Originally Posted by TMP
Good find and as they say with extended use would give even more power.
Cost of full tank with ordinary esso diesel 143/litre (61 litre) = £87.23
Cost of full tank with BP Ultimate 155/litre = £94.55
So the difference is under £8, not a huge lot....I'm going to wait until my tank is empty then try ultimate to see if I can notice any difference in the quality of the ride.