From Motor1 · Adrian Padeanu · · 1m 20s
Alfa Romeo Giulia Quadrifoglio Convertible Concept
Italian coachbuilder Castagna Milano designs Alfa Romeo Giulia Quadrifoglio as two-seat convertible with French-inspired front end.
In brief
Italian coachbuilder Castagna Milano designs Alfa Romeo Giulia Quadrifoglio as two-seat convertible with French-inspired front end. Castagna Milano plans a carbon-fiber Alfa Romeo Giulia Quadrifoglio convertible with Peugeot-like styling, targeting 1,420kg weight and 623 liters of luggage space. Originally reported by…
Quick answers
- Why Not Build It?
- Castagna Milano needs a customer with deep pockets to commission the one-off project before it becomes reality.
- What is the key takeaway from Alfa Romeo Giulia Quadrifoglio Convertible Concept?
- Castagna Milano plans a carbon-fiber Alfa Romeo Giulia Quadrifoglio convertible with Peugeot-like styling, targeting 1,420kg weight and 623 liters of luggage space.
Alfa Romeo Giulia Quadrifoglio Convertible
Italian coachbuilder Castagna Milano plans to transform Alfa Romeo Giulia Quadrifoglio into a two-seat convertible with carbon-fiber bodywork.
Peugeot-Like Front End
The proposed front end features fang-like daytime running lights resembling Peugeot's styling with angular Y-shaped elements.
Carbon Fiber Bodywork

Castagna Milano envisions extensive carbon-fiber bodywork with a dramatically elongated hood and lower position.
Cabin and Luggage Space
The convertible would offer wood trim, leather, new glass, and 623 liters of luggage space with fabric top folded.
Weight and Engine
The proposed convertible targets 1,420 kilograms weight with Alfa Romeo's 2.9-liter twin-turbo V6 engine.
Cruising Efficiency

Castagna Milano promises a longer final-drive ratio for improved cruising efficiency without engine changes.
Digital Design Only
The Giulia Quadrifoglio cabriolet exists only as a digital design proposal with no physical car built yet.
Why Not Build It?
Castagna Milano needs a customer with deep pockets to commission the one-off project before it becomes reality.
The one thing
Castagna Milano plans a carbon-fiber Alfa Romeo Giulia Quadrifoglio convertible with Peugeot-like styling, targeting 1,420kg weight and 623 liters of luggage space.





