Ferrari 365 GTS/4: The Rarest Daytona
1969-1973 | Only 122 Built | The Ultimate Open-Top Ferrari
For every Ferrari 365 GTS/4 Daytona Spider built, ten 365 GTB/4 coupes left the factory. This 1-to-10 ratio tells the story of extreme rarity: only 122 official factory spyders produced between 1969 and 1973, compared to 1,284 coupes.
The convertible version of the 365 GTB/4 made its debut at the 1969 Frankfurt Motor Show, a year after the coupe’s introduction. It was received enthusiastically by the public and trade press alike, retaining the mechanical features and performance of the coupé with a design that remains striking today. The GTS/4 delivered identical performance to the closed car, 174 mph from a 352-horsepower V12, while offering the visceral experience of open-air motoring.
This rarity created an authentication crisis. The value differential between authentic GTS/4 spyders (commanding $1.5-3 million) and GTB/4 coupes ($500,000-900,000) incentivized conversions. An estimated 140+ coupes were converted to spyder replicas during the 1980s-2000s, meaning more fake GTS/4s may exist than authentic factory examples.
Authentication is everything for the 365 GTS/4. The difference between a documented factory spyder and a converted coupe represents a $500,000-800,000 value gap. The 365Ferrari registry plays a critical role in protecting buyers and sellers, tracking the 122 known authentic examples and documenting conversions to prevent fraud.
Ferrari 365 GTS/4 Daytona Spider Quick Facts
Production: Only 122 spyders (1969-1973)
Serial Range: SN12851-SN17073Engine: 4.4L Colombo V12, 4-cam, 352 hp
Top Speed: 174 mph (identical to coupe)
Rarity: 1 GTS/4 for every 10 GTB/4 coupes
Authentication: Critical (many fake conversions exist)
View our Complete Ferrari 365 Model Lineup: All 9 Variants
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The Ferrari 365 GTS/4 registry includes verified chassis records, historical documentation, and ownership-level research maintained for accuracy and discretion.
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