In summary, the ZR1 and ZR1X beat the GTD by roughly two and three seconds respectively. While these times are impressive, given the cost of the other machines that fall under the seven-minute category, there's one car that still manages to school both 1,000-hp-plus Corvettes with half the horses, and it's not even the latest Porsche 911 GT3 RS ...

Back in December last year, Ford announced that its new-but-not-a-diesel GTD had set a Nürburgring lap time of 6m 57.6s, making it the fastest American car ever to lap the Green Hell. Then, in May this year Ford went back to Germany and shaved 5.5 seconds off that time for a new record of 6m 52.072s.