Sergey Sirotkin will be an “amazement” in 2018 and ought not be delineated as a ‘pay driver’, Williams have demanded.

Sirotkin beat off rivalry from Robert Kubica to fill the last seat on the 2018 lattice when he was designated as Lance Stroll’s partner at Williams following the retirement of Felipe Massa.

The Russian awed amid the post-season Abu Dhabi test however his arrangement has been covered in debate in the midst of cases his marking has conveyed around $15m to the group in sponsorship cash.

Yet, Claire Williams, appointee group primary for the Grove furnish, has demanded Sirotkin was marked on justify – and ought not be disparaged in front of the new 2018 season.

“I believe he will astonish many individuals this year. His specialized capacity joined with his track capacity is extremely amazing,” Williams said.

The 22-year-old Sirotkin and 19-year-old Stroll will frame the most youthful driver matching on the lattice in 2018, however Williams demanded: “Everyone realizes that triumphant for Williams is about the Constructors’ Championship. I take a gander at these two drivers and think they have a tremendous measure of potential in Formula 1.

“We don’t settle on these choices gently.”

Specialized executive Paddy Lowe included: “The choice procedure we utilized was extraordinarily comprehensive – the most thorough I’ve at any point been associated with including the specialized group. Sergey was chosen basically on the value of his driving. That group know nothing about accounts, they are not engaged with it, and they decided themselves.”