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

Citroën Cactus concept

Citroën has revealed its new Cactus concept, designed to preview the future of the carmaker's C-line. The Cactus concept is the result of a program that began with the debut of the C-Cactus concept at the 2007 Frankfurt motor show. The C-Cactus was designed to find out what motorists expect from cars and which equipment and features are considered the most important.

Men 'twice as likely to fall asleep while driving'

MEN ARE more than twice as likely to fall asleep at wheel while driving and almost half (45%) admit to having experienced 'warning nods' while driving. One in 14 drivers surveyed by safety charity Brake said they had actually fallen asleep when driving, while 45% of men said they had continued to drive despite their head nodding through tiredness. For women, the proportion that admitted driving while sleepy was 22%.

BMW reveals ferocious new M3 and M4

IF YOU’RE no fan of Top Gear-style wheel-spinning, tyre-smoking oversteer, then it’s probably best to look away now, because BMW has unveiled the new M3 and M4. Essentially the same car underneath, the main differences come in the number of doors and the suspension settings, with the M3 built as a four-door, slightly more forgiving saloon and the M4 as a harder-edged two-door coupe. But both will go very sideways, if that’s the sort of thing that revs your engine, thanks to a shared 425bhp six-cylinder engine that sends all that juicy power to the rear wheels.