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Brabus tunes Mercedes-Benz CLA 45 AMG to 394 hp

It was only a matter of time before German tuning house Brabus looked at the Mercedes-Benz CLA 45 AMG and said: nahh, it's just not powerful enough. Recall that the base CLA 45 AMG already produces 355-hp and 332 lb-ft of torque courtesy of its modestly sized 2.0-liter turbocharged inline-four (an impressive feat by itself, yielding the highest output of any production four-cylinder engine), which gives it the ability to get to 60 mph in just 4.4 seconds. Given its $48,375 price tag for stateside 4Matic all-wheel drive version, many would call that a bargain for the performance stats provided.

Frankfurt 2011: VW Nils EV Go-Kart Video

VW Nils revealed at Frankfurt There have been quite a few of these very small, go-kart-style urban commuter cars cropping up of late, but perhaps the Volkswagen Nils is the most promising. The most promising because if – and it’s a very big if – commuters take to the idea of a grown-up version of a soap-box Kart with an engine for getting to work, the VW Nils will possibly offer the best combination of practicality, refinement and cost. Yes, there’s the Audi Urban Concept to consider, but that will be more expensive (there’s a reason Audi makes VW 40% of its profits), so if commuters do actually find appeal in this route then the Nils is probably the front-runner.

2014 Porsche Cayman gets a performance-testing iPhone app

To promote the new 2014 Cayman, Porsche has cooked up an iPhone app called “Cayman Code of the Curve.” You're probably already rolling your eyes at the prospect of another automaker app that is little more than a downloadable advertisement, but this seems to be something different -- the app is designed to record your driving performance in real-time and then share results with friends. Porsche enthusiast site flatsixes.com has an exclusive first look at the app, which is still in development but is reported to be coming “soon.” Based on preliminary screenshots provided by Porsche, the app instructs users to set up a variety of courses -- cone slalom, autocross and reaction-time challenge courses are shown -- then uses the iPhone's internal accelerometer and GPS receiver to track and record your performance. You'll also be able to use the app's “record your curve” function to share favorite drives with friends on Facebook.