The first Nissan GT-R R35 kicked off a war of lap times on the Nürburgring with its 7:29.03 run that seems to be escalating with each new sport car that is launched.

We already know that Nissan has made some serious changes to the 2013MY (2012 for the rest of the world) GT-R. Despite the fact that it looks identical to the previous model both inside and out, under the skin, the 2013MY is even better as Nissan’s engineers have apparently been burning the midnight oil for quite some time.

The result is a revised engine with an extra 20HP, for a total of 550-ponies, a more rigid body, ceramic brakes on certain editions and even an asymmetric suspension setting on left- and right-hand drive cars.

The 2012MY 530HP GT-R shaved more than four seconds off the 2011MY’s Ring time so we expect the even more powerful 2013MY to be even faster. Nissan said that the 2013MY GT-R has the potential to drop under 7:20″.

Recently, there was a posting on Wikipedia’s Nürburgring Lap Times with a link to a video allegedly showing the 2013MY Nissan GT-R turning the Nordschleife in 7:21.0 – more than eight seconds faster than the 2010 model, placing it 10th in the street-legal car rankings.

Problem is, despite Wikipedia’s entry that states this was a Nissan-conducted test and the company’s official test driver, Toshio Suzuki, was behind the wheel, the Japanese company claims to have absolutely no knowledge about the issue.

Nissan spokesman Nobukazu Tanaka told The Truth About Cars that, while the company has indeed conducted tests of the new GT-R at the ‘Ring in October, there was no record attempt. “We have no official announcement of a time trial or the results of the test run at the Nürburgring Nordschleife”, he said.

Is this a doctored video? Tanaka-san said that at least some of the footage is real. You can watch the video right after the jump and decide for yourself.

Story References: Youtube via TTAC

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