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

2014 Audi A8L TDI priced at $83,395

Audi will set the price of the 2014 A8L TDI luxury sedan at $83,395, including an $895 destination charge, the automaker said on Thursday. The addition of this vehicle gives the four-ringed marque a total of five A8 variants. The diesel A8L uses a turbocharged 3.0-liter engine that makes only 240 hp, but kicks out a very diesel-like 406 lb-ft of torque.

CAR tech: who's to blame for your car's terrible fuel economy?

In early 2013 Audi lost a case brought by the Advertising Standard Agency (ASA) because of ‘misleading’ fuel economy figures used in an advert, after a customer complained they couldn’t get anywhere near the 68mpg quoted. The court case once more exposes the yawning gap between officially sanctioned mpg figures and those experienced by owners. A recent study by the Independent Council on Clean Transportation (ICCT) looked at cars sold in the UK and Europe, and discovered the difference between official mpg figures and real-world driving had grown from 8% in 2001 to a barely believable 21% in 2011.

Concept Car of the Week: Hyundai HCD-1 (1992)

After a difficult start to the '80s, Hyundai thought of a new strategy to penetrate the American market and to compete with the industry leaders – Japanese manufacturers such as Toyota being the primary target. It came back in 1990 and set up the Hyundai California Design Center to develop cars just for 'Uncle Sam'. The center began with projects such as the Tiburon coupé and the Santa Fe off-roader, both being named after American cities.