Camping with 2 to draw, which towing vehicle to take???

Hello, have a question, have a camping with 2000kg z.GG. , actual weight but are about 1800kg (according to Libra), which towing vehicle I could take. But should be a small bus or bulli (box car), should be cheap, but not immediately as a big bus like a sprinter or something, have all a trailer load of 2to.??????? I mean Vito, Ducato, crafter, t3, t4, t5 and as they all are called, because at the car exchanges you can look for so many criteria, BUT after ke Annex load……………………..lg