Originally Posted by John V6
Glorious sunny weather here so Belle & I will proceed to the seafront for my constitutional & home via Esso for E5 sans ethanol. budster


John,

Do you see any real difference using the E5 compared to the E10, we have been going backwards and forwards over most of the summer between UK. NI and Ireland covering many 1000's of miles in that time and switching between E5 and E10 not from choice just what is available, in the wife's Merc cabriolet. At some point we have had completely full tanks of E5 or E10 and often a mix of both and I've found very little difference in MPG and performance via a very accurate MPG display. I at one point filled up in Ireland with E5 plus for claimed better MPG and it didn't improve MPG but it dropped for the same motorway driving at constant speed using the speed limiter.

Whilst I might be slightly conditioned by all I've read about E10, I thought the Merc was slightly sweeter running on the E10 and car is a Euro 4. I appreciate the situation might be different in a Morgan, in my case, by my change in driving style, but I've detected very little change from using E10 in the Roadster which is Euro 4.

What has been others experience to date?

Last edited by JohnHarris; 15/10/22 12:30 PM.
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