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

Audi TT Sportback concept – it’s a 5-door TT: Paris 2014

Audi TT Sportback concept – it’s a 5-door TT Audi has long been the master of the niche, so it’s no real surprise they’re looking for ways to ‘extend’ the Audi TT in to a series of new niche models. The latest take is this, the Audi TT Sportback concept, which has arrived at the Paris Motor Show as a big brother to the TT Coupe, with an extra pair of doors and an extra 290mm in length. Audi has also played with the look of the TT Sportback, with a new hexagonal grill, new headlights and a new bumper up front and the new tail lights and smaller back window give the TT Sportback an individual look (well, as individual as an Audi ever gets).

Hybrid owners sue Ford over Fusion, C-Max mpg claims

Pennsylvania car owners are suing Ford Motor Co., claiming that the 2013 Fusion hybrid and C-Max hybrid are not delivering on promised fuel-efficiency figures, according to a report from Bloomberg. Both hybrid models are advertised to return 47 mpg, but the owners say that number is inflated to seem more competitive among other midsize sedans, according to their court filing. The complaint says car owners who have submitted estimates to a fuel-economy tracking website averaged 38.5 mpg, a 10-mpg difference that can cost an additional $1,800 in fuel costs over five years, Bloomberg reports.

Jaguar tells design story behind new XF Sportbrake [w/video]

Jaguar has released a walk-through of the design of its new XF Sportbrake, which debuted at last week's Geneva motor show. The video features Jaguar design boss Ian Callum and Studio Director Wayne Burgess explaining how the design team managed to keep the company's first official estate car in line with the sportiness and luxury nature of Jaguar brand. Callum says, "I know it's a very practical car, there's an amount of pragmatism in it, it is functional, but at the end of the day it is we call a Sportbrake, it has to look to sporty.