1960 Alfa Romeo Spider Giulietta on 2040-cars

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B.A.T. Alfa Trinity, some of the world's most famous concept cars, are up for auction

Of the cars that never saw production, there are a handful that nevertheless have had an outsized influence. Among the most famous are the wild Berlinetta Aerodynamica Technica (B.A.T.) concepts commissioned by Alfa Romeo in the mid-1950s. Three B.A.T. Alfas were created by Italy's Bertone design house and were unveiled at succeeding Turin auto shows in 1953, '54, and '55. The cars are now coming up for auction for the first time as a group at RM Sotheby's Contemporary Art Evening Auction in New York on October 28. The first of the trio was B.A.T. 5, which like its successors was built on the Alfa 1900 Sprint production chassis. The goal of the B.A.T. 5 was aerodynamic efficiency, and the car boasted a cD of 0.23. Aiding the cause were covered front wheels, a greenhouse with steeply curved side glass, and twin tail fins. The second concept was B.A.T. 7, from 1954. It has the wildest styling of the trio, with sharply curved tail fins. It also has the lowest drag coefficient, at 0.19. B.A.T. 9, from 1955, was the most production-feasible of the group. It features an Alfa Romeo shield grille at the front and exposed headlights with clear covers. All three are credited to Franco Scaglione, working with Nuccio Bertone. They were seen together for the first time at the 1989 Pebble Beach Concours d'Elegance. They would appear together again at Pebble Beach in 2005 and at Bertone's 80th-anniversary celebration in 1992. The cars were acquired by a single owner sometime after their first Pebble Beach appearance. The ability to acquire all three at once is part of what makes this an extraordinary opportunity. The B.A.T. Alfas are being sold as a single lot and are expected to bring between $14 million and $20 million.

Alfa Romeo's Giulia Quadrifoglio gets the GTA treatment

Alfa Romeo will celebrate 110 years of building some of the world's most emotional driving machines with a brand-new Giulia Quadrifoglio GTA. GTA, which stands for "Gran Turismo Alleggerita," is a throwback to the 1965 Giulia Sprint GT, which first got the treatment. The new GTA and GTAm will elevate the Giulia's already driver-friendly formula to a whole new level.  If the plain-Jane Giulia Quadrifoglio is a BMW M3 or Mercedes-AMG C63 competitor, the GTA is your Competition or "S" variant, respectively. It boasts more power, less weight, enhanced aero, a revised suspension, and a reworked chassis and interior designed to keep the driver in place and focused on one task and one task alone: driving fast.  The wick on the GTA's 2.9-liter twin-turbocharged V6 has been turned up a bit, resulting in a new peak rating of 540 horsepower (up 30 from the base car). To reduce weight, Alfa replaced a host of exterior panels with carbon fiber equivalents. The carbon treatment extends to some other components, such as a the drive shaft. Alfa says the net reduction works out to 220 pounds.  Outside, the aero has been completely revised with technical know-how provided by Sauber Engineering (of F1 renown). It also boasts 20-inch center-locking wheels and a titanium exhaust system. Alfa replaced many of the suspension bushings, the shocks and the springs with performance-friendly hardware. The GTAm pushes the formula even farther. We hesitate to compare a sport sedan to a GT Coupe, but the relationship between GTA and GTAm is quite similar to that between the Porsche 911 GT3 and GT3 RS. Both are fundamentally the same car, but the latter compromises a great deal more of its daily drivability for the sake of improving its on-track feel and performance.  With the GTAm, this included a set of carbon-backed front bucket seats with six-point harnesses, Lexan window inserts for the side and rear windows, and a rear seat delete. In place of the rear bench, you get a harness bar attached to a structural roll hoop, plus a handy little cubby for storing your custom Bell helmet in Alfa's GTA livery (which comes with the car, as well as an Alpinestars race suit, gloves and shoes, and a personalized Goodwool car cover). Checking in at just 3,350 pounds, the GTAm boasts a power-to-weight ratio of 6.2 pounds per horsepower, which Alfa says is the best in the class, enabling a 0-60 run in just 3.6 seconds.

I love the Disco Volante Spyder

For the past couple of years, Touring Superleggera has always given me reason to pause at the Geneva Motor Show. Casually sitting on the company's rotating stand is the Disco Volante, an absolutely exquisite version of the Alfa Romeo 8C with custom bodywork. I first saw it in red, then green, and now in a powder blue, as a Spyder. Only seven of these open-top Discos will be built, and I want one. Photos do not do this car justice – you really have to see it in person. For those of you who won't make it to Geneva this year, this video gives a better look at the curves and lines of Carrozzeria Touring Superleggera's creation. The tuning house is celebrating its 90th anniversary this year, and the new Disco Volante Spyder is (arguably) some of its finest work. Plus, bonus points for the name alone. How cool would it be to tell your friends you've got a Disco Volante in the driveway? But don't just take my word for it. Have a look at the gorgeous little two-door in the gallery below. View 13 Photos Image Credit: Live photos copyright 2016 Drew Phillips / AOL Design/Style Geneva Motor Show Alfa Romeo Convertible Original Video 2016 geneva motor show touring superleggera