Ferrari’s new flagship packs more than 800bhp, weighs as little as 1100kg and promises to be as close to a true competition car as any road-legal vehicle yet made, according to company sources. The Enzo replacement — codenamed F150 — is due to make its public debut next spring.

Compared with the upcoming McLaren P1, the F150 is claimed by Ferrari to make more sophisticated use of carbonfibre in its construction.…