The e-rickshaws in India come with 1kW motors and have a curb weight of 350KG and regularly do 70-80kms using 48V/100Ah Lead acid batteries at 20-30kmph Will it be safe to assume that if we replace the 1kW motor with 5kW, we should get the same range if we drive at similar speeds and everything...

Hello I go and are gathering bits for an EV conversion. I have recently got fingers in this motor, see picture. I have an old VW Polo 1994 1.3. weight 750kg. The question is if I can use this motor. there is power enough. I have of course also got the driver for the engine so it hangs...