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Aston Martin previews new 5.2-liter twin-turbo V12

Depicted in the teaser video above is Aston Martin's new 5.2-liter twin-turbocharged V12. Beyond those basic specifications, Aston isn't saying much about this new engine or what it will power, but it does promise that the new engine will debut sometime this year. The bulk of Aston Martin's current lineup – basically everything but the V8 Vantage – is powered by a 6.0-liter V12 that dates back to the DB7 Vantage that debuted in 1999. Only where that model produced 420 horsepower, the latest version in the Vantage GT12 produces nearly 600 hp. Which just goes to show how much Aston has been able to do with the aging engine, but everything has its limits, and all good things must come to an end. While the switch to forced induction may mean a less revvy engine, it ought to deliver more torque (as well as lower emissions and fuel consumption). Aston has a new partnership with Mercedes-AMG that is slated to supply the British automaker with a twin-turbo V8. But the German outfit has considerable expertise with twin-turbo V12s as well. The production facility that recently relocated from Affalterbach to Mannheim produces the 6.0-liter twin-turbo V12 that motivates Mercedes' own SL65 roadster, G65 sport-ute, and S65 sedan, coupe, and cabrio, as well as the version for the Pagani Huayra.

Xcar gets first live look at Aston Martin Vantage GT3

Yesterday Aston Martin took the wraps off the Vantage GT3, a limited-edition version of its entry level model that has now become its most powerful and hardcore. But while we'll have to wait a couple of weeks until the Geneva Motor Show to see it up close and in the metal, Xcar has been granted an exclusive behind-the-scenes look at Gaydon's latest. The Vantage GT3 packs the same 6.0-liter V12 as just about everything else Aston makes (save for the lower-spec V8 Vantage), but with 592 horsepower on tap and less weight to motivate, it'll out-perform them all. One of the best parts, though, is the engine note which Xcar was able to record and which sounds second to none. We're going to miss big naturally aspirated engines like this once the turbos have taken over for good. Related Gallery Aston Martin Vantage GT3 View 22 Photos News Source: Xcar Geneva Motor Show Aston Martin Coupe Performance Videos xcar aston martin vantage gt3

Tesla Model S squares off against Aston Martin Rapide S

Can the Tesla Model S electric motor's 443 pound-feet of torque from zero rpm and equivalent of 416 horsepower trump the Aston Martin Rapide S V12's 457 lb-ft from 5500 rpm and 550 hp? Autocar attempts to answer that question by drag racing them - which only leads us to ask more questions. Which is the fastest around a race track? Is the Tesla's relatively low top speed of 130 miles per hour (the Rapide S can reach 190 mph) forgivable in light of its astounding torque? Does that even matter?
We hope Autocar's Steve Sutcliffe will pit the Tesla and the Aston Martin against each other again in the near future to answer those questions, and pick once and for all which one is the preferred luxury sedan. But until then he entertains us in the video below by raving about the Model S's attributes, pitching it into medium-speed sweepers and getting it a bit sideways with nothing but road and tire noise permeating the cabin - something people in the UK can experience for themselves once right-hand-drive cars go on sale there this spring.