If your driving is less than 50km a day than petrol engines proves to be a good option and if the driving is more than 50km than diesel engine is a good option. Moreover, the fuel efficiency and performance of a diesel engine is more as compared to the petrol engine. The petrol engine has long term durability as compared with the diesel engine. Moreover, we'd suggest taking the test ride so that you can understand the difference.
As of now, there's no official update from the brand's end. Stay tuned for further updates. Moreover, Mahindra trademarked the XUV900, XUV400 and XUV100, along with the XUV700 in April 2021. The XUV400 could be positioned below the new-generation XUV500.Read more -Mahindra Trademarks Multiple SUVs For The XUV Series,