Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

Hamilton fears Mercedes’ pace edge may have a controversial ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Formula 1 is entering a new era in 2026 because of its regulation overhaul, which is arguably the biggest in the championship ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

An unconfirmed theory about how Mercedes and Red Bull have circumvented F1’s power unit compression ratio regulations has ...

The McLaren boss suggested the pre-season talk was much ado about nothing ahead of the season opener.

We all know the age-old maxim, "There's no replacement for displacement." It's the truth. That's why so many sanctioning bodies use displacement and compression rules to limit engine power. Of course, ...

Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

Veteran Italian journalist Leo Turrini has claimed that Mercedes could enjoy a significant power unit advantage throughout the 2026 F1 season due to the much discussed compression ratio loophole.