The phrase "end variant" refers to the different outcomes or versions that are possible at the end of a situation or process. It suggests that there are different options or possibilities for how something can conclude. Full definition
The high end variants of the model will also sport dynamic chassis control with progressive steering for better control on the car. (nashvillechatterclass.com)
You also get speed sensing auto door locks and the top end variant gets 6 airbags. (cardekho.com)
It also doesn't support expandable storage but the highest end variant does come with 128 GB of space, which should be enough for most people. (androidauthority.com)