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The amazing McLaren F1 replica made by a Top Gear fan for £20,000

Barcroft Media A Top Gear fan has completed the ultimate motor challenge - building a £5 million supercar using scrap and spare parts. Amateur mechanic Jacek Mazur, 48, made his own replica McLaren F1 for just £20,000 - 250 times cheaper than the real thing. He even paid tribute to his favourite TV show by building a tiny rear seat for Top Gear co-host Richard Hammond.

Lotus Exige S (2011) at Frankfurt motor show

This is the new Lotus Exige S, just unveiled by CEO Dany Bahar at the 2011 Frankfurt motor show. And it might not be the sort of Lotus Exige you were expecting: this new S model now runs the supercharged 3.5-litre V6 from the Evora S, meaning it not only boasts 35% more power than before, but it is also 191kg heavier. Lotus Exige S: the spec Lotus’s long-held mantra has been ‘add lightness’, but Bahar’s future plans call for models to rival the 458, the California and the Rapide, essentially bigger cars with bigger engines.

Buick duplicates toughest roads in the world for virtual testing

Buick is cloning real-world roads so they can be used to virtual test cars. Engineers use cameras and a laser to scan the road surface and to create a three-dimensional virtual copy. Buick has used this system to replicate the road leading to the Cerro del Cubilete shrine in Mexico.