GT R Pro vs BS performance
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GT R Pro vs BS performance
Has anyone done a truly apples to apples comparison of these 2 cars on the track? I know the same driver on the Ring was 21 seconds quicker with the BS. However, we know how much quicker the CUP 2R tires (BS) are than the CUP 2 (GT R Pro). According to Michelin, the track times on the ring would drop app 11 sec switching to the 2Rs (they claim about -0.5 sec/km with the 2Rs) which would bring the GT R Pro times down closer to 6:53 ("only" a 10 sec diff, yet still quite significant), and I wonder how different the track conditions were. It would be interesting to see a back to back comparison of these 2, very track worthy cars... same driver, same tires, similar track conditions....
Last edited by LTHL VPR; Jan 14, 2022 at 07:32 AM.
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Joined: Feb 2014
Posts: 474
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From: Bar
☐ Rekt ☑ Not Rekt
I don't know that anyone has done a side by side lap time comp between the two cars. The only peeps that I would think would know are the instructors that have driven the BS at the AMG Academy ... but I'm not sure they have Pros there, last time I went the top trim was the GTR, but that was a couple of years ago so they might have added a Pro since.
But the difference is going to be significant in favor of the BS. Even if your assumptions are correct about the time improvement at the ring because of different tires, 10 seconds at that range, where each second is exponentially more difficult to gain, is massive. I also think you're crediting the tires with too much time gain.
It would be interesting to actually see them side by side but the power and downforce advantages of the BS are considerable ... let's put it this way, the improvement of the BS over the Pro is going to be greater than the Pro over the R.
But the difference is going to be significant in favor of the BS. Even if your assumptions are correct about the time improvement at the ring because of different tires, 10 seconds at that range, where each second is exponentially more difficult to gain, is massive. I also think you're crediting the tires with too much time gain.
It would be interesting to actually see them side by side but the power and downforce advantages of the BS are considerable ... let's put it this way, the improvement of the BS over the Pro is going to be greater than the Pro over the R.
Last edited by soulsea; Jan 14, 2022 at 01:07 PM.
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From: Arizona
Bentley Continental GT; AMG GT
Putting aside the hp/tq, the BS has that flat plane crank and 7K RPM...I'm in love with this motor.
Difficult to dispute the performance of this car compared to past performance. Make tires match....or not. In the right hands, this car is a killer.
Difficult to dispute the performance of this car compared to past performance. Make tires match....or not. In the right hands, this car is a killer.
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2020 AMG GT R Pro
There is simply no comparison. Being a pro owner I had to say this.
The BS is a level above in terms of aero dynamic design which matters a lot for the high HP GT cars, I think the gap will probably be very significant on high speed tracks or high downforce track, slightly smaller in technical tracks but nothing trivial.
The BS is a level above in terms of aero dynamic design which matters a lot for the high HP GT cars, I think the gap will probably be very significant on high speed tracks or high downforce track, slightly smaller in technical tracks but nothing trivial.
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Fair comments and feedback. Knowing that the GT R Pro has the GT3RS as a target, I'm surprised MB didn't have the 2R tires on the car from the factory. It certainly would have put that car in the rearview mirror. Maybe they wanted to widen the gap between the BS and the GT R PRO. Both are great cars and certainly appreciate the aero and engine on the BS.
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From: Edmonton, Alberta, Canada
Winnebago, Yugo
My home track is a slower more technical track which rewards mechanical grip over aero, it is a great track for leveling the playing field. Even so, I have seen cars with a 100hp+ advantage severely gap me on the straights.
I might be able to keep a really bad BS driver in my sights. lol.
I am not inclined to add more power to the PRO at this time. Car can be a handful on corner exits with the power on hand.
I might be able to keep a really bad BS driver in my sights. lol.
I am not inclined to add more power to the PRO at this time. Car can be a handful on corner exits with the power on hand.
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/////PRO
My home track is a slower more technical track which rewards mechanical grip over aero, it is a great track for leveling the playing field. Even so, I have seen cars with a 100hp+ advantage severely gap me on the straights.
I might be able to keep a really bad BS driver in my sights. lol.
I am not inclined to add more power to the PRO at this time. Car can be a handful on corner exits with the power on hand.
I might be able to keep a really bad BS driver in my sights. lol.
I am not inclined to add more power to the PRO at this time. Car can be a handful on corner exits with the power on hand.
The stock configuration did very well within reasonable expectation.
Once tuned or tuned + downpipes, the car got to be a lot more of a handful, not so much because of the extra power, but where the extra power and increased torque was.
Many of the tunes and tuning companies out there are working within the “limitations” of the stock turbos, having a bunch of torque down low, and adding all the power low to mid range, as the factory turbo is a dog after 5k RPM, it simply cannot flow enough air. So after a tune the car gets even more wild out of corners when coming back on power or those types low to mid range throttle application situations.
One thing i saw and experienced personally was going to a big turbo that moves the torque and power band “to the right” some, is more linearity, predictability, at those lower RPM or initial throttle application situations. As well as a super amount of power and pull all the way to redline, never running out of breath. If anything. It oddly almost made it easier to drive in those situations. Go figure, an extra 150-200hp easier to drive, mostly due to lacking that instant punch from a factory sized turbo…also an interesting side effect of the larger housing turbos, they run cooler as they are not as maxed out under increased boost levels from a tune.
Last edited by dlefty; Jan 17, 2022 at 10:16 PM.
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