2007 Nissan Altima S Sedan 4-door 2.5l on 2040-cars

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2015 Nissan GT-R Nismo is Japanese for "Zero Competition"

It was only a little more than a year ago that we were wondering if there would be a new Nissan GT-R, now here we are writing about the introduction of two of them. Carlos Ghosn himself unveiled the new 2015 Nissan GT-R Nismo and the standard-in-name-only 2015 GT-R on which it is based. The Nismo is all about ape-chested mojo, coming with the tagline "Zero Competition," GT3-derived tweaks without and within and a 'Ring time of 7:08.679.
Nissan also brought the actual 'Ring-running car to the event and you'll notice that it has a different rear wing than the two show cars. We were told that the wing on the time-setting car would be available on the car that goes on sale, Nissan intending to keep its "production car" promise.
You can check out the Nismo above in the new Dark Matte Grey exterior hue and in Brilliant White Pearl, as well as the new GT-R, its new Ivory interior and LED light signature below. We haven't written this in a while, so allow us to bring the challenge back: Porsche - your move...

Roller coaster or racecar, which pulls more Gs?

Looking for a thrill? You're not the only one. You'll find kindred spirits at airfields going up for a skydive, atop bridges and towers with bungees attached to their feet and standing in line for roller coasters at the local amusement park. But you'll also find them in the paddock at the racing circuit.
So what's the commonality? G-force. It's like gravity, only in each of these cases, it's experienced by human invention. But which activity subjects your body to the greatest amount of g-force? That's what Nissan set to find out.
Before putting them back in the cockpit, Nismo sent out two of its young hot-shoes - Jann Mardenborough and Mark Shulzhitskiy - to an amusement park in the UK with a camera and a g-force meter to find out if any of the coasters could produce as much lateral gravitational force as an LMP2 racing car. See what they found in the pair of videos, below.

Detroit 3 to implement delayed unified towing standards for 2015

Car buyers have a responsibility to be well-informed consumers. That's not always a very simple task, but some guidelines are self-evident. If you live in a very snowy climate, you generally know a Ford Mustang or Chevrolet Camaro might not be as viable a vehicle choice as an all-wheel drive Explorer or Traverse, for example. If you want a fuel-efficient car, it's generally a good idea to know the difference between a diesel and a hybrid. But what if it's kind of tough to be an informed consumer? What if the information you need is more difficult to come by, or worse, based on different standards for each vehicle? Well, in that case, you might be a truck shopper. For years, customers of light-duty pickups have had to suffer through different ratings of towing capacities for each brand. For 2015 model year trucks, though, that will no longer be a problem. According to Automotive News, General Motors, Ford and Chrysler Group have announced that starting with next year's models, a common standard will be used to measure towing capacity. The Detroit Three will join Toyota, which adopted the Society of Automotive Engineers' so-called SAE J2807 standards way back in 2011. The standard was originally supposed to be in place for MY2013, but concerns that it would lower the overall stated capacity for trucks led Detroit automakers to pass. Ford originally passed, claiming it'd wait until its new F-150 was launched to adopt the new standards, leading GM and Ram to follow suit. Nissan, meanwhile, has said it will adopt the new standards as its vehicles are updated, meaning the company's next-generation Titan should adhere to the same tow ratings as its competitors. While the adoption of SAE J2807 will be helpful for light-duty customers, those interested in bigger trucks will still be left with differing standards. There is no sign of the new tow standards being adopted for the heavy-duty market.