I would not buy that car!
I had to agree with others that it is depetive advertisement. Batteries do NOT last longer than 5 years, unless your really lucky to get longer than that. If you think you can sell before 5 years, trust me depreciation will bite you big time. Why? Because the buyer will be aware of replaccement cost of the batteries and ask you to decrease your asking price.
These batteries are NOT cheap, probably over $5k to replace it, and where to dispose them, they got chemical and can impact the environment.
Finally, most of advertisement is just full of it, they don't tell you the dark truth and I have seen enough. Want proof, look at Prius, they got higher mileage but the catch is it is only in city, but not highway and they are pricey.
I would only agree to Hydrogen Fuel Cell. Plenty of Hydrogen on this Earth.