The fourth Lamborghini Aventador SVJ teaser shows the supercar bravely attacking the Nurburgring in a timed lap, and revealing another “best”: the “aerodynamic efficiency”.

Equipped with the Aerodinamica Lamborghini Attiva (ALA), or active aerodynamics in plain English, the supercar appears to have shattered the Nurburgring lap record of the Porsche 911 GT2 RS.

In a report published and removed by AMS, the Lamborghini Aventador SVJ is said to have lapped the German track in 6:44.95. That’s some 2+ seconds quicker than the Porsche 911 GT2 RS, which did it in 6 minutes and 47.3 seconds last fall.

In turn, the German supercar stole the crown from the Lamborghini Huracan Performante’s head, which ran the 20.6km (12.8mi) long course in 6:52.01 six months earlier.

Before taking sides, remember that both Lamborghini and Porsche are part of the Volkswagen Group, so this is basically an internal feud, one that led to the development of some of the hottest supercars over the years.

Another thing mentioned by the German publication before removing the report was the Aventador SVJ’s alleged official output: 770PS (759hp / 566kW), or 20PS (20hp / 15kW) more than the Aventador SuperVeloce. The ‘normal’ SV can reach 100km/h (62mph) in 2.8sec, from a standstill, and maxes out at 350km/h (217mph).

With the recent leak and daily teasers, we wouldn’t be surprised if Lamborghini decides to raise the curtain for the Aventador SVJ this week or the next.