Also the mpg figures are almost certainly “metric gallons”, 4.5l.
US gallons are 3.8l
UK uses "imperial gallons", which are no more metric than US customary gallons. Expanded to 3 decimals, a UK/imperial gallon is 4.546L, and a US customary gallon is 3.786, and a US gallon is close to 3.8L, than a imperial gallon is to 4.5L.
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UK uses "imperial gallons", which are no more metric than US customary gallons. Expanded to 3 decimals, a UK/imperial gallon is 4.546L, and a US customary gallon is 3.786, and a US gallon is close to 3.8L, than a imperial gallon is to 4.5L.