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Aston Martin DB11 V8 loses four cylinders but none of its grace

We love the Aston Martin DB11. Few vehicles combine speed, luxury, and comfort as well as that beautiful British coupe. That said, it's not the most efficient or affordable GT in the world, but Aston Martin is planning to change that. Starting this year, the company will offer the DB11 a twin-turbocharged V8 sourced from the mad Germans at Mercedes-AMG. We've known about the engine partnership for a while now, though we assumed the first Aston Martin to use a Mercedes-AMG V8 would be the next-generation V8 Vantage. At first, sticking a V8 under the hood might seem like an odd choice, but the DB series only recently started using V12s. Historically, the car has packed powerful inline-six engines. Offering two engines will allow the company to sell a lower-cost model and presumably boost sales. That means changes are strictly mechanical in nature. The engine is the now-common 4.0-liter twin-turbocharged Mercedes-AMG V8. Output is 503 horsepower and 498 pound-feet of torque. That's down 97 horsepower and 18 pound-feet of torque from the 5.2-liter V12. In the Mercedes-AMG C63 S, the 4.0-liter V8 makes equal horsepower and 18 more pound-feet of torque. Aston Martin says that the partnership with Mercedes-AMG allows the company to tailor the engine for Aston Martins. This means a new ECU with new engine and throttle mapping. Losing four cylinders changes the character of the car a bit. The DB11 V8 is a not-insubstantial 254 pounds lighter than the V12. Since most of the weight savings comes from behind the front wheels, Aston Martin says the V8 model is more agile than the V12 model. Engineers have adjusted the suspension bushing, geometry, anti-roll bars, springs, dampers, and stability control to account for the weight savings. The DB11 V8's diet helps offset the lower power output. As such, the 4.0-second 0-62 sprint is just 0.1 seconds off the V12. Top speed is down 13 mph to a still extralegal speed of 187 mph. We don't have fuel economy ratings for the US, but expect an improvement from the V12's current rating. The V8 will be available with all of the same equipment and trims as the V12, with just a few visual changes to distinguish the two models. The V8 gets unique wheels, darker headlight surroundings, and just two vents on the hood, available in either black or titanium. The DB11 V8 goes on sale in the US later this year. At $198,995, it undercuts the V12 model by $17,500.

Aston Martin Valkyrie heads to public roads for the first time

The Aston Martin Valkyrie may not be headed for the WEC racing series anymore, but it is finally hitting public roads. Aston Martin shared some images of the start of public road testing and tuning with a production prototype. The car is undisguised because, well, we've seen it a number of times before, but it's still interesting to see it in such mundane settings. Public roads really emphasize how alien the Valkyrie looks. In particular, the shot of it in front of other production cars show that it's about half their height. It also doesn't look especially longer or wider than some of the somewhat small cars in the background such as that Hyundai Kona. And of course the Valkyrie's deep diffuser openings, undulating fenders and little cockpit all look outrageous on the street. We mean that in the best way possible. Aston still plans to begin delivering Valkyries to customers in the second half of this year. It will make at least 1,000 horsepower and rev to over 11,000 rpm. It will be street legal, though not when equipped with the track package or if it's the 1,100-horsepower AMR Pro variant.

Aston Martin Vanquish S gets harder, better, faster

Now in its second generation, the Aston Martin Vanquish has finally earned a red "S" badge. That means a subtle revamp of the Vanquish's shape, speed, suspension, and interior specification to separate the new coupe from both the previous model and the new hotness, the incoming DB11. A meaner front fascia and a racy rear diffuser, both in exposed carbon fiber, reduce frontal lift. The new black quad exhaust pipes tucked into triangular cutouts just look mean. For those who want to go further, the already considerable option sheet gets new elements like carbon-fiber engine louvers and a new diamond-turned wheel design. Aston Martin also talks up an array of "striking painted graphics packs," which likely lean toward the subtle sky blue accents in the car pictured above as opposed to a purple and yellow Indy Pace Car package. The 6.0-liter V12 adds 12 horsepower for a total of 580. Larger inlet manifolds and a freer-breathing intake bestow finer throttle response for an anxious right foot. The eight-speed Touchtronic III gearbox adds refinement at the same time as it swaps cogs more quickly than before. Changes made throughout the suspension, from spring rates to damper internals, should do the trick when driving calls for more hammer than velvet. Not that you need to drive anywhere in the Vanquish S to enjoy it fully, since the cockpit is a reward unto itself. Chopped carbon fiber drenched in a satin sheen comprises the waterfall center console, in high-tech brutalist contrast to the new "Filograph" quilted seats in Bridge of Weir leather. One unsubtle aspect of the Vanquish S: the $294,950 price for the coupe, and a cool $312,950 for the Volante. Deliveries commence in December. Related Video: Featured Gallery 2017 Aston Martin Vanquish S View 16 Photos LA Auto Show Aston Martin Convertible Coupe Luxury Performance aston martin vanquish 2016 LA Auto Show aston martin vanquish s