Usually, tuned cars racing stock vehicles isn’t all that interesting and it surely isn’t fair at all. But sometimes, if the power difference isn’t significant, you can draw some interesting conclusions.
Take this Burger Motorsports BMW M5, with its twin turbo 4.4 liter V8 engine. It’s got a 7-speed dual-clutch gearbox and it will hit 100km/h (62 mph) in less than 4.3 seconds (which is the manufacturer’s time). However, the power upgrade isn’t huge, just between 30 to 50 extra hp.
Unfortunately, the extra torque is what really makes this race unfair. The M5 has between 110 to 136 Nm of bonus torque to go along its already impressive 680Nm. That’s roughly 800Nm (590 lb-ft) in total and it completely trashes the GT-R’s 632 Nm.
However, the Nissan is roughly 200kgs (441 pounds) lighter and its 550 HP twin turbo V6 makes it a very fast car off the line. But both races in this video happen via a rolling start (just like all gtboard.com races) where torque makes a really big difference.
In the first race, it seems as though the GT-R may have been in the wrong gear because it got left behind way too easily. And before you say that it was normal, watch the second race.