If you have a spare £115k floating around in the bank then the Alpina supercar, which is an evolution of the BMW7 Series saloon, could be right up your street.

The Alpina B7 Bi-Turbo made its debut appearance at the Geneva Motor Show earlier this year and now a handful of the sensational 205mph cars are on sale to UK buyers.

Powering the world’s fastest four-door production car is an Alpina-optimised 4.4-litre V8 engine, which delivers 608bhp and 800Nm of torque, so the new B7 Bi-Turbo joins the exclusive group of cars with 200mph-plus performance.

It features an eight-speed automatic transmission from supplier ZF and the gear changes can be controlled manually using the Alpina Switch-Tronic buttons on the back of the sports steering wheel.

The Alpina B7 Bi-Turbos destined for the UK will be long-wheelbase models with air suspension and active rear steering, which turns the rear wheels a maximum of three degrees the opposite way to the front wheels at low speeds and the same way at higher speeds.

In the UK the car is available only with rear wheel drive and will be capable of blasting its way to 60mph in just 4.0 seconds.

In order to develop such a fire-breathing model, Alpina’s 70-strong engineering team was given access to BMW design data and technical facilities as part of a relationship that dates back to 1964, when BMW endorsed the quality of Alpina products by awarding the full factory guarantee to BMW vehicles fitted with the new Alpina dual carburettor system.

Alpina GB brand manager Gary Lott said: “Not long ago, only the most focused £million hypercars could touch 200mph. Where road conditions allow, owners of the new B7 Bi-Turbo can cruise long distances at that legendary speed, with friends and family in considerable comfort.”