As of now, it would be to early to give a verdict regarding the seat specification of the car. Hence, we would suggest you to wait until the car is revealed.
There are a number of upcoming cars under 12 lakh such as Mahindra TUV 300 Plus, Force Gurkha 2020, Volkswagen Taigun, Skoda Vision IN, etc. Moreover, you may click on the give link and check out all the upcoming cars.
It would be too early to give any verdict as Mahindra XUV Aero is not launched yet and as of now, the brand hasn't revealed the complete details. So, we would request you to wait for its launch.