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

Europe’s most congested cities revealed

Drivers in Yorkshire face a delay of 36 minutes for every hour they drive in peak periods, according to a new study by sat-nav firm TomTom. It's enough to make Leeds-Bradford the seventh most traffic clogged city in Europe. The most congested cities in Britain While Leeds-Bradford was labelled the most congested city in Britain, the report also identified London and Birmingham as traffic hotspots.

Mercedes SLS AMG GT Final Edition revealed ahead of debut at Los Angeles & Tokyo

The Mercedes SLS AMG GT Final Edition (pictured) signals the end of the SLS It’s more than four years since the Mercedes SLS Gullwing was revealed at the 2009 Frankfurt Motor Show as the Mercedes replacement for the Mercedes McLaren SLR. And now the SLS is almost at the end of its shelf life. That means the opportunity for a run-out model to cap the SLS range, so Mercedes is launching the Mercedes SLS AMG GT Final Edition – a limited run of 350 cars as a Gullwing or Roadster – which will debut at both the Los Angeles and Tokyo Motor Shows next month.

BMW 4-Series: Alpina B4 Biturbo price and specs – debuts at Goodwood

The Alpina B4 BiTurbo (pictured) debuts at Goodwood 2014 We’ve already had the arrival of the BMW 4-Series Coupe and Convertible – the replacement for the old 3-Series Coupe and Convertible – so logically the next step is an Alpina version. And here it is. The Alpina B4 Biturbo is based on the latest 4-Series and gets the N55 BMW straight six from the 435i but tweaked and fettled by Alpina to deliver 404bhp and 442lb/ft of torque.