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Video: Adrian van Hooydonk on the BMW 4-Series Coupe concept

BMW's Director of Design Adrian van Hooydonk explains the design strategy behind the 4-Series Coupe concept's design in a video interview filmed at the car's reveal at the Munich Design Night. He talks us through how the design team played with the wheelbase length to create new shapes and convey a sense of "elegance and power". Check out the full story and gallery of the BMW 4-Series Coupe concept for more information on the car that will replace the 3 Series coupe.

Lexus IS (2013) more details of new 3-series rival

Lexus has pulled the cloth back on the all-new Lexus IS at the 2013 Detroit motor show, and announced more details of its new hybrid 3-series rival. This will be the first hybrid Lexus IS, and UK sales will start in summer 2013.  What do we know about the new hybrid Lexus IS?  The IS300h combines an electric motor with a 2.5-litre four-cylinder petrol engine. The torque output is yet to be confirmed, but there's 217bhp and Lexus is aiming for a sub-100g/km CO2 output and fuel consumption of at least 65mpg. Figures like that are likely to grab the attention of fleet managers, as Lexus hopes to close the gap on rivals like the BMW 3-series, Mercedes C-class and Audi A4.  There's a non-hybrid model too, but this IS250 will be powered by a 204bhp 2.5-litre V6 petrol engine. It won't be a fleet favourite.  The IS250h has a six-speed automatic transmission, the IS300h has a CVT gearbox, and both cars are rear-wheel drive.

Chris Evans’ CarFest North. Just as big as CarFest South

Chris Evans’ second petrolhead extravaganza – CarFest North at Cholmondeley Castle – has been as big a success as CarFest South. It may be a new petrolhead show on the calendar, but Chris Evans’ CarFest Shows have been a real success, not just for visitors but for the BBC’s Children in Need charity. This last weekend saw CarFest North try and follow in the footsteps of last month’s CarFest South, which it appears to have done in style, pushing the amount raised for Children in Need up to £800k from both CarFest events.