V5C Signing Issue - Samuel

I saw car in Gillingham, Kent, private seller. He looks like 18( i think). I checked the registration form and it is showing that the car address is from the South Yorkshire. He told me that it is his friends car. I immediately done HPI check and it is showing that the no record of stolen or write off. I checked the Registration form and dealer / trader form missing from V5C. I asked him to change in his name and sell to me. But he is telling he want to sell the car as a single owner from new.
1. Can i buy car from him, he is not a trader but he is claiming that he can signin the V5C as a registered owner.
2. Can i do buying with 18 years guy?
3. Any problem in future that original owner claims that his car is stolen(becoz he didnt signin in V5C)?

V5C Signing Issue - Armstrong Sid
Why bother with the hassle? You'll regret it. Ignore him and go somewhere else. There are other cars in the world which don't have that kind of problem.
V5C Signing Issue - bathtub tom

I second AS.

Daughter's boy-friend asked me to prep (replace broken door mirror, rear wiper, remove layer of bird poo and similar thickness of crud from inside) and sell his car. I got him to register it at my address first. At least that gave the buyer some confidence.

That reminds me, he promised to buy me a meal at a restaurant of my choice.