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

Watch this McLaren 650S hot-lap Monza

Here's a short video of the McLaren 650S lapping the Monza racetrack in Italy. The 3-minute, 40-second clip features the company's latest supercar doing high-speed pass-bys and revving engines at the gas station. The footage came out of the “Pure McLaren Driving Experience,” an event put together for company VIPs.

Audi A5 DTM (2012) at Frankfurt motor show

This is the new Audi A5 DTM. Simply, it’s Audi’s entry into 2012’s Deutsche Tourenwagen Masters, the German touring car series where the rules demand 4.0-litre V8s and rear-wheel drive chassis. So the Audi A5 DTM racer isn’t your average A5?

New Mercedes A45 AMG has 105 years of 4WD on its side

With the new Mercedes A45 AMG on the horizon – complete with 4WD – Mercedes chart the history of all wheel drive on their vehicles. We tend to think of 4WD road cars as a modern innovation, and certainly very few 4WD road cars hit the road in a mainstream way much before the 1980s (the Jensen FF was hardly mainstream before someone points out that was in the 1960s). But the history of 4WD goes back, certainly in the case of Mercedes, a surprising 105 years when Daimler built the Dernburg-Wagen, a 4WD vehicle that not only got all-wheel drive but all wheel steering too.