Hi New Guy. There are two things that you might also consider:
Firstly, while you say that your government will pay to transport the vehicle, will they pay the charges to register it in Greece? If the vehicle is going to stay in Greece for more than six months then this is a legal requirement. Typically a customs officer will decide what the vehicle would cost to buy in Greece. It doesn’t matter what it actually costs in California, if it is not a model that is available in Greece he will make an arbitrary assessment. For a large engined vehicle, this could be upwards of €50,000. Again for a large engined vehicle he could then apply a registration fee of around 80 % of his assessed value, i.e. €40,000. These figures may not be exactly correct but the principle is, i.e. there could be a very hefty registration charge. I think it would be advisable to check this out thoroughly with the Greek embassy/consulate before making the decision to bring your vehicle here. For EU citizens relocating to Greece it is possible to get most of this charge set aside provided they collect all the right documentshttp, see www.livingincrete.net/cartemporaryimport.html
. I am not sure if this applies to US citizens. Also you may get some exemptions as military personnel but again it is important to check.
Secondly you should investigate the income tax situation. All vehicles in Greece have a nominal horsepower related to their engine size that appears on the registration document. This will be the case if you bring your own vehicle and register it in Greece or buy one here. It is nothing to do with the real horsepower. For engines over 2 litres the nominal horsepower is used to allocate you an assumed income. The bigger the nominal horsepower the bigger the assumed income. If your declared income is more than the assumed income nothing happens. If, however, your declared income is less than the assumed income then you are taxed on the basis of the assumed income. As military personnel working for a foreign government it is possible that you are not liable to Greek income tax but again it would be worth checking. I am not sure where a V8 Chevrolet truck would appear on this scale but if I, for example, owned a vehicle rated as 28 nominal horsepower or higher I would be allocated an assumed income of over €100,000. I would then be taxed as though I earned over €100,000 per year even if my actual income was zero.
Not related specifically to the car question, but an interesting point for those of you not resident in Greece for tax purposes but staying here for long periods. If you are assessed as having an assumed income, e.g. because you have a swimming pool, boat or larger engined car, I believe that if you can produce pink slips at least equivalent to the assumed income then you will not pay any tax. I’m not 100 % sure of this but I think it is correct. It would at least be worth checking with your accountant if you are in this situation. Obviously this would only work if you intended to spend that amount of money in the period that you were here although you could take some of it back in cash, bearing in mind any money laundering regulations.