How Audi is redefining software development for the “Used Car Platform”
Comsysto Reply built Audi’s “Used Car Platform” and now enhances it with a multi-agent workflow, letting developers focus on progress instead of process.
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The project at a glance
A bespoke multi agent system, founded on years of platform expertise, is unlocking developer capacity for genuine innovation.
The scenario
„Vorsprung durch Technik“ - in software development, too
In today’s automotive industry, software is no longer just a supporting tool; it is now central to value creation. For Audi, “Vorsprung durch Technik” now also means achieving leadership through software excellence. This extends beyond the vehicles themselves to all background digital processes. The “Used Car Platform” is a testament to this. What began as a replacement for manual Excel processes has evolved into a central trading platform featuring live auctions, a B2B marketplace, and AI-powered price predictions.
Over the years, the platform accumulated a deep layer of legacy knowledge – from proprietary business logic and historically grown architecture decisions to a complex landscape of internal and third-party APIs. As the platform's success grew, so did the operational workload for Audi's IT team – not least because every task required navigating this highly specific legacy context and intricate API environment. Tickets, code reviews, and documentation began to dominate daily work, leaving little room for true innovation. Together with Comsysto Reply - the team that helped shape the platform from day one - Audi set out to change that.
The solution
An autonomous agent ecosystem for the entire SDLC
Today, the platform team utilizes a customized multi-agent workflow, developed by Comsysto Reply and built on GitHub Copilot. Rather than functioning as isolated tools, these agents are deeply woven into the entire Software Development Lifecycle (SDLC) – and, crucially, into the platform's unique landscape.
The system’s true power lies in its contextual intelligence. While generic AI assistants know best practices, this system knows this platform. It is fed by a dedicated knowledge base containing years of architecture documentation, historical tickets, API specs, and security guidelines.
Precision in planning
The Pre-Refinement Agent analyzes incoming tickets and automatically enriches user stories with platform-specific technical context, dramatically shortening planning phases.
Accelerating implementation
The Implementation Agent manages code logic creation, freeing developers to focus on the broader architectural vision.
Safeguarding autonomy
The Review & Documentation Agent automates quality checks and documentation, ensuring compliance with Audi’s premium review and security standards.
The approach
Developers as innovators
The key design principle: the agents handle operational tasks so that humans can focus on strategic aspects. But no agent merges code or makes decisions without a developer’s final approval. The ‘human-in-the-loop’ strategy ensures quality and control. At the same time, the system grows alongside the platform, because agents, the knowledge base, and developers together form a learning unit that not only manages the complexity of the Audi ecosystem but actively develops it further.
The result
More than efficiency: A new innovation model for the "Used Car Platform"
As early as 2021, Comsysto Reply introduced chat-based assistance tools for the “Used Car Platfotm”, providing targeted help for individual tasks. The multi-agent system represents the next leap in development: It doesn’t just change individual procedures but transforms how the entire team works and what it can achieve.
After all, increasing developer productivity is not the actual goal; it is the prerequisite. The freed-up capacity flows directly into what makes the platform strong in the long term: new features, more precise machine learning and AI models, and faster responses to market changes. This creates a new innovation model: AI is not a tool that simply takes over tasks, but as a foundation that turns developers into creators.
The Audi Group is one of the most successful manufacturers of automobiles and motorcycles in the premium and luxury segments. With its brands Audi, Bentley, Lamborghini, and Ducati, as well as the China-exclusive sister brand AUDI, the company sets benchmarks in design, technology, and emotional mobility. As part of its corporate strategy, Audi is consistently driving its transformation into a provider of sustainable, connected premium mobility. The goal: Audi aims to offer an all-electric portfolio in all core segments by 2027 and to achieve net carbon neutrality across the company by 2050 at the latest. The year 2026 marks a historic milestone for Audi with its entry into Formula 1 with a dedicated factory team. Headquartered in Ingolstadt, Germany, the company employs more than 87,000 people worldwide and is present in more than 100 markets. Guided by its brand promise "Vorsprung durch Technik," Audi combines innovative strength with a clear focus on customer-centricity and digital connectivity.
Comsysto Reply, specialized in the agile development of customized software solutions for many years, is enabling companies to meet the challenges of digital transformation. Comsysto Reply works in cross-functional product teams with customers, partners and sister companies of the Reply Group and plays a leading role in the application of Lean and Agile Methods, Big Data, Cloud Services, User Experience Research, DevOps and Continuous Delivery.
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