2011 Ferrari 599 GTO

9,457 miles. 1 of 599 GTOs produced. Sold new by Continental Ferrari in Hinsdale, Illinois. 6.0L/661 HP V-12 engine. F1-Superfast 6-speed sequential transmission. Corsa Red with racing stripe. Carbon ceramic brakes with Red calipers. Factory car cover. Manuals. Tool kit.

Few cars carry the weight and reverence of “Gran Turismo Omologato.” Prior to 2010, only two models bore the iconic GTO badge: The legendary 250 GTO of 1962 and the 288 GTO of 1984. Both were created to satisfy rigorous homologation standards and have since become some of the most prized and collectable Ferraris ever built. Declared the most extreme sports car in the company’s lineup, the 599 GTO lapped Ferrari’s Fiorano test circuit a full second quicker than the vaunted Enzo. A mere 125 units were designated for the US market.

The 2011 Ferrari 599 GTO had a base manufacturer's suggested retail price (MSRP) of $416,550 when new. Few left the factory for that. The car appears at Mecum.

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1956 Maserati A6G/2000 Zagato

The A6 is a rare gem, especially in A6G 2000 Zagato trim. It’s desirable. Not just beautiful to look at, the Zagato-designed A6G 2000 also had a successful racing career. This example competed at the Mille Miglia in 1956 and it’s one of only 20 cars ever built. It went through a two-year restoration and won two awards at the 2014 Pebble Beach Concours d’Elegance.

The A6G54 was Maserati’s only dual-purpose road/race car made in series production. After the A6GCS became a success on the racetrack, Maserati redesigned the model as a road-going sports car that was more suitable for increased production. The A6GCS racing engine was tuned to provide a better power curve and fitted with a normal wet-sump lubrication system specifically for the A6G54 2000. The twin-spark cylinder head with its 12 wire distributor was offered only as an option. It raised the ante to 190 horsepower.

A 1956 Maserati A6G/2000 Berlinetta Zagato chassis 2124 sold by RM Sotheby's in 2018 for $4.5m.

The A6G/2000 was catapulted onto a bigger stage when it was used by Maserati as a practice car for the Mille Miglia. It was tested by several drivers including the legendary pair of Sir Stirling Moss and Denis Jenkinson.

The Maserati A6G 2000 was the ultimate racing berlinetta of the 1950s.

2017 Ferrari F12tdf - $1.9m high bid

The F12tdf was about 243 pounds lighter than the contemporary F12berlinetta and featured revised bodywork and aerodynamics including a wider track. The 2017 Ferrari F12tdf had a starting MSRP of $450k to $500k+ when new, though highly optioned models often exceeded $600k+. One of 799 examples built between 2015 and 2017; one of 299 US-delivery examples. Giallo Triplo Strato. Alcantara Nero interior. Carbo Fiber racing seats with Giallo stripe. Giallo seat belts. Front lift package. Parking cameras. Odometer reads 1,300 miles.

The 2017 Ferrari F12tdf (Tour de France) is a limited-production, track-focused evolution of the F12berlinetta. It boasts a potent 770hp 6.3L V12, rear-wheel steering, and blistering performance, including 0-62mph in 2.9s and a sub-1:22 lap at Fiorano. Top speed is 211 mph. It is a highly collectible modern classic. Hagerty suggests a concours condition 2017 Ferrari F12tdf is trending around $1.3m. This example appears at Mecum.

1931 Duesenberg Model J Tourster by Derham - $1.2m bigh bid

The 1931 Duesenberg Model J Tourster by Derham is an extremely rare and valuable classic. Only eight original Derham Toursters built on a Duesenberg Model J chassis were built. Known for its sophisticated design by Gordon Buehrig and luxurious, open-air coachwork by Derham, it represents the pinnacle of American automotive luxury and performance from the era. $550,000 comprehensive restoration. Tourster body by coachbuilder Derham. 420 CI Inline 8-cylinder engine. 3-speed manual transmission. Black exterior. Black soft top. Beige interior. Bench seat. Jaeger Watch Co. chronograph. Duesenbird mascot.

The 420-cubic-inch (6.9L) straight-eight, dual overhead camshafts (DOHC) engine produced 265 hp, capable of propelling the car to speeds over 116 mph. The car was the epitome of advanced engineering, hydraulic brakes were novel for that time. The car appeared at Mecum.

1969 Chevrolet Yenko Nova - $852,500

29,454 miles. 1 of only 38 Yenko Novas produced for 1969. Sold new at Yenko Chevrolet in Canonsburg, Pennsylvania. Comprehensive restoration. L72 427/450 HP V-8 engine. M21 4-speed manual transmission. 12-bolt rear end. F41 heavy-duty suspension. Power brakes with front discs. Heavy-duty cooling system with upgraded radiator.

Car was powered by a 427/450 HP L72 V-8, factory-installed under Chevrolet’s Central Office Production Order program for dealer Don Yenko. It was the most dangerous car Don Yenko ever built. Brutally overpowered and underweight, the car was dangerous in the hands of most.

Yenko commissioned 99 Chevelles equipped with the monster 450hp engine. He also opted to produce a short-run version of the Nova with the same mill. 38 compacts rolled out, including this Fathom Green coupe. The car changed hands at Mecum.

The most expensive American cars sold at auction

1935 Duesenberg SSJ. $22m. Duesenbergs were the most extravagant vehicles of their era, serving as status symbols for the wealthy and famous. This roadster with coachwork by LaGrande is one of only two SSJ models built on the short wheelbase with the twin-carb supercharged engine. It was originally owned by actor Gary Cooper.

1962 Shelby Cobra. $13.7m. The first Shelby Cobra ever built. This prototype features unique characteristics not shared in later production Cobras.

1966 Ford GT40 Mk II. $13.2m. This GT40 made a second-place finish at the 1966 12 Hours of Sebring behind the GT40 X-1 roadster piloted by Ken Miles and Lloyd Ruby. Just eight Mk II GT40s were built.

1968 Ford GT40 Gulf/Mirage Lightweight. $11m. Jacky Ickx and Dr. Dick Thompson drove this car in its race debut at Spa in 1967, where it won. It also served as a camera car in Steve McQueen’s Le Mans.

1931 Duesenberg Model J Long-Wheelbase Coupe. $10.3m. This coupe, with Coachwork by Walter M. Murphy Company, was restored to exacting standards and won its class at the Pebble Beach Concours d’Elegance.

1966 Ford GT40 Mk II. $9.7m. This GT40 Mk II was campaigned by legends including Ken Miles, Richie Ginther, A.J. Foyt, Mark Donohue, and Peter Revson.

1969 Ford GT40 Lightweight. $7.8m. Equipped with its original body, chassis, engine, and transaxle, this small-block-powered GT40 lightweight was rebuilt and restored to its 1969 specification.

1957 Chevrolet Corvette SS Project XP-64 $7.7m. This car was the personal project of Zora Arkus-Duntov, the father of the Corvette. It shared little but the grille with its factory Corvette brethren.

1964 Shelby Cobra Daytona. $7.6m. Helping Shelby win the GT 3.0+ class at the 1965 World Sportscar Championship, just six copies of the Cobra Daytona were built.

1957 Chevrolet Corvette fuel-injected convertible - $211k

RPO-684 heavy duty brakes and suspension, 1 of 51 produced. First year for the fuel-injected Corvette. Numbers matching fuel-injected 283/283 HP V-8 engine. 3-speed manual transmission. Arctic Blue with Inca Silver coves and Venetian Red interior. 1 of 258 produced in this color combination. Body-off restoration. Bloomington Gold Certified. NCRS Top Flight award.

RPO 684 was a heavy duty racing suspension. 51 of the 6,339 1957 Corvettes were produced with RPO 684, which incorporated segmented cerametallic brake linings inside large, finned brake drums, fresh air ducting to the rear brakes, front and rear vented backing plates with screened air intakes, special front and rear springs and shock absorbers, a heavier front sway bar and quick steering adaptor. In addition to radio and heater delete, RPO 684 demanded a choice of either the dual 4-barrel equipped 283/270 HP or the fuel-injected 283/283 HP V-8 engines.

This car has undergone two body-off restorations over its history, and has earned highly coveted Triple Crown status by virtue of having won Bloomington Gold Certification, an NCRS Top Flight Award and a Chevy Vettefest Gold Spinner Award. Estimate for this top example was $200k - $225k at Mecum.