While Milton Keynes-based outfit has seen its switch to Honda as a long-term project to deliver the World Cup, it is already full of praise for its first pairing.
Red Bull had an encouraging opening Test day in Barcelona in Spain, where Max Verstappen completed 128 laps to set the fourth fastest time.
"Power is a dominant factor, but I have to say that the installation of this engine in the chassis is probably the best we've ever had," team manager Christian Horner said.
"When you see how it's completely integrated, it's in the chassis, it's really a beauty.
" The whole engineering team with Honda has done a great job of installing what looks like a Swiss watch on the back of our chassis. "
Earlier in the day, Toro Rosso boss Franz Tost, whose outfit is also supplied by Red Bull, received no doubt that his sister team could win this year.
Asked by Motorsport.com if he shared Tost's optimism, said Horner: "I'm sure Franz will also be on the podium this year!
"Look, it is great to have the enthusiasm and optimism shown by Franz. We are happy to work with Honda on what is a true partnership, as opposed to a customer service relationship. And we have that already know.
"It's not going to be a quick process, there is no silver ball and I think that as organizations learn more about each other and their strengths and relative weaknesses, it is something that will grow over a period. But we do not make any time horizon over it. "
Horner also revealed that Honda's state of readiness for the pre-season test program was also more advanced than his outfit had experience with Renault in recent years.
" We have already seen from Toro Rosso last year that great progress was made, and of course our decision was based on what we could see and measure. And I have to say so far that we have been very impressed with everything we have seen.
"This is the first time in 1