Under revised MIDC norms, official EV range estimates will cover both city and highway driving cycles.

Tata Motors has revised the range estimates for its electric vehicle (EV) lineup, following new testing parameters introduced by the Ministry of Road Transport and Highways (MoRTH). With the most extensive EV portfolio in India, including popular models like the Tiago EV, Tigor EV, Punch EV, Nexon EV, and Curvv EV, Tata has adapted to the updated testing standards, which now take into account a broader range of driving conditions.

For latest Car News, Updates, and Offers, Join Our Whatsapp Group!

What’s Changed in the Range Testing?

Previously, automakers based their range estimates primarily on city or urban driving cycles. However, the new MoRTH guidelines mandate that carmakers test and declare EV range figures that include both urban and extra-urban (highway) cycles.

As a result, the MIDC (Modified Indian Driving Cycle) range now factors in highway driving. With the revised standards, the average test speed has increased from 19 kmph to 31 kmph, and the maximum speed has jumped from 50 kmph to 90 kmph. These changes have led to a noticeable reduction in the range of electric vehicles, particularly on highways where higher speeds significantly impact battery efficiency.

Tata’s Real-World Range: The C75 Test Cycle

In addition to the new MIDC figures, Tata Motors has introduced its own C75 range test, which simulates real-world driving conditions. Tata claims that 75% of its EV owners can expect to achieve the range figures derived from this test. Unlike the MIDC cycle, which tests at lower speeds, Tata’s C75 cycle uses an average speed of 40 km/h and a top speed of 120 kmph.

The C75 test also takes into account more realistic conditions, such as running the air conditioning, carrying heavier loads, and driving in a wider temperature range. In contrast, the MIDC test cycle runs with the AC on, a load of 150 kg, and temperature variance between 20°C and 30°C.

Revised Range Figures for Tata Electric Vehicles
Due to these updates, Tata Motors’ EV range estimates have been adjusted. Here’s a breakdown of the latest figures:

• Tata Curvv EV 55kWh:
  • MIDC Certified Range: 502 km (previously 585 km)
  • C75 Test Range: 400-425 km
• Tata Curvv EV 45kWh:
  • MIDC Certified Range: 430 km (previously 502 km)
  • C75 Test Range: 330-350 km
• Tata Nexon EV 40.5kWh:
  • MIDC Certified Range: 390 km
• Tata Nexon EV 30kWh:
  • MIDC Certified Range: 275 km
• Tata Punch EV 35kWh:
  • MIDC Certified Range: 365 km (previously 421 km)
• Tata Punch EV 25kWh:
  • MIDC Certified Range: 265 km (previously 315 km)
• Tata Tiago EV:
  • MIDC Certified Range: 275 km

These updated range figures provide a clearer picture of what drivers can expect in real-world conditions, especially when driving on highways or at higher speeds. Tata’s new C75 test cycle ensures a more practical understanding of EV performance, offering more transparency for customers looking to transition to electric mobility.

For latest Car News, Updates, and Offers, Join Our Whatsapp Group!