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

The Ford Mustang GT-R was the pony car's anniversary gift to itself

The Ford Mustang is about to turn 50. This means that one decade ago -- and please check our math here -- the Mustang was about to hit 40. The Blue Oval celebrated in style.

The next McLaren supercar will be called the 650S

We've known that McLaren has a pair of additional models in the works, including a Porsche 911-fighting, 12C-based sports car known only as the P13 and another car positioned between the 12C and the P1. Previously, we'd heard the code name “P15” tossed around in reference to that latter car, but McLaren has officially christened it the 650S ahead of its world debut at the upcoming Geneva motor show. According to the automaker, the 650S “takes learnings from both the 12C as well as the sell-out McLaren P1 [ed note: there has to be a better way to say that] and will be positioned between the two on McLaren Automotive's supercar grid.“ We liked the 12C, and we really, really liked the P1.

Glass’s Guide Luxury Cars price crash

I think we all knew it was happening, but Glass’s guide, the trade bible for used car values, has confirmed that luxury cars in the UK have fallen out of bed in a big way. Comparing luxury diesel saloons with a year ago, they say that average values have dropped by a massive 21%. And in pure money terms the top end coupes, such as the Porsche 911, have fallen by 18%.