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

RS and Dusk sedan join Chevy's Sonic lineup

The Chevy Sonic RS sedan and the Sonic Dusk sedan will join the bow tie's lineup of small city commuter cars next spring. Both start at just more than $20,000. The Sonic RS sedan will take the styling cues of the RS hatchback, including the deep air dam in the front fascia, aluminum sport pedals, flat-bottom steering wheel and leather seats with red accents.

Video: The Making of the Mercedes-Benz AMG Vision Gran Turismo

In a new video exploring the design of the AMG Vision Gran Turismo, Mercedes-Benz designers speak of their excitement at designing without restrictions. The video, which features figures such as design vice-president Gorden Wagener, traces the car's development from the sketch phase to the final model – unveiled at last month's Los Angeles auto show. Steffen Köhl, director advanced design global, says, "We had the mix between the very far away showcar design – free and pure emotion – and a car that reacts realistically in the game." "The most stunning aspect of this car is the proportion.

Caterham Seven 165 prototype stars at the 2013 Frankfurt Motor Show

2013 marks 40 years of Caterham Cars since what was originally a Lotus dealership took over production of the Series 4 Lotus Seven in 1973. Now, at Frankfurt 2013, the British manufacturer is debuting its newest model – the Seven 165 prototype – set to become the entry-level version and the lightest, most efficient Caterham ever when it goes on sale in the UK in 2014. We like the fact that you will be able to buy a Caterham for less than £17,000 and still be able to embarrass much more expensive machinery when the going gets twisty.