- CarDekho Experts
- on 17 Apr 2020
The best engine oil for Tata Zest is the shell Helix 5W-40 which is the fully synthetic if it is a diesel engines and for petrol engines shell Helix 10W-40. Moreover, for the confirmation, we'd suggest you walk into the nearest authorized service centre as they will be the better person to assist you. You can click on the following link to see the details of the nearest service centre and selecting your city accordingly - Service centre