Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

The no-show cars: a reader rant on mad concepts

Instigated by Harley Earl at General Motors in the late 30s with the quaintly named Buick Y-Job, show cars, or concept cars, were presented to an excited public eager for new things. As the world recovered from a depression and then a war, these vehicles pointed to a better future that many people believed in, including the people who produced them. And, although many of the concept cars of the 50s, with their Jetsons plexiglass roofs and notional nuclear powered engines seem ludicrous now, in their time they weren’t that cynical.

Citroen C4 Picasso

Citroen has released pictures of their new midi-MPV, the C4 Picasso, which will make its debut in Paris next month. The design mixes C4 hatchback and the C-AirLounge concept with broken lines and full surfaces that have come to define contemporary Citroens. A total glass area of 6.4sqm (including optional sunroof) promises excellent visibility from what is claimed to be class-leading interior space.

Win a Seiko Sportura watch worth £395!

For a decade, Seiko’s Sportura range has acknowledged the link between great timepieces and great cars, with watches inspired by motoring and motorsport. And now you could win one of these fine watches, by answering one simple question: who is the reigning F1 World Champion? Click here to answer the question (it's multiple choice, so it's easy) and enter our competition Like the instrument panel of a sports car, Sportura dials are instantly legible; all have a jet-black background with orange or red hands, and a sapphire crystal with an anti-reflective coating.