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

The AW list: 10 best cars to modify

For many, a car right off the showroom floor just isn’t good enough. Luckily, there’s the aftermarket to help cars make more power, handle better and (sometimes) look better. Below are AW’s picks for the 10 best new cars to modify.

Mercedes S63 AMG Coupe: OFFICIAL

The new Mercedes S63 AMG Coupe (pictured) get 577bhp The production version of the Mercedes S-Class Coupe only arrived last month, but Mercedes has already moved the S-Class Coupe forward with the reveal today of the Mercedes S63 AMG Coupe ahead of its debut at the New York Auto Show next month. Looking, perhaps for the first time, real competition for the Bentley Continental GT, the S63 AMG Coupe has proper presence and looks set to the the benchmark in its class, something the old CL63 AMG never really managed. Power comes from AMG’s twin-turbo 5.5 litre V8 with 577bhp – up 37bhp on the CL 63 AMG – and 663lb/ft of torque, enough to hit 62mph in 4.3 seconds, despite which it comes with an official economy rating of 27.4mpg.

Ford Fiesta Zetec S Red and Black Editions (2014) unveiled

By Tim Pollard First Official Pictures 18 June 2014 10:07 Ford has a bold claim for its newly invigorated Fiesta Zetec S Red and Black Editions: they have a greater specific power output than a Bugatti Veyron! The downsizing trend continues apace and the new warm-hatch Fiestas are first to get a higher-output version of the 1.0-litre three-cylinder Ecoboost engine, tweaked to 138bhp thanks to variable cam timing, higher turbo boost and direct injection. Ford claims the new Fiesta specials are the most powerful 1.0-litre cars in the world.