If the car is going to be used a lot, then it becomes economical to use more durable parts. For example components could be used that last four times longer w

If the car is going to be used a lot, then it becomes economical to use more durable parts. For example components could be used that last four times longer while only costing twice as much. This is pretty much economies of scale, and it will be far easier for a company like Uber to get them, than individuals.