Experience the power and performance of the Audi R8 V10 Spyder as it faces off against the mighty BMW XM in an acceleration showdown. Watch both vehicles push their limits, with the Audi's V10 engine ...

I thought rebuilding a neglected 2007 Audi R8 with a V10 swap would be a fun challenge—but it’s turning into an engineering nightmare. Our plan was to drop a 550hp V10 from a 2014 R8 V10 Plus into ...