The Customs and Excise website now has all the customs information that you will require to import a vehicle into Cyprus from within the EU and third countries.
Details of how to register an imported used vehicle with the Department of Road Transport can be found here in Greek.
I recomend you use Google Translate in Google Chrome to translate the page to your language.
There is a standard registration fee of €150 for most private vehicles.
The article below may be of help.
A Vehicle Test Certificate (MOT – Roadworthiness).
If your vehicle is fitted with a speedometer marked only in miles per hour (MPH), it may have to be replaced by one marked in kilometers per hour (kph).