The third-generation PB Series, which covered both the Velox and Cresta was launched in 1962, remaining in production until 1965.
Vauxhall once again stuck to their traditional format with the FB- a spacious five/six-seater saloon powered by a six-cylinder engine that provided reliability without too much in the way of speed.
The PB series came with a new platform and body shell, at 107.5in, longer than before.
Vauxhall retained the 2.6-litre six-cylinder engine used on the PA, as well as the coil spring independent front suspension and the transmission choices (three-speed manual, overdrive, or automatic).
Front-Wheel disc brakes were available as standard.
With demand for the saloon version of the PB stuttering, Vauxhall soon concluded that introducing an estate version might boost demand and called on experienced designer and coachbuilder Martin Walter to add an officially approved estate cars to the range.
Even the estate car version failed to capture the imagination of the UK public and sales were slow with competition fierce from both Ford and Triumph.
Consumer feedback was that the PB’s design bore too strong a resemblance to the Victor FB to make it attractive to potential buyers.
Much more angular than the PA, Vauxhall had taken the radical step of abandoning the exaggerated but attractive wrap-around screen used on that model, instead opting for a much more conservative window style.
Inside the PB, the cabin was certainly more spacious than before, with Vauxhall making full use of the extra few inches added to the chassis to increase passenger comfort.
Responding to customer feedback, in October 1964, Vauxhall expanded the FB engine to 3294cc, pushing the bhp up to 115 in the process.
Consumer response to these updates were immediate and positive, with the PB’s performance and comfort levels much more to the car buying public’s liking.
With the PC already in advanced stages of development, Vauxhall was running the PBs down to the finish line.
Despite its impending discontinuation, from April 1965 Vauxhall began to offer power-assisted steering and two-speed automatic transmission as an option.
When it came in late 1965, the Cresta and Velox PB series disappeared from the Vauxhall showrooms with barely a whimper.
From this point onwards, Cresta customers could once again specify separate leather-covered front seats, with the majority of new owners happy to pass up on the front bench/ column change permutation. 
Response to these offerings was lukewarm as by now it was an open secret that the launch the PC series was imminent.
