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Re: being a gas-powered car: they seem fine in terms of tank size, 11 litres for a prius prime vs 13 litres for a gas corolla from the 2010s. You get better fuel efficiency, too, so your effective range is likely at least as good as a regular gasoline car.

The added complexity / part count is definitely a downside, though.

Edit: er, now I'm not sure about my second statement: https://news.ycombinator.com/item?id=42748610

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Regarding the complexity, I believe Toyota has been ahead of the (hybrid) competition for many years, but a PHEV still has two different systems. Everything that can go bad on a pure EV (battery, electric motors, charging system) is there and even if the ICE part is simpler, it's still something that can break.

With this said, other reports of batteries going bad on old Prius, I haven't read much about them being unreliable, so it should be fine while the car is fairly new.

I think you meant gallons and not litres. At least the Prius prime seems to have a 10.6 gallon tank.

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