The outright dominance of this year's Mercedes Formula 1 car has made it difficult to bet against when it comes to taking grand prix victories in 2019.
But there have been times in F1's history where teams have produced a disappointing title challenger, yet have still managed to steal a surprise win – whether through good luck or circumstance.
We count down what we consider to be the top 10 worst F1 cars ever to have won a grand prix, from Sebastian Vettel's 2008 first taste of victory in the STR03 to Jim Clark's heroics in the Lotus 43 and a variety in between.
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