Motorsport Week Deputy Editor James Phillips discusses the forthcoming summertime Formula 1 rule tweak that could hurt Mercedes' chances. The ...

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

Formula 1’s simmering engine row has finally boiled over – and the FIA has moved decisively to slam the lid shut.

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ...

The FIA have confirmed that new rules will be in place to prevent compression ratios going above 16:1 effectively closing a ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

Formula 1 constructors and the FIA have reached a compromise to quell the compression ratio saga that has dominated the 2026 pre-season ...

Formula One's governing body and manufacturers have reached a compromise solution to tackle an engine controversy that had ...

The same story goes for its figure-eight performance. 21.9 seconds at 1.08 cumulative average g is a supercar number, but it puts the ZR1X in a seven-way tie for fifth. Meanwhile, the standard ZR1 ...