If the whyte is just over budget go and haggle bikes are currently being discounted ive seen it in my lbs go for the thtoat and make them an offer you might be surprised👍👍 they can only say know nowt to lose.
Great advice to buy local build up a good relationship with your lbs can be vital plenty of bikes for 6k look at a giant too either trance or reign focus and also a specialized now might be in range
Coming off riding a shimano e8000 and bosch gen 4 my yamaha on my reign is as quiet really happy with mine apart from the auto mode being a bit hit n miss on assistance level
I made a couple of cheap wooden stands for the job. 1 for the front wheel and a block of wood to sit under the motor to lift the back wheel off the ground to sllow the pedals to turn cost less than a fiver.