No you can't...The following response from the DVLA:
The Department of Transport is required to record the details of the registered keeper of all motor vehicles.
The registered keeper should be the person who normally possesses the vehicle and is responsible for its use on public roads. The keeper is the person whom the police and other law enforcement agencies normally wish to contact about the vehicle's use on public roads. The keeper need not necessarily be the driver nor the legal owner of the vehicle.
The vehicle register does not attempt to record ownership and DVLA is not concerned with issues of ownership. Possession of a V5C Registration Certificate is not proof of ownership. This is clearly recorded on the V5C itself.
The document records the details of the person who has told us that they are the keeper of the vehicle. If we have reason to doubt the validity of any application for a V5C Registration Certificate, we will conduct the necessary enquiries before we issue it.
In terms of law the finance company remains the legal owner of the vehicle as the last payment has not been made with regard to the vehicle.
I can only suggest that you get some legal representation with regard to these matters and you would be able to get further advice from them.
I am sorry, the Agency does not become involved in disputes concerning legal ownership.
I hope that this information has clarified matters for you.