High-Grade are on the docks.there are two main entrances into the docks-don't take the'main one' take the one near the petrol station at the toll bridge.continue down the road for 30secs and they are in one the left.
I think their web address is
www.highgradeimports.net ,can't be sure though.
You wont get anything for under 10k.and the cars come in with steel wheels. A guy called Fran was selling his Tip GR in burgendy for about 6k a few months ago. good luck.