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Running costs of electric cars vs petrol cars according to size

Arran Cameron
15 year old 7 series BMWs sell for pocket money prices because of the low demand for such cars. Anybody who can afford to run one can probably afford to buy a much younger 7 series. However, its easy to find a buyer who will pay a handsome amount of money for a 15 year old VW Polo in good nick due to the low running costs of this car.


How does the difference in running costs between a large electric car and a small electric car compare with the difference in running costs between a large petrol car and a small petrol car?
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    JoeB: 
     

    Alex Barrett: 

    Slightly off topic here. I know an owner of a hybrid car. He never charges it up at an E.V.  charging point. He says that it just charges itself up when he drives it. Efficiency? Very low.

    Why is the efficiency very low? Our little Yaris hybrid exceeds most cars on the road for efficiency. A little electrical storage overcomes a lot of shortcomings in a conventional ICE car.

    it's far more efficient to plug the hybrid in and charge overnight on cheap electricity than to charge it from the petrol engine as you're driving along. 
    Also means the battery probably spends a lot of its life in a very low state of charge, depending on the battery technology that could reduce the life/capacity of the battery. 

     

    What I'm saying is that the hybrid is far more efficient than 99% of the cars on the road. As to lifespan, Toyota have been doing these for many years, longer than almost anyone else. Adding a small battery to a conventional car gives a significant improvement in efficiency, given that our modern cars spend a lot of time at junctions and inching along in queues.

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    JoeB: 
     

    Alex Barrett: 

    Slightly off topic here. I know an owner of a hybrid car. He never charges it up at an E.V.  charging point. He says that it just charges itself up when he drives it. Efficiency? Very low.

    Why is the efficiency very low? Our little Yaris hybrid exceeds most cars on the road for efficiency. A little electrical storage overcomes a lot of shortcomings in a conventional ICE car.

    it's far more efficient to plug the hybrid in and charge overnight on cheap electricity than to charge it from the petrol engine as you're driving along. 
    Also means the battery probably spends a lot of its life in a very low state of charge, depending on the battery technology that could reduce the life/capacity of the battery. 

     

    What I'm saying is that the hybrid is far more efficient than 99% of the cars on the road. As to lifespan, Toyota have been doing these for many years, longer than almost anyone else. Adding a small battery to a conventional car gives a significant improvement in efficiency, given that our modern cars spend a lot of time at junctions and inching along in queues.

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