The Wikipedia page on East German jokes has a few Trabant jokes.

• What’s the best feature of a Trabant? – There’s a heater at the back to keep your hands warm when you’re pushing it.

• A new Trabi has been launched with two exhaust pipes – so you can use it as a wheelbarrow.

• How do you double the value of a Trabant? – Fill it with gas.

• The back page of the Trabant manual contains the local bus schedule.

• Four men were seen carrying a Trabant. Somebody asks them why? Was it broken? They reply: “No, nothing wrong with it, we’re just in a hurry.”

• How do you catch a Trabi? – Place a piece of chewing gum on the road. (Allusion to weak engine.)