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A test mule of the Bugatti Veyron successor has been spied driving at a slow pace around the Nürburgring.

The video kicks off with a Lamborghini Aventador featuring some wires sticking out from the rear end which indicates the supercar was carrying some sort of engine modifications. The Veyron replacement test mule joins the action around the 0:15 mark and as you can see it is being driven slowly.

Likely to be called “Chiron” after a concept from 1999, the new Bugatti is expected to continue with a W16 8.0-liter engine with four turbochargers, but two of them will allegedly be e-turbos. Output will increase to 1,500 PS (1,103 kW), up by 300 PS (221 kW) compared to the Veyron Super Sport. Torque will apparently remain the same at 1,500 Nm (1,106 lb-ft).

All that power will be channeled to the wheels through a reworked 7-speed dual-clutch gearbox which will enable the Bugatti Chiron hit 62 mph (100 km/h) from a standstill in two and a half seconds before topping out at 288 mph (463.5 km/h).

These are all unconfirmed details provided by Automobile Magazine in a report from December 2014 which also stated the Chiron will have 92% new or overhauled components. The model is supposed to have active air deflectors, carbon ceramic brakes and an entirely new interior cabin with a speedometer showing the magical 500 km/h mark.

A concept previewing the new Bugatti will likely be shown before the end of the year, with the production version going official sometime in 2016.

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