Beck/arnley 176-1043 Glow Plug on 2040-parts.com

The bestselling new cars in Britain

September is the biggest month of the year for new car sales in Britain: car manufacturers say it’s the most important month to get right and a good September performance is thus something of a bellwether test. The UK trade body the SMMT has just released new car registration data for September 2013, which enables us to get a picture of the state of the nation’s new car sales. And the news remains glowing.

Driven: Volkswagen Golf Mk7

Walking up to the seventh-generation VW Golf, redesigned flip key in hand, you're in no doubt that this is a) new or – perhaps more importantly – b) a Golf. It's the "200 meter test" lead exterior designer, Andreas Mindt tells us and, while we're suspicious of the idea of self-conscious ‘iconic design', you have to concede he's right. In fact the Mk7 Golf's pared-back graphics and a return to a true two-box proportion create a more accurate vision of what we imagine when we think ‘Volkswagen Golf' than either of its two most recent predecessors.

Smaller Mercedes SLS confirmed, and with front-mounted V8 too

Baby Mercedes SLS AMG - or at least how it could have looked if mid-engined We’ve believed for some time that Mercedes were planning a smaller version of the SLS, but so far there’s been no official word. But that’s now changed, with AMG’s Christoph Jung telling AutoExpress that Mercedes and AMG are currently working on a smaller SLS, to go head-to-head with cars like the Porsche 911 and Audi R8. Interestingly, we’d thought that Mercedes would go the route of a mid-engined two-seater for the baby SLS, and that it would probably get a turbo V6. But it would appear not.