The world champion team managed 675 laps over the four days of the test, 228 more than its closest rival (Toro Rosso) and 224 more than it had completed in last year's test at the Spanish track.

Ferrari finished the four days of running 322 laps behind Mercedes.

Despite that, Raikkonen downplayed the significance of Mercedes' running, although he admitted he would have liked to do more laps on his first day, when he hit trouble.

When asked whether he was worried about the German team's mileage, Raikkonen responded: "No, why should I be worried? It's something that a lot of people do.

"We do our own stuff. Obviously we would have liked to have a bit more laps as I lost a day out of two, but that's a part of testing.

"We are getting ready for the races and if there's some issues or things to try, we do it here."

Raikkonen, whose team set the pace on three of the four days, conceded he had no idea if the new Ferrari was good enough to beat the Mercedes when the season starts.

"I don't know if the car is going to be good enough. The car feels nice and obviously we have a lot of other things to still try and test and tune," he said.

"It's definitely a step up from what we had last year, but is it going to be good enough? We'll see at the end of this year."