I did a short return trip at the weekend of 6 miles each direction and a 5 minute stop between outward and return segments. There was 2 adults - inc driver - in car.
From cold - 36 F - the mpg was 45.5 US/54.7 IMP. There was a strong headwind.
After a 5 minute stop the running average indicated a total trip average of 54.2 US/65.1 IMP.
The route was very twisty and undulating with only 2 junctions.
Average speed of 45 mph.
This would indicate that the return segments average was 63.3 US/76 IMP.
A warm engine and a tailwind bring out the best in these cars!
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