The only standout feature of this car is that it doesn't come in the usual white or black colors.
So even if we assume that their true range is only 75% of their claimed 800km, it will be in the top 3 longest range consumer EVs.
A Model 3 has a battery no larger than 83kWh. A BMW i4 has a battery no larger than 84kWh. This car has a 101kWh battery. Considering the cars appear roughly approximately equally aerodynamic, it seems reasonable to expect the car with the 20% larger battery to be able to go about 20% further.