Notably, he ran 80 laps in comparison with Kvyat’s 137 and Raikkonen’s 138.
Nevertheless Hamilton, who was 12th quickest behind Bottas, appeared preoccupied with Ferrari.
“[They] are very, very sturdy proper now,” he stated.
“As you may have seen, they’re racking up nice mileage as properly and it seems that they’ve a greater bundle than they’d final 12 months, which implies it’s going to be much more of a problem for us this 12 months.”
Hamilton gained his fifth world title final 12 months, beating Vettel and Raikkonen within the drivers’ championship.
“Ferrari all the time seems notably sturdy, for the previous few years they’ve regarded very sturdy, so that’s to be anticipated,” he stated.
“For us, we’re simply going about our course of and making an attempt to grasp, so everyone seems to be working extremely laborious.”
He stated it is too early to be overly involved with a rival’s efficiency.
Purple Bull had Max Verstappen fifth-quickest after 109 laps on Wednesday.
Kvyat’s time of 1 minute, 17.704 seconds was the quickest of the week.
Williams lastly made it to the observe after lacking the primary two days of testing due to delays with their 2019 automobile. Rookie George Russell managed solely 23 laps and was the slowest driver of the day.
Ricciardo stated on Tuesday he felt “fairly inspired” with the laps he did earlier than the failure.
“The best way the automobile used the tyres I assumed was fairly encouraging. I did not really feel prefer it fell off a cliff and we’re killing it,” he stated.
Requested how the rear wing had felt, he replied: “Whereas it was on it was OK.”
The season-opening Australian Grand Prix is on March 17.