Newey’s Red Bull cars prevented Alonso winning at least two further championships, when he was at Ferrari in 2010 and 2012, and the two have long wanted to work together.
Aston Martin signed to become Honda’s works partner in May 2023, while the Japanese company was in the course of four consecutive drivers’ titles and two constructors’ championships with Red Bull.
Newey, a design legend regarded as the finest aerodynamic engineer in F1 history, said Honda’s problems were founded in its decision to quit F1 in 2021, only to change its mind on the basis of the new rules that are being introduced this year.
Newey, who joined Aston Martin in March last year, said he and the team did not know about Honda’s problems until November, when he, team owner Lawrence Stroll and chief strategy officer Andy Cowell visited Honda’s base in Tokyo “to discuss rumours” that the Japanese company “wouldn’t achieve” their “original target power”.
He added: “Out of that came the fact that many of the original workforce had not returned when they restarted.
“When they reformed, a lot of the original group had it now transpires disbanded and gone to work on solar panels or whatever.
“A lot of the group were new to F1 and didn’t have the experience they had previous.
“Plus, when they came back in 2023 that was the first year of the budget cap for engines.
“All their rivals had been developing away through 2021-2022, with continuity, existing team and free of budget cap.
“They re-entered with, let’s say, only, I’m guessing, 30% of their original base staff and now in a budget cap era so they started very much on the back foot and unfortunately they have not been able to catch up.”