Quote:
Originally Posted by Clifford Pope
This might be of interest, perhaps:
I've just achieved my best-ever fuel consumption, of 37.4 mpg, on a clear motorway run, non-stop, of 150 miles, at a steady 60mph with occasional increases to 65 to pass lorries. No passengers, no other load. Daylight, warm day.
It's a 1990 GL 2.3, with LH2.4 ignition.
By comparison, local journeys, longest trip 10 miles on narrow rural roads, the average is about 27 mpg.
(My best fuel consumption of all time was a Renault 4, which did an easy 45 mpg on short journeys, and over 50 on long runs)
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that's how you should be driving , 75 - 80 mph would probably halve that figure due to the huge increase in wind resistance .
In comparison , my brother's V60 did 70 mpg under the same speed conditions ,
Narrow rural roads etc never goes below 44 mpg
things have moved on in the last 30 years after all !