‘It’s a big difference’ — Collins questions whether the FIA test reflects real engine heat.

LONDON (AP) — Formula One ’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be measured midway through this season and in the 2027 season.

Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

FIA introduces stricter engine testing to ensure 2026 power unit compliance under real conditions. Toto Wolff downplays compression ratio concerns, acknowledging Formula 1's political nature. Q3 ...

After running near the top of the timesheets during the five-day test at the Barcelona circuit in late January, it was noted that the Mercedes-AMG team had a not-insignificant power advantage over the ...