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

Four-door BMW 4-series Gran Coupe revealed in renderings?

Another day, another upcoming car revealed thanks to a leaked patent filing -- and another BMW model variant to memorize: f30post.com has renderings of what looks to be the four-door BMW 4-series Gran Coupe, originally posted at the Chinese-language site autohome.com.cn. No, your eyes do not deceive you, nor are you going crazy. This is, or at least appears to be, a four-door version of the car that BMW created as the dedicated two-door replacement for the now-discontinued 3-series coupe.

Toyota and GM recall nearly 1.3 million vehicles over airbag issues

Toyota is recalling certain RAV4, Yaris, Highlander, Tacoma, Corolla, and Matrix models in the U.S. market, part of a larger global recall campaign, for an issue that could prevent the airbag from deploying in the event of an accident. General Motors is recalling Pontiac Vibe vehicles for the same problem; the Vibe is mechanically similar to the Matrix because the two shared a platform and were built at the same plant.

Mercedes S500 Plug-in Hybrid revealed – gets official 94.2mpg

The Mercedes S500 Plug-in Hybrid (pictured) has been revealed There will come a point when legislators wake up and realise that car makers are getting too clever at gaming their CO2 based taxation and change the goal posts. But until then, cars like the new Mercedes S500 Plug in Hybrid – revealed today – are the perfect company buy. That’s because the clever use of a plug-in electric motor coupled with a relatively frugal ICE engine – in the case of the S500 Plug-in a 329bhp 3.0 litre V6 and 80kW electric motor – produce official economy and emissions figures that are really only valid under test conditions but save a big chunk of tax for buyers.