The former champions were third overall in last season’s constructors’ championship, winning four races.
The RB15 car was launched with temporary red-and-black livery.
However, they are expected to revert to their normal colours for the season-opening race in Melbourne on 17 March.
“I am very excited to get started as the off-season has been quite long,” said Verstappen, 21.
“The first two or three weeks feel like they are good to have and then after a break you want to get going.
“What I’m most looking forward to is starting the season and seeing how the whole team is operating together with Honda and how the engine is performing together with the chassis.
“Up until Australia you can’t really set goals – it’s a bit blind.”