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2014 Maserati Ghibli Diesel

It used to be easier to make sense of the auto industry. There were mainstream manufacturers, and there were niche sports car manufacturers. That was before Porsche starting selling more crossovers than it does sports cars, Lamborghini began preparing to go down the same road, and Ferrari introduced an all-wheel-drive hatchback. But long before the arrival of the Cayenne, the unveiling of the Urus and the advent of the FF, the storied marque that is Maserati was already bolstering its sports car offerings with four-door sedans.
In fact, it's now been half a century and six generations since the launch of the original Quattroporte. So the idea of a four-door Maserati shouldn't come as any surprise by now, but the vehicle you see here has the Modenese automaker breaking new ground in another way entirely. And it's not the size, either: although the new Ghibli is smaller than the current QP, it's roughly the same size as the aforementioned original - not to mention the Dodge Charger, a corporate stablemate which similarly revived a coupe nameplate for a four-door sedan. No, what makes this Ghibli 'special' is what resides under the hood, because the model you're looking at packs the very first diesel Maserati has ever offered in its hundred-year history.
Sacrilege, you say? Maybe, but as so-called performance brands have turned their attention to four-door sedans and crossovers, they've also begun to embrace diesel propulsion. In Europe these days, even Porsche, Jaguar, the BMW M division and Audi Quattro GmbH are burning the midnight oil. So while it may be new territory for Maserati, the Ghibli is far from the first high-end, performance-oriented diesel on the Old World's market. It's also a vital addition to the brand's portfolio, particularly in Europe where the advantageous price of diesel fuel over gasoline (and the smaller volumes of fuel a diesel engine typically consumes) makes offering a model so equipped vital to the Trident marque's ambitious growth plans. The question, then, is whether it delivers.

Maserati and Lamborghini pull out of Iran

Daimler is out, Toyota is out, Porsche is out, Hyundai, PSA Peugeot-Citroën are out and when it comes to selling cars in Iran, now Maserati and Lamborghini are out, too. The definitive pullouts of those last two automakers are said to be reactions to a press conference held by a group called United Against Nuclear Iran (UANI). The group highlights businesses that sell in both the US market and Iran, and works to get those businesses to choose one market or the other.
UANI said it had sent letters to Maserati and Lamborghini about their dealings in Iran, but that the letters went unanswered. Mark Wallace, head of UANI and a former US ambassador to the United Nations, held a press conference in October of last year that referenced the two companies. Apparently Lamborghini contacted Wallace just after the press conference and told him "they were out, they weren't doing any business in Iran anymore."
Discussions with Maserati then took place, and the Italian automaker said it had been out of Iran ever since Fiat announced it was leaving the country in May 2011. UANI said Maserati had been in talks with an Iranian distributor, however, and that distributor was continuing to use the Maserati name. The carmaker has since cut all ties with Iranian interests and has prevented its name from being used, adding that its new models will not be able to be sold there because they won't pass regulations the country's regulations.

Maserati switching to in-house twin-turbo V6 and turbo four

Automotive News has been able to put some output figures to the two primary engines that will power Maserati's renaissance. Last year the Italian luxury brand sent notice that it would terminate its deal to with Ferrari to use the Maranello-sourced F160 3.0-liter twin-turbo V6 and F154 3.8-liter twin-turbo V8. As new Maserati models appear and current models are overhauled, the brand will begin installing either Maserati's own 3.0-liter twin-turbo V6, or an FCA-sourced 2.0-liter turbocharged four-cylinder. The V6 will greet the world from the middle of the MC20 supercar poised for debut in September, assuming nothing goes worse with the world than it already has. Rumor from Mopar Insiders and Allpar forums is that Maserati began building its V6 based on Alfa Romeo's 690T V6. Alfa Romeo puts the 690T in the Stelvio and Giulia Quadrifoglio, the engine's development having started seven years ago with Ferrari's F154 V8 as its heart. Tuned for speed, peak output could reach 542 horsepower. After making its home in the racy coupe, the V6 will also serve a new midsize Maserati crossover coming next year, as well as the next GranTurismo coupe and GranCabrio convertible. In the crossover, power is apparently limited to no more than 523 horses. In Maserati's new V6, one piece of technology that permits such high output and emissions friendliness is turbulent jet ignition (TJI). German supplier Mahle has been developing the technology for at least 10 years, and put it to use in Ferrari's Formula 1 engine about five years ago, after which Japan's Super GT manufacturers picked it up. Instead of a spark plug igniting fuel directly in the combustion chamber, TJI places the spark plug and an injector nozzle at the top of a "jet ignition pre-chamber assembly." The injector shoots a mist of gasoline into the pre-chamber, the spark plug fires, and the force of ignition in the pre-chamber sprays the combustion through tiny holes at the bottom of the pre-chamber into the cylinder as the piston rises. Mahle says the shorter burn and improved combustion spread means cleaner-burning gas engines that emit fewer emissions.   AN says that the "new V-6 engine will be 'electrified' in some form." It's not clear if that means all versions of the V6 will get some sort of hybrid assistance, or if — as had been thought — there will be a non-hybrid unit.