The seven-time world champion emphasized that the weight reduction alone accounted for the majority of the performance step seen at the Red Bull Ring.
"They made a huge step this weekend," said Hamilton. "I think they must have brought a three or four tenths [of a second] upgrade.
Three tenths was just from the weight that they dropped from the car, which was huge."
"Considering they've been so close in some of the races like Monaco and they were nine kilos overweight, it's showing that they've got a good car and that they've lost that weight.
And then they brought up lots of upgrades, so they're going to be a force to be reckoned with in the following races."
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Next Race
The 2026 Formula 1 championship battle shifts immediately to the United Kingdom for the British Grand Prix at Silverstone this coming weekend.
