Jaguar XJ Sentinel (2010) first details

Jaguar has revealed details of a new armoured version of its luxury car – the XJ Sentinel. Following on from the sporty XJ75 Platinum concept unveiled earlier this week, the Sentinel is a very different kind of XJ, tailored as it is to the likes of security organisations and governments. Or, let's face it, downright dodgy types likely to have a price on their head.

BMW Alpina D3 BiTurbo – a great diesel

The BMW Alpina D3 BiTurbo - a brilliant, quick and economical everyday drive Alpina has turned out some stunning versions of the BMW range over the years (and some not so stunning – their 8 Series springs to mind) and they fill a gap that is either not profitable in small volume for BMW or, in some cases, a hole that BMW hasn’t plugged. And this one is a good hole to fill with the BMW Alpina D3 Bi-Turbo, a 3 Series diesel with the heart of a hot hatch. Alpina has taken the engine out of the 1 Series 123d and given it a boost to 240bhp, in the process dropping the 0-60 time to a very creditable 6.9 seconds But it’s not the sprint that count,  but the way this peppy diesel unit delivers it.

Design boss plans Hyundai's next big splash

Every two weeks, Christopher Chapman makes the rounds at Hyundai's Irvine, Calif., design center to see what his team has in the "corner stack." The "stack" is a pile of index card-sized sketches on the corner of every designer's desk. For Chapman, Hyundai's U.S. design boss, it's a way to encourage his designers to keep ideas flowing.