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Aston GT12 Roadster is a one-off convertible from Q Division

The Aston Martin GT12 is already the most track-focused, hardcore variant in the Vantage lineup. Q by Aston Martin has made the GT12 a little more special by unveiling a one-off GT12 Roadster at the Goodwood Festival of Speed today. Thanks to a naturally-aspirated 6.0-liter V12 engine, the brute puts down 592 hp and 461 lb.-ft. of torque. And thanks to a weight savings of 330 lbs. over the road-going Vantage V12 S, it's blisteringly quick around a track. Chopping the roof off of a hardcore track car seems a little odd, but Q by Aston Martin received a request from a customer and delivered the vehicle in a nine-month period. The roadster may share a lot of the same components as the GT12 it's based off of, but it's a bespoke machine that most likely won't be repeated. While the GT12 Roadster utilizes the same V12 engine and seven-speed Sportshift transmission, changes have been made to the car's body. New carbon-fiber body panels give the GT12 Roadster a menacing look, while changes to the suspension ensure the lucky owner receives the same cornering ability as drivers in the coupe variant. Thanks to a folding fabric roof and titanium exhaust system, the GT12 Roadster's V12 will provide a marvelous soundtrack that can't be rivaled by today's turbocharged cars. Pricing for the vehicle hasn't been announced, but it's surely a lot more than the base price of roughly $343,000 for the hard top. As a one off, the GT12 Roadster will most likely be garaged for the majority of its life. However, the vehicle will make its first - and perhaps only – appearance at the Goodwood Festival of Speed today. Related Video: Featured Gallery Aston Marting Vantage GT12 Roadster By Q Division View 19 Photos Aston Martin Convertible Luxury Special and Limited Editions Supercars roadster vantage

Aston Martin Valkyrie officially makes 1,160 horsepower

The Aston Martin Valkyrie hypercar will have a total system output of 1,160 horsepower and 664 pound-feet of torque. We knew the raw figure from the naturally aspirated V12 engine was 1,000 horsepower, but a few details on the KERS-style hybrid assistance system were released today. In doing the math, this means the single electric motor mounted in the gearbox is responsible for adding 160 horsepower and 207 pound-feet of torque to the equation. Aston says the electric motor and battery pack were developed with the help of Integral Powertrain Ltd and Rimac as suppliers and partners. We all know Rimac for its ridiculous electric supercars it has made, so it looks to be a smart partnership for now. Peak combined power is made at a dizzying 10,500 rpm, with peak torque coming in at a still-high 6,000 rpm. If you missed out on the engine breakdown from this past December, then know the 6.5-liter V12 will keep spinning until 11,100 rpm. We're guessing this race-car-like number drops your jaws, just as it does ours. Cosworth and Aston Martin teamed up to create this beauty of an engine — sound clips of it running make us think we're listening to historical Formula 1 footage; it's that good. This news comes ahead of the 2019 Geneva Motor Show next week, which could prove itself a launching pad for even more information to be learned about the Aston Martin hypercar. At this point we know there will be an even more exclusive AMR Pro track-only variant and a track pack option for the "normal" Valkyrie, which isn't all that normal itself. It's expected to weigh a light 2,200 pounds and have an unrestricted top speed of 254 mph. Aston appears to be continuing development on the car, so don't consider those final quite yet. Related video:

1965 Aston Martin DB5 Shooting Brake: Rare, stylish, practical, and up for auction

Have you ever looked at a 1965 Aston Martin DB5 and thought, "I would totally buy one, but it's just not practical enough." If so, we're a little surprised, but at least you're not alone. According to RM Sotheby's, David Brown, the man who ran Aston Martin for several decades and started the line of DB models that continues today, felt similarly. Apparently he couldn't fit his polo gear into a regular Aston coupe, and he wanted somewhere for his dog to sit that would keep it from tearing up the seats. As such, the Aston Martin DB5 shooting brake was created for him and a few wealthy customers by coachbuilder Harold Radford. The grand total was 12. One of those 12 cars is going up for auction by RM Sotheby's. It's one of four built with left-hand drive and was sold to a Swiss buyer who optioned it with a power antenna, seat belts, passenger-side head rest, air horns and initials on the doors. The car has had two other owners and has gone through a couple restorations. The second owner picked it up in 2003 and had it restored by Aston Engineering, which bumped the displacement from 4.0 liters to 4.2 and replaced the factory automatic with a 5-speed manual. The second owner acquired it in 2009 and upped the displacement even further to 4.7 liters along with upgraded shocks and springs. The car will be auctioned at RM Sotheby's Monterey event during the week of the Pebble Beach Concours d'Elegance. The company expects it to sell for between $1,000,000 and $1,400,000. Considering the rarity of the car, that doesn't seem terrible, but according to the Hagerty price guide, it's rather high. It values the DB5 Shooting Brake at $790,000 for a concours-quality car. For reference, Hagerty values a concours-quality DB5 coupe at $1,450,000.