The Red Bull 400 promises an uphill battle.
Christian Horner's team is waiting for a new engine from Renault.
The season gets underway Friday in Melbourne.
The sport is set to undergo some "aggressive" changes.
Christian Horner sat down with Newsweek at the Red Bull factory ahead of the new Formula One season.
Verstappen finished fifth in the driver stands last year.
The new Formula One season begins on March 26.
Sebastian Vettel set the fastest time of testing so far Thursday.
Mercedes looks to be the team to beat again.
Daniel Ricciardo's car completed only four laps in Barcelona.
The team has learned from its experiences with Lewis Hamilton and Nico Rosberg.
Verstappen is aiming to become the youngest F1 world champion in history.
Hamilton suffered yet more technical issues at the Malaysian Grand Prix.