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The Alfa 6C-1750 followed the 6C-1600 and was produced in six series from 1929 to 1933. In total, 2579 chassis were completed and they became the quintessential model for both amateur and professional drivers. Available in several body styles, most cars were sold as a rolling chassis to be bodied by coachbuilders including Zagato, Touring, Castagna, Ghia, Farina, Pininfarina, Weymann and James Young. The definitive form of the 6C-1750 was the short chassis Supercharged Gran Sport and Super Sport versions of which approximately 360 cars were made.
In competition, the 6C-1750 was quite possibly the most successful car/chassis ever manufactured by Alfa Romeo. In addition to winning the 1929 Mille Miglia, twenty-five out of twenty-six supercharged 1750s completed the 1000 mile course. During the 1930 Mille Miglia, the 1750 would sweep the first four places in the race and would become known for an epic 6C-1750 duel between Nuvolari and Varzi. Nuvolari overtook Varzi in the pre-dawn with his 1750's headlights switched off and continued to win the race with a finishing time of 6 hours 18 minutes 59 seconds (averaging 62.78 mph) making the 6C-1750 the first car to ever complete the 1000 mile Mille Miglia Race averaging over 100 kph. Other victories included the 1929 and 1930 24-Hours of Spa, 1930 Tourist Trophy, several World Speed Records (2000cc class) at Montlhery, France in 1931 (including 1000 kilometers @ 97.1 mph, 4000 Mile Record @ 93.97 mph and 48 Hour Record @ 94.4 mph) as well as winning numerous other Road Races, and Hillclimbs.
The Red Headlight covers (removed at night) served several purposes and were used by most Alfa Romeos competing in the pre-war Mille Miglia Races. Being an open road race, the covers protected the headlights from flying rocks, allowed the cheering crowds to easily identify an Alfa as it approached and could be used to distract non-Alfa competitors turning on those big 12V Bosch lights and tailgating the opposing car.
This particular car won its class in the 1990 Pebble Beach Concours d'Elegance and was also the recipient of Automobile Magazine's 'True Spirit Award' in 2003, for driving from San Francisco, racing in the Historic's and driving home again....all without using a trailer.
In competition, the 6C-1750 was quite possibly the most successful car/chassis ever manufactured by Alfa Romeo. In addition to winning the 1929 Mille Miglia, twenty-five out of twenty-six supercharged 1750s completed the 1000 mile course. During the 1930 Mille Miglia, the 1750 would sweep the first four places in the race and would become known for an epic 6C-1750 duel between Nuvolari and Varzi. Nuvolari overtook Varzi in the pre-dawn with his 1750's headlights switched off and continued to win the race with a finishing time of 6 hours 18 minutes 59 seconds (averaging 62.78 mph) making the 6C-1750 the first car to ever complete the 1000 mile Mille Miglia Race averaging over 100 kph. Other victories included the 1929 and 1930 24-Hours of Spa, 1930 Tourist Trophy, several World Speed Records (2000cc class) at Montlhery, France in 1931 (including 1000 kilometers @ 97.1 mph, 4000 Mile Record @ 93.97 mph and 48 Hour Record @ 94.4 mph) as well as winning numerous other Road Races, and Hillclimbs.
The Red Headlight covers (removed at night) served several purposes and were used by most Alfa Romeos competing in the pre-war Mille Miglia Races. Being an open road race, the covers protected the headlights from flying rocks, allowed the cheering crowds to easily identify an Alfa as it approached and could be used to distract non-Alfa competitors turning on those big 12V Bosch lights and tailgating the opposing car.
This particular car won its class in the 1990 Pebble Beach Concours d'Elegance and was also the recipient of Automobile Magazine's 'True Spirit Award' in 2003, for driving from San Francisco, racing in the Historic's and driving home again....all without using a trailer.
2020 RM Sothebys : Shift/Monterey
Pre-Auction Estimates :
USD $700,000-USD $900,000
Lot was not sold
1930 Alfa Romeo 6C 1750 GS Auction Sales
Recent Sales of the Alfa Romeo 6C 1750 GS
(Data based on Model Year 1930 sales)
1930 Alfa Romeo 6C 1750 Gran Sport Spider in the style of Zagato Sold for USD$390,000 2022 RM Sothebys : Monterey | |
1930 Alfa Romeo 6C 1750 Grand Sport Chassis#: 8513030/28 Sold for USD$1,323,087 2015 Bonhams : Les Grandes Marques du Monde au Grand Palais | |
1930 Alfa Romeo 6C 1750 GS Testa Fissa Chassis#: 8513089 Sold for USD$1,245,580 2012 RM Auctions - London | |
1933 Alfa Romeo 6C 1750 Gran Sport Drop Head Coupe Chassis#: 121215033 Sold for USD$781,000 2012 Gooding and Company - The Scottsdale Auction | |
1930 Alfa Romeo 6C 1750 GS Spider by Zagato Chassis#: 8513064 Sold for USD$990,000 2011 RM Auctions - Automobiles of Amelia Island | |
1930 Alfa Romeo 6C 1750 GS by Castagna Chassis#: 121215033 Sold for USD$744,688 2010 RM Auctions - Sporting Classics of Monaco | |
1930 Alfa Romeo 6C 1750 GS by Zagato Chassis#: 8513064 Sold for USD$1,169,160 2010 RM Auctions - Sporting Classics of Monaco | |
1930 Alfa Romeo 6C 1750 GS Zagato Chassis#: 8513064 Sold for USD$1,265,000 2008 Gooding & Company | |
1930 Alfa Romeo 6C 1750 GS Zagato Sold for USD$1,107,000 2008 Bonhams & Butterfields Sale of Exceptional Motorcars and Automobilia | |
1930 Alfa Romeo 6C 1750 Series IV Grand Sport Spyder Sold for USD$880,000 2008 Worldwide Auctions - Houston Classic 2008 | |
1930 Alfa Romeo 6C 1750 Grand Sport Sold for USD$1,100,000 2005 Worldwide Auctions - Houston Classic 2005 |
Alfa Romeo 6C 1750 GSs That Failed To Sell At Auction
1930 Alfa Romeo 6C 1750 GS's that have appeared at auction but did not sell.
Vehicle | Chassis | Event | High Bid | Est. Low | Est. High |
---|---|---|---|---|---|
1930 Alfa Romeo 6C 1750 Gran Sport Spider | 8513033 | 2023 Bonhams : Quail | $1,000,000 | $1,500,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Fourth Series Testa Fissa Two Seater Sports | 8513025 | 2022 Bonhams : The Quail Auction | $1,600,000 | $1,800,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Spider in the style of Zagato | 8513053 | 2020 RM Sothebys : Shift/Monterey | $700,000 | $900,000 | |
1930 Alfa Romeo 6C 1750 Gran Turismo Series IV Spider in the style of Zagato | 8613481 | 2020 RM : The European Sale featuring the Petitjean Collection | $400,000 | $450,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Spider in the Style of Zagato | 8513034 | 2020 RM Sothebys : Paris | $900,000 | $1,300,000 | |
1930 Alfa Romeo 6C 1750 4th Series Supercharged Gran Sport Spider | 8513033 | 2019 Bonhams : Les Grandes Marques du Monde au Grand Palais | $1,200,000 | $1,600,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport roadster Corsica | 8513049 | 2019 Artcurial : Retroobile | $900,000 | $1,400,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Spider | 8513001 | 2017 RM Sothebys : Villa Erba | $2,200,000 | $2,600,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Spider | 8513048 | 2016 RM Sotheby's : Monaco | $900,000 | $1,200,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Spider | 8513033 | 2012 Bonhams The Monaco Sale 'Les Grandes Marques à Monaco' | $850,000 | $950,000 | |
1930 Alfa Romeo 6C 1750 Gran Sport Spyder | 8513033 | 2011 Bonhams Automobilia, Motos de collection et Automobiles d'exception au Grand Palais | $950,000 | $1,250,000 | |
1930 Alfa Romeo 6C 1750 GT 4th/5th Series Tourer | 8613507 | 2010 Bonhams Goodwood Revival, Chichester, Sussex | $100,000 | $130,000 | |
1930 Alfa Romeo 6C 1750 4th Series GS Spider | 8513078 | 2010 Bonhams Automobiles d'Exception á Rétromobile | $550,000 | $650,000 |
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1930 Alfa Romeo 6C 1750 GS
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1930 Alfa Romeo 6C 1750 GS Vehicle Profiles
Testa Fissa Spyder
Coachwork: A.E. LeadbetterDesigner: George Easton
Chassis #: 8513025
Engine #: 8513025