"So I think it will take time, but both Red Bull and Honda have the same targets and I'm sure they will manage to achieve what they want".
Toro Rosso finished ninth of 10 teams a year ago with the Honda engine but Red Bull have sounded optimistic about the progress made by the Japanese manufacturer.
"I am very excited to get started as the off-season has been quite long", said Verstappen.
For the new RB15, the team appeared to have ditched the famous Red Bull logo that has featured on every one of their cars since they took over Jaguar ahead of the 2005 campaign.More news: Mauricio Pochettino says Tottenham are underestimated after beating Borussia Dortmund
The vehicle was launched in a striking dark blue and red colour scheme which the team confirmed was just for the RB15's first shakedown at Silverstone on Wednesday.
Pierre Gasly will partner Verstappen this season after stepping up from Toro Rosso - where he worked with Honda a year ago - and the Frenchman's experience convinces him the Red Bull-Honda pairing has potential.
The team is hopeful a switch to Honda will yield more consistent results.
"You get a first impression and you see if there any little issues with the auto or engine".More news: Assassin’s Creed III Remastered for Switch now listed on Ubisoft’s website
The Honda-powered RB15 turned its first laps during a shakedown at Silverstone on Wednesday.
Lewis Hamilton's rival Max Verstappen has joined him on track at Silverstone as Red Bull unveiled the machine they hope will topple Mercedes' dominance.
"We are expecting a lot", said Verstappen.
"With Honda, we're expecting a lot, we're all very positive but I think it also needs to take a little bit of time, it can not be from race one it will be flawless". Now we can go testing properly, we'll see what we can get out of that and we'll be able to understand the auto and the engine a bit better.More news: Study Finds Half American Youth With Mental Health Issues Go Untreated
"Of course today is a filming day", he continued, "so there's a limited amount you can get out of it, but it's really important to have a day like this, before you go to the official tests".