Tata Sierra breaks records at NATRAX: 29.9 kmpl mileage, 222 kmph speed.

• Tata Sierra achieved a record 29.9 kmpl mileage and 222 kmph top speed in NATRAX tests.
• The 29.9 kmpl mileage was recorded during a certified 12-hour continuous test on November 30, 2025.
• The 222 kmph top speed was achieved on NATRAX's high-speed circuit under expert supervision.
• Tata warns these figures are from controlled tests; customer models will have a top speed electronically limited to 190 kmph.
• The Tata Sierra offers multiple powertrain options, including 1.5-liter Hyperion T-GDi petrol, Revotron NA petrol, and Cryojet diesel engines.

Why It Matters: Tata Sierra's record-breaking performance sets new benchmarks for Indian SUVs.