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"The dry weight of the 2017 Audi R8 Spyder V10 is just 3,553.9 pounds (1,612 kg), giving it a power-to-weight ratio of 3.19 kg (8.6 pounds) per horsepower"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/audi-r8-spyder-v10-new-york/42451/>