Quick Takeaways
  • All-New Tata Sierra HARMAN connected car technology sets a new benchmark for in-vehicle connectivity and entertainment in India.
  • The launch strengthens the long-standing collaboration between Tata Motors Passenger Vehicles and HARMAN International.
The all-new Tata Sierra has been introduced with a comprehensive suite of connected and entertainment technologies developed by HARMAN International, marking a major expansion of its collaboration with Tata Motors Passenger Vehicles Ltd.. The launch brings advanced digital experiences, connectivity, and premium audio to the revived Sierra nameplate.
At the core of the All-New Tata Sierra HARMAN connected car technology is the Ready Connect telematics control unit, manufactured locally in India. Built on a modular architecture, the system is 5G-ready and designed to transition smoothly from existing 4G networks, supporting future connectivity requirements.
HARMAN Ready Connect Enables Advanced Vehicle Connectivity
The telematics suite powers a wide range of connected car features focused on safety, convenience, and digital services. These capabilities enhance real-world usability while preparing the vehicle for next-generation network upgrades.
Key connected features include:
  • Emergency calling functionality
  • Stolen vehicle tracking
  • Over-the-air software updates
  • High-definition in-cabin content streaming

The system’s local manufacturing enables faster development cycles and tuning for Indian driving environments, aligning with HARMAN’s Make-in-India strategy.
Immersive Infotainment and Driver Assistance Technologies
The Sierra features a Horizon View Display that delivers personalized entertainment options for occupants. The infotainment system supports gaming with external controllers and is enhanced by Dolby Atmos for a richer, multi-dimensional audio experience.
Additional technology features include:
  • Surround View System for enhanced parking visibility
  • Blind-spot monitoring for improved safety
  • Integrated navigation powered by MapmyIndia

These systems combine to offer a balanced mix of entertainment, safety, and navigation support.
Premium JBL Audio System Designed for Indian Automobiles
Audio performance is delivered through a 12-speaker system from JBL, featuring an enclosed subwoofer and an integrated soundbar. HARMAN notes this configuration as a first for an Indian automaker, aimed at delivering a premium listening environment.
The audio system also introduces:
  • Relax Mode for calming audio-visual experiences
  • Silent Mode to selectively mute alerts without disabling core functions

Expanding a Decade-Long Technology Partnership
“With the Sierra, our focus was to create a cabin experience that feels as advanced and intuitive as the world our customers live in,” said Mohan Savarkar, Chief Product Officer at Tata Motors Passenger Vehicles Ltd. “Our collaboration with HARMAN enables us to deliver a future-ready architecture, immersive in-cabin experiences and premium audio.”
The partnership between Tata Motors Passenger Vehicles and HARMAN began over 12 years ago with audio solutions and has since expanded into displays, telematics, and infotainment platforms. The Sierra also provides access to the HARMAN Ready Link Marketplace, enabling in-vehicle Android applications and third-party digital content.
The launch marks the return of the Sierra badge, an iconic name in India’s automotive history, now reintroduced with modern connected car and entertainment technologies tailored for today’s digital-first consumers.
Company Press Release

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