assuming you are pakistani with a Spainish passport will to have an adventure of road travel to home town. I have few questions:
- what is you travel skill expertise across europe.
- do you have basic knowledge of how to fix cars ?
- have you consulted with respective country Turkey / Iran / Pakistan embassies for by road travel requirement, road & safety condition of countries on your route plan.
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2ndly the picture of a ford mondeo state car you posted check out for its spare support shops across the route in case of major break down n parts needed out of europe Ford is less popular car and arrangement of parts may take days / weeks Plus - shipping handling & local taxes will be extra.
3rd if you believe you can sell your ford Mondeo station wagon 2004 (state car) in Pakistan at price of your current insurance ! You have been totally misguided. The amount you may pay for duty & taxes will be twice the current price of the car in your resident country.
So if at all you are really interested in a adventure keeping all risk in mind, dispose off this vehicle buy a preowned japanese Nissan or a Toyota Station wagon of model 2010 get it certified & fit for long-hual from dealership complete your paper work before departing your country. a minimum of 21 days shall be time frame for travel without stress & rush, to your native place in Pakistan, unless you have to put-off some fire or catch a train from station in Lahore.
Once you cross turkey drive only during day light hours break journey at or before sunset in only well populated areas. When in Pakistan across chaman break journey in Quetta Town only. Visit the bus station n check for early morning bus departure times to different cities. Check for route plan & leave Quetta town 15 minutes ahead of any such buses so you know there are buses in your wake and in case of any trouble you have means to manage reach safe place.
Once in Iran then upto Lahore Travel only during day light. -
for 2010 japanese vehicle - you can sell the car after payment of duty & taxes and transfer to anyone in family and fly back to country you adopted as home.