This past Saturday, RM Sotheby’s was in Monaco for its biennial collectible car auction.->ke2845 Hosted by Le Sporting Monte-Carlo, the one-day event saw hundreds of the most glamorous (and expensive) automobiles on the planet hit the block, including antiques, sports cars,->ke506 race cars,->ke148 and modern-day supercars.->ke177 Throngs of collectors were in attendance, each hoping to snag a slice of four-wheeled perfection, and at the final gavel fall, more than $31 million had exchanged hands.

Setting the tone for the weekend was the Monaco Historic Grand Prix, which provided an intoxicating soundtrack of high-strung internal combustion via classic competition vehicles zinging their way around the famous harbor circuit.

Per tradition, this year’s lots included more than just cars, with race-inspired art, boats, motorcycles, vintage engines, late 19th-century bicycles, and other high-value automobilia also joining the lineup.

The results were a mishmash of ups and downs, with record sales numbers and unmet reserves sprinkled throughout. We’ve collected all the biggest lots from both camps right here, so read on to get the lowdown.

Continue reading the learn more about the 2016 RM Sotheby’s Monaco Auction.

The Big Sellers

1951 Ferrari 340 America Barchetta by Touring (Lot #232)

SOLD – 7,280,000 euros ($8,241,324)

This year, the biggest seller was a rare, competition-spec 1951 Ferrari 340 America Barchetta. It’s the third 340 America chassis ever built (only 23 were created), and the second of eight to sport bodywork by Carrozzeria Touring. Previously owned by Pierre Louis-Dreyfus, this Prancing Horse saw competition at the 24 Hours of Le Mans – first in 1951, then again in 1952, with Louis-Dreyfus sharing stints behind the wheel with Louis Chiron and Rene Dreyfus, respectively. The car has also enjoyed multiple runs in the Mille Miglia (1990 and onwards), and it was shown at the Concorso d’Eleganza Villa d’Este in 2008. It currently sits fully restored to its original 1951 Le Mans configuration, with a 217-horsepower, 4.1-liter V-12 engine, five-speed manual gearbox, and independent front suspension.

1997 Porsche 911 GT1 Evolution (Lot #261)

SOLD – 2,772,000 euros ($3,137,627)

Joining the Ferrari at the top of the sales list was another race car – the Porsche 911 GT1 Evolution. With a twin-turbo 3.2-liter flat-six engine pushing over 600 horsepower, this 911 helped clinch three titles in the Canadian GT Championship, and it’s seen competition in the Daytona 24 Hours.

Read the full story here.

1966 Ferrari 275 GTS by Pininfarina (Lot #243)

SOLD – 1,792,000 euros ($2,028,365)

In 1967, the 275 GTS was introduced as a fast, open-top grand tourer aimed at the U.S market, in particular California and Florida. Pininfarina takes responsibility for the bodywork, while under the hood lays a race-bred 3.3-liter V-12 good for 260 horsepower. A five-speed transmission, four-wheel independent suspension, and four-wheel disc brakes round out the spec. Only 200 were produced.

This particular example boasts just three previous owners, and sports its factory white paint and blue interior, plus the original tool roll, key set, and documentation. Borrani wire wheels adorn the exterior, while the driver enjoys a Nardi wood-trimmed steering wheel, gated shifter, and Connolly leather upholstery.

1948 Tucker 48 (Lot #266)

SOLD – 1,344,000 euros ($1,521,495)

After World War II, the U.S. car market was ripe for innovation, providing the right opportunity for small, independent automakers to take charge. One such automaker was the Tucker Corporation, which introduced the forward-thinking Tucker 48 sedan in March, 1947. Unfortunately, an investigation by the Security and Exchange commission caused turmoil for the Tucker Corporation, and despite initial widespread demand, the groundbreaking four-door failed to enjoy the success it deserved.

This example is actually the penultimate Tucker 48 ever built. Refreshed after a four-year restoration process, it comes complete with a 166-horsepower flat-six engine, four-speed transmission, and four-wheel independent suspension.

1952 Ferrari 212 Inter Cabriolet by Vignale (Lot #262)

SOLD – 1,176,000 euros ($1,331,308)

Ferrari replaced the 166 and 195 with the 212 in 1950, offering both a short-wheelbase model for U.S. consumption (a.k.a. the Export), and a long-wheelbase variant for Europe (the Inter). Throughout its three-year production run, just 78 Inter Cabriolet models were constructed, only four of which came with bodywork by Vignale. The Italian coachbuilder added several interesting design features, such as a dual-mouth front fascia and a unique chrome grille.

This is one of those four, with a councours-ready exterior, a 170-horsepower, 2.6-liter Colombo V-12 engine, five-speed manual transmission, and independent front suspension.

1988 Porsche 959 ‘Komfort’ Stage II (Lot #253)

SOLD – 896,000 euros ($1,014,330)

Few cars predicted the modern supercar era quite like the 959. Originally built for competition in Group B rally racing, this uber-911 pioneered many features now commonplace amongst the performance elite, such as adaptive suspension, an adjustable ride height, magnesium wheels, intelligent AWD, and sequential turbochargers. In stock form, top speed is just shy of 200 mph. This particular example is believed to be the only 959 delivered with a black exterior on a black interior, and it comes with engine upgrades good for an extra 100 horsepower at the wheels.

1995 Lamborghini Diablo SE30 Jota (Lot #241)

SOLD – 672,000 euros ($760,748), WORLD RECORD

In 1994, to celebrate its 30th anniversary, Lamborhini released a high-performance variant of the Diablo called the SE30. Framed as the marque’s fastest road-legal car, the SE30 got all the usual speed upgrades, including a lower curb weight, more power, extra rubber, a RWD layout, and bigger aero. Only 150 were produced.

In true Raging Bull form, the SE30 was also offered with the Jota package, which added an additional 70 horsepower thanks to a lighter crankshaft, new intake, free-flow exhaust, new cams, and a retuned ECU. The result was 595 ponies, enough to rocket the street-legal racer to 60 mph in 3.8 seconds. Top speed got bumped to 211 mph.

This example is one of just 15 SE30s to receive the Jota package from the factory, and incudes amenities like electric windows, a radio, and power steering, all of which were made optional to help save weight.

2004 Aston Martin DB AR1 by Zagato (Lot #242)

SOLD – 336,000 euros ($380,192), WORLD RECORD

In 2003, Aston Martin and Zagato teamed up to offer the limited edition DB AR1 (“American Roadster 1”) to the U.S. market. Based on the DB7 Vantage, only 99 were produced, few of which ever made it to Europe. This example, however, is one of the few, built to Euro-spec at the factory and delivered directly to Germany. Under the hood is a 5.9-liter V-12, which sends 435 horsepower to the rear axle via a six-speed manual transmission.

Failed To Sell

1968 Ferrari 275 GTS/4 NART Spider by Scaglietti (Lot #254)

ESTIMATED 19,000,000 to 23,000,000 euros ($21,498,975 to $26,025,075)

While $8.2 million for a Ferrari 340 America Barchetta is certainly nothing to sneeze at, the NART Spider is in an entirely different tax bracket. RM Sotheby’s calls it “the most popular, desirable, and valuable open road-going Ferrari,” and in this crowd, that’s really saying something. So, what makes it so absurdly pricey?

For starters, just look at it. Exuding grace and poise, the NART Spider is a breathtaking piece of design. It’s also a 1960s grand tourer with a front-mounted V-12, widely considered the preferred segment when it comes to collectible Ferraris. Compounding the issue is the car’s rarity – only 10 total were produced, and the other nine won’t appear on an auction block any time soon.

Unfortunately, the NART Spider failed to meet its reserve, and bidding concluded at 17 million euros ($19,235,925).

1972 Ferrari 365 GTS/4 Daytona Spider by Scaglietti (Lot #265)

ESTIMATED 2,400,000 to 2,800,000 euros ($2,716,320 to $3,169,040)

In 1967, the Ferrari 365 GTB/4 swept the podium at the 24 Hours of Daytona, and consequently, adopted the “Daytona” nomenclature for years to come. It also managed to take down the Lamborghini Miura to claim the title of fastest production road car, courtesy of its 4.4-liter V-12 powerplant. In 1969, the Spider variant was introduced at the 1969 Frankfurt Motor Show.

This example is one of only 18 Euro-spec, left-hand drive models, making it exceptionally rare. In 1999, the car underwent an extensive restoration by Sport Car of Milan and Carrozeria Bottini, as ordered by well-known collector Luigi Calvasina.

2008 Peugeot 908 HDi FAP Le Mans Prototype (Lot #251)

ESTIMATED 1,200,000 to 1,600,000 euros ($1,358,160 to $1,810,880)

Adding to the lineup of race-winning competition vehicles was a Peugeot 908 Prototype. Equipped with an ecologically friendly (at least by race car standards) 700-horsepower 5.5-liter V-12 diesel engine, this particular 908 HDi took outright victory in the 2009 Petit Le Mans and 2010 1000 Kilometers of Algarve, as well as second place in the 2008 24 Hours of Le Mans.