The LaFerrari XX has been spied once again undergoing testing, this time at home around the Fiorano circuit.

The LaFerrari XX has been spied once again undergoing testing, this time at home around the Fiorano circuit.

The Los Angeles Auto Show might be in full swing but there's something interesting going on in Europe too as our spy photographers grabbed on camera a fully camouflaged prototype of the LaFerrari XX. The track-only prancing horse appears to be wider than the road-going version and also has two fixed rear spoilers which we haven't seen before. Other changes include additional front air intakes, dual exhaust system and a lower front spoiler lip.

Just like the regular LaFerrari, the hardcore XX version will make use of a V12 6.3-liter but this has been upgraded to deliver an extra 100 bhp (74 kW) for a grand total (including hybrid system) of 1,050 bhp (782 kW). The added oomph along with racing tires and optimized aerodynamics will allegedly allow the vehicle to run the 0-62 mph (0-100 km/h) sprint in less than three seconds on its way onto a top speed of more than 217 mph (350 km/h).

Only around 30 cars will ever be built and each is estimated to cost £2M ($3.1M / €2.5M). All cars will be stored by Ferrari at Maranello where the company's technical team will provide the necessary maintenance. A full reveal is expected to occur early December at the Ferrari Finali Mondiali event in Abu Dhabi.

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LaFerrari XX spied testing at Fiorano circuit