Aston Martin's new turbo V6 sounds like a glorious beast

There’s much more to a hypercar than style alone. The car has to look good, but it also has to have lots of power and sound good as well. We got to see the Aston Martin Valhalla hypercar several times, including its track debut last year. Aston Martin is now showing off the turbocharged V-6 engine that will be the …