92 vs 95 vs 98 octane POWER TEST

98 vs 95 vs 92 octane gasoline performance test on a stock turbo car Opel astra j 1.6 180 hp.
The test was done on the same sections of the road, same (+-2 degrees) out temperature and with the same weight (apart from a small difference due to the amount of fuel in the tank).
Recommended gasoline octane for this car is 95. Max: 98. Min: 92.

Acceleration test results:

0-100 km/h:
98: 7,7 s.
95: 7,95 s.
92: 8,08 s.

0-160 km/h:
98: 19,55 s.
95: 20,2 s.
92: 21,95 s.

50-150 km/h 4th gear run from low RPMs:
98: 17,45 s.
95: 18,3 s.
92: 19,85 s.

Conclusion:
92 octane produces much less power over the entire engine RPM range ( especially at low).
95 octane almost as efficient as 98 at low RPMs and not as powerful at high.

Your opinion?

Tags:
90 vs 91 vs 92 vs 93 vs 95 vs 98 vs 100 vs 105.
105 vs 100 vs 98 vs 95 vs 93 vs 92 vs 91 vs 90.