Well, it's an achievement.

A motorist in Belgium has been fined for speeding in a Vauxhall Astra. Now, that in itself isn't worthy of a story. The speed which he was caught doing, however, is.

The speed the alleged offender was driving at when papped by the Belgian authorities was a slightly dizzying 432mph. Four hundred and thirty two. Now, we've spoke to Vauxhall's press fleet manager, and he hasn't got an Astra capable of doing half the speed of sound for us to test, unfortunately. So how did one bloke in Belgian border town of Quiévrain manage it?

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Well, according to reports, it was down to a coding error. Does this mean the unnamed driver has got away scott-free? Well, no. While his clocked speed – which was generously rounded down – was clearly nonsense, his actual speed of 37mph was still above the 31mph limit for the road.

The motorist send his letter back to the Belgian transport authorities demanding an explanation, but it's unlikely he'll have his fine completely written off.

The whole situation has drawn the ire of people in nearby France where the speed limit on two-way roads has been cut from 56mph to 50mph in one of new president Emmanuel Macron's more unpopular moves since he was elected last year.

Had the unbelievable speed actually been achieved by the Astra, it would've been close to the record for the fastest ever wheel-driven, piston-engined car. The current record sits at just over 439mph.

The overall land speed record holder is the ThrustSSC, which hit 763.035mph over a mile in October 1997. The twin turbofan jet-powered car became the first car to break the sound barrier during its attempt. 

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Gallery: 2017 Vauxhall Astra