Automotive industry in Chennai
is nicknamed the "Detroit of Asia" due to the presence of major automobile manufacturing units and allied industries around the city.
A number of motor companies, including BMW, Royal Enfield, Hyundai, Renault-Nissan, Citroen, Caparo Group, Komatsu, Caterpillar, Ashok Leyland, and TVS, have facilities along the 60 km automotive corridor. Oragadam is regarded as the epicenter of this corridor, which contains the National Automobile Testing and R&D Infrastructure Project. The corridor is served by three major ports, Chennai Port, Kattupalli Shipyard and Kamarajar Port.
The 4-wheeler vehicles in Chennai is the base of 30% of India's automobile industry and 35% of its automobile component industry. Besides the commercial industry, the Heavy Vehicles Factory has been established in Avadi to produce military related vehicles. Avadi also has the Combat Vehicles [Research and Development Establishment], with an engine-testing facility.
Automotive manufacturers
Tyre manufacturers
Auto-components manufacturers
The following auto component companies have their manufacturing plants in and around Chennai:- Avalon Technologies
- Ashley Alteams
- Bavina Industries
- Bharat Forge
- BorgWarner
- Brakes India
- Brembo
- Caterpillar
- Aptiv
- Ennore Foundries
- Forvia
- Federal-Mogul
- Design Edge Technologies
- Hidromas
- India Pistons
- ILJIN Automotives
- Iochpe Maxion
- JKM Daerim
- Hella
- Hyundai WIA
- Hyundai Mobis
- Korea Fuel Tech
- Lear Corporation
- Leo Primecomp
- Machino
- Mahindra Accelo Ltd.
- HL Mando
- Samvardhana Motherson
- Rane
- SEW Eurodrive
- Simpson & Co.
- Sona Comstar
- TVS Holdings
- ZF Friedrichshafen
- Takata
- Tube Investments of India Limited
- Tube Products of India
- TVS Motor Company
- Valeo
- Visteon
- Wheels India
- YAPP Automotive Systems
Automotive Corridor
Tyre manufacturing
Major tyre manufacturing companies alone have committed investments around $4 billion in Tamil Nadu of which 90% has been invested in the Automotive Corridor. A number of tyre manufacturing companies have set up factories in this corridor and are as follows.| Company | Plant Locations | Investments |
| Alliance Tire Company | Gangaikondan | |
| Apollo Tyres | Oragadam | 2600 |
| Bridgestone | Thervoy Kandigai | |
| CEAT | Sriperumbudur | |
| Dunlop | Ambattur | |
| JK Tyres | Sriperumbudur | 1600 |
| Michelin | Thervoy Kandigai | 11000 |
| MRF | Arakkonam, Tiruvottiyur | 1400 |