power units, which his McLaren team uses