A group of European documentary film-makers will soon set out from Perth to cross the country in what could be the world's most notoriously unreliable car - a Communist-era East German Trabant.

Their Top-Gear style antics will be captured in a documentary film to be shown across eastern and central Europe.

The Czech, Polish and Slovakian car enthusiasts have already completed epic road adventures across central Asia, South America and South Africa and are now preparing to conquer 20,000 kilometres of harsh conditions in Australia and South East Asia.

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What makes their transcontinental treks remarkable is that they are completed in a Soviet-era Trabants, an East German vehicle many consider to be the worst car ever made.

The Trabant is the cheapest car in Eastern Europe and the whole body of the car is made from plastic so it cannot rust.

The team's Trabants in Africa in 2009. ( Supplied: Transtrabant )

The team's leader, Czech Dan Priban said the Trabant was is the laughing stock of the car world - but that is precisely why his team loved it.

"It's a very small car - it has a two-stroke engine. It sounds like old motorbike so it's very, very weak. It's [the] most horrific car in Eastern Europe and we love it!"

The team conducting roadside repairs on the Trabant in Africa. ( Supplied: Transtrabant )

Since 2007 the antics of Priban and his team have featured in several documentaries, gaining them a cult following in central and eastern Europe.

"In South America we got a deal with Czech television and made a TV series —some compare [it] with Top Gear but [with a] very, very, very low budget," Priban said.

"People in Slovakia love it, and some people in Poland. People in Germany know about us. In our small countries people like it and people love it."

Over the next four months Priban and his drivers hope to drive their two yellow Trabants, a Polish Maluch and some motorbikes 20,000 kms across Australia, East Timor, Indonesia, Malaysia, Thailand, Laos and Cambodia.

However the team have already hit one hurdle ahead of their departure from Perth — Australian customs and quarantine.

The Trabant travelling through South America in 2014. ( Supplied: Transtrabant )

"There is a lot [of] bureaucracy. We [have shipped] cars to Africa, shipped cars to South America and every time there's a problem in the port. But in Australia everything [is] very, very, very slow," Priban said.

The drivers hope to eventually depart Perth in the next week, driving across the country to Sydney and then up to Darwin.

Mr Priban is already making a preemptive plea to Australians for early roadside assistance.

"When somebody in Australia will see the funny yellow cars, stuck in the middle of the road please help us —because we can get stuck anywhere."