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

Mercedes S63 gets new 5.5 litre V8

The Mercedes S63 AMG is the firts to get the new AMG 5.5 litre V8 Bi-Turbo Mercedes’ top end AMG engine has changed over the last few years. It’s gone from a 5.5 litre supercharged lump to the now ubiquitous 6.2 litre normally aspirated engine, which anomalously gets badged ’63′ throughout the cars that sit at the top of each of Mercedes big-engined ranges. But now we go back to the future with the return of a 5.5 litre V8 – admittedly a completely new engine (M571) – which this time round sports a pair of turbochargers and delivers 554 hp and 590lbs/ft of torque.

Autoweek's Best of the Best winners announced

Today, Autoweek announced the winners of our yearly Best of the Best competition with the Porsche Boxster S and Mercedes-Benz GL taking top honors. Presenting the awards, editor Wes Raynal said, “It was a tough call to make this year with so many incredible cars and trucks that debuted. After a year of evaluating everything on the market, the Porsche Boxster S and Mercedes-Benz GL rose to the top, really earning these two awards.” For Best of the Best awards, the Autoweek editors considered publicly available, all-new or substantially new 2013 model cars and trucks.

UK car tax rises 'won't work'

By Tim Pollard Motoring Issues 29 May 2008 10:56 The UK Government's proposed tax rises won't deter drivers from picking a high-CO2 car, new research by CAR reveals. We surveyed more than 1000 motorists and asked if the new charges – quadrupling the annual tax bill for some cars – would put them off so-called gas guzzlers. Surprisingly, 76 percent of drivers said it wouldn't deter them one jot.