Meet the Valiant, an aero-heavy supercar based on the company's already magnificent Valour coupe. Staying true to Aston's edict that big engines are what people want, it uses a twin-turbo V-12 ...

“Valiant is born from my passion for driving ... Under the hood is a similar 5.2-liter twin-turbo V12, but it’s been upgraded to 743 horsepower, up from the Valour’s 705 hp.

Aston Martin’s new Valiant thumbs its nose at conventional ... and a 734-horsepower twin-turbo V12. It’s coming out soon, but not to a dealer near you, as is the manner with such limited ...