One-offs, pre-production test units, evaluation vehicles, technology evaluation studies and test mules.
Prototypes
Audi A5 Lightweight Coupé Prototype 2.5 TFSI “The Beast” (2010)
The 2010 Audi A5 2.5T quattro Lightweight Test Mule, internally nicknamed “The Beast,” was an experimental prototype developed by quattro GmbH (now Audi Sport GmbH) to evaluate advanced lightweight construction techniques and high-performance drivetrain configurations.
Audi A5 Lightweight Coupé Prototype (2009)
The Audi A5 Lightweight Coupe Prototype was an experimental research vehicle built by Audi AG in 2009 to explore the use of lightweight construction in a mid-size coupe.
Audi TT Coupé RS4 (2001)
The Audi TT 2.7T Prototype is a one-off high-performance concept car engineered by quattro GmbH (now Audi Sport GmbH) in 2001.
Audi A2 “Ringo” Prototype (1995)
In the early 1990s, Volkswagen Group set a corporate objective to design and produce a passenger car that met ambitious fuel-efficiency targets through the application of lightweight construction and advanced aerodynamics.
Audi RS2 Sedan Prototype (B4, 1994)
What: Audi RS2 Limousine PrototypeEra: Audi postwar era (early RS development)Model Family: 80 / RS2Market / Zone(s): Internal development (Germany)Year Produced: June 1994Registration...
RS4 Sedan Prototype (1993)
Within this haze, an unusual model quietly surfaced in the early 1990s—the Audi 100 RS4. Despite sharing its badge with the later and far better-known B5-generation RS 4 Avant, this prototype was entirely different.
Audi V8 Avant 3.6 prototype (1989)
Built at the insistence of Ferdinand Piëch as a fully functional, road-approved family car for his wife Ursula Piëch, it remains one of the most unusual and storied vehicles ever produced by the brand.
Audi A0 Coupé Design Proposal (1973/1975)
Conceived as a potential sporty derivative of the A0 front-wheel-drive platform shared with the Audi 50 and Volkswagen Polo (Mk1), the project advanced beyond the sketch and model stages to at least one full-scale prototype.
Porsche 928 Development Mule (1973-1975)
The elegant fastback coupe from Audi’s first-generation C1 platform provided a convenient disguise for Porsche’s experimental drivetrain and suspension systems.

