An Aston Martin One-77 has been spotted on the streets of London. It was traveling to Silverstone to promote the FIA GT1 World Championship.

Aston Martin's One-77 supercar has been spotted in the St. James district, of London.

While this extraordinary event is not commonplace, the car was traveling to Silverstone to promote the FIA GT1 World Championship.

As you may recall, the One-77 is powered by a 7.3-liter V12 engine with approximately 700 bhp (522 kW / 710 PS). While detailed performance specifications haven't been released, a pre-production prototype hit a top speed of 220 mph (355 km/h).

Priced in excess of £1,200,000 (€1,385,250 / $1,823,440), One-77 production will be limited to 77 units.

Be part of something big