Curiously, the concept is based on the pre-facelift 2012 LS model, and all Lexus badges have been replaced by the German TMG logo - raising questions on the project's official backing from Lexus headquarters.
On the surface, the TS-650 appears to be an answer to the likes of Mercedes-Benz’ S 63 AMG, but the TS-650’s specs read more like a Black Series model - a venture seemingly beyond even the niche-filling Mercedes.
Under the bonnet sits a 478kW/710Nm twin-turbocharged version of the IS F’s 5.0 litre V8, with internal strengthening to permit a 9000rpm redline.
Given the existing flagship Ls 600h’s 326kW petrol-electric drivetrain generates 5.5 second 0-100km/h acceleration, the TS-650 could see this figure drop below 5 seconds.
The TS-650’s power is sent to the wheels via Lexus’ eight-speed automatic transmission, and all modifications are intended to be track-ready, yet road-legal.
The big sedan is also equipped with a comprehensive carbon-fibre aero package - tuned in TMG’s wind tunnel to aid a circa-322km/h top speed.
TMG and Lexus have yet to announce plans for the concept - or whether it might hint at a future LS F performance flagship - but we can likely expect more details in the coming week.
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