In a strategic pivot, Tata Motors now fully controls the Fiat 2.0L Multijet engine. That opens the door to a Tata SUV diesel upgrade tailored to new power demands. Soon, you will see distinct Harrier/Safari engine specs across different trims. This shift could redefine the battle for the best diesel SUV 2025.
Tata Motors has signed a License Technology Agreement with Stellantis, giving it full rights to develop and modify the Fiat 2.0L Multijet engine for its own use. This deal removes the need for costly approvals from the original licensor and lets Tata react faster to market needs. The licensing covers technical changes, performance enhancements, and regulatory updates without extra fees per recalibration.
Under this new autonomy, Tata can recalibrate the ECU in-house to unlock a spectrum of power and torque options. The stock 2.0L mill delivers around 168 bhp and 350 Nm of torque. With independent control, Tata aims to push output up to 180 bhp and 400 Nm in higher tunes, while offering milder versions for better fuel economy and a gentler torque curve in urban driving.
Diesel SUVs still influence buyers. People who need pulling power or long-haul range, especially. By owning the Fiat 2.0L Multijet engine’s lifecycle, Tata gets an edge over rivals who source or outsource their diesel mills.
Flexible tuning means you could pick an entry-level Safari that sips diesel gently or a Harrier flagship that hauls with gusto. These options could tip the scales in Tata’s favor as consumers hunt for the best diesel SUV 2025.
Tata’s engineering teams are already gearing up to roll out the first in-house tunes in line with upcoming model refreshes. The Harrier and Safari facelifts due in early 2026 will likely showcase the new power profiles. Regulatory deadlines for stricter emission norms will coincide neatly with these launches, ensuring compliance with BS6.2 standards and beyond without delay.
You will see better throttle response when you merge onto highways. Fuel efficiency could improve by a small margin in low-output tunes. Service costs may dip as Tata no longer incurs steep licensing fees on each update. And worst-case, if your driving style never demands peak performance, you can pick a more relaxed engine tune and still enjoy the Harrier/Safari ride.
This full-rights deal over the Fiat 2.0L Multijet engine marks a clear step toward a more versatile SUV diesel line-up for Tata. It blends the reliability of a proven mill with the freedom to innovate, giving buyers real-world choices in power, efficiency, and compliance.
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