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Infiniti G37 to be renamed Q40; new flagship sedan confirmed

Infiniti has already made it known that its aging G37 sedan will live on alongside the all-new Q50 through the 2015 model year, but little else for this sporty four door has been announced past the 2013 model year. As of this writing, there is no 2014 model shown on the company's consumer website. A new report from Car and Driver, however, indicates that like other models carried over to Infiniti's new naming convention, the four-door G37 will live out the rest of its days with a "Q" name after all.
Unlike the G coupe and convertible - renamed Q60 - the sedan will reportedly wear the Q40 designation until its ultimate demise. We reached out to Infiniti for more information, but a spokesperson only had this for us: "we have not provided any product details for post-2013 models. That will come at a later time." Previously, we had been told that the sedan would continue to live out its days under the G37 nameplate.
As for products that are actually new to the lineup, C/D says that the Q30 and the next-gen QX50 are both expected to arrive before the company launches a new range-topping flagship sedan as soon as 2016. Aside from a handful of reports suggesting this sedan exists (C/D says it's confirmed for production), there isn't much we know about it - including whether it will be called Q80, Q90 or something else entirely. It would appear there's plenty to look forward to from Infiniti's upcoming product lineup, and we are eagerly awaiting a 550-horsepower Q70 sedan and/or a production version of the Q50 Eau Rouge.

Cadillac CT6 ushers in new naming convention

Johan de Nysschen has been at his new post as president of Cadillac for not even three months , but he's already seen two of his most notable accomplishments from his two-year tenure as president of Infiniti matched by Cadillac. The brand has announced that it is relocating its headquarters, and is now officially changing its nomenclature.
The brand's new flagship model will abandon the familiar three-letter designation enjoyed by every other model in the range (aside from the Escalade), and adopt an alpha-numeric title. So, rather than the expected title of LTS, Cadillac's top-end car will be called the CT6.
Of course, this won't be limited to just one model. According to Cadillac's press release, "familiar lettering like 'CT' would be used for car models, with the number indicating the relative size and position of the cars in the hierarchy of Cadillac models." And yes, that means what you think it means - Cadillac will use the exact same naming formula, albeit with different letters, as Infiniti.

Infiniti-Red Bull Racing will seek a fourth title with the RB9 [w/video]

This is the car and the team that everyone wants to dethrone. The stability of this year's regulations means that the Infiniti Red Bull RB9 is a seriously honed RB8; however, that's a situation probably no other team would complain about seeing that the RB8 recovered from early stumbles and reliability issues last year to carry Sebastian Vettel to a third consecutive driver's title and the team to a third consecutive constructor's trophy.
The most noteworthy revisions to the car are the partial vanity panel that omits the driver cooling slot, the even narrower rear end - a feature of just about every car launched so far - and purple sidepods to showcase new title sponsor Infiniti. Adrian Newey, perhaps the most feared designer on the pit lane, said the nose and front wing could be changed relatively easily throughout the season, but he wanted to make sure to get the middle of the car - everything from the sidepods, back - as good as possible since they're more difficult to re-engineer. His track record leads us to believe he did just that.
Below are two videos, one of the making of the RB9, the other the launch at team headquarters in Milton Keynes.