The one-off 2006 Lamborghini Concept S failed to sell at RM Sotheby’s auction in New York this week.

It was at the 2005 Geneva Motor Show where Lamborghini introduced a non-running Concept S that received very positive feedback. The company then decided to actually make a production car in 100 examples, but in the end only one was completed. The reasoning behind this decision had to do with high production costs and a time-consuming process. With only one car ever made, you’d expect it to be a hit at an auction, but that wasn’t the case.

This week at RM Sotheby’s “Driven by Disruption” auction in New York, the car actually failed to sell. The auction house estimated it would fetch anywhere between $2.4 to $3.0 million, but the car still has the same owner as nobody wanted to pay the unspecified reserve price. That’s a little bit embarrassing taking into account this is after all a Lamborghini and only one functional car exists.

Even after a decade, the Concept S remains a spectacular vehicle and it’s barely used as it has been driven for just 112 miles (180 km). Chances are the road-legal roadster will once again hit the auction block in the future with a more attainable reserve price.

Gallery: Unique 2006 Lamborghini Concept S

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