The US uses a slightly different Octane rating system that averages slightly lower than the more common RON. The system they use averages RON with MON which is measured under different engine conditions. The pump is labeled with (R+M)/2 to indicate this in the image. According to Wikipedia, 88 is equivalent to 95 RON.
The US uses a slightly different Octane rating system that averages slightly lower than the more common RON. The system they use averages RON with MON which is measured under different engine conditions. The pump is labeled with (R+M)/2 to indicate this in the image. According to Wikipedia, 88 is equivalent to 95 RON.
No idea why they feel the need to be different.