What is a MPG (Imperial)?

Definition
imp mpg

Miles per gallon (Imperial) uses the UK imperial gallon (4.546 liters), giving higher numbers than US MPG for the same vehicle.

Unit system
Imperial / UK
All fuel economy units
UnitSymbolSystem
MPG (US) mpg Imperial / US
MPG (Imperial) imp mpg Imperial / UK
Km/L km/L Metric
L/100km L/100km Metric