Excepting those of the Europe-wide safety assessment program
Euro NCAP
The European New Car Assessment Programme (Euro NCAP) is a European voluntary car safety performance assessment programme (i.e. a New Car Assessment Program) based in Leuven, Belgium. Formed in 1996, the first results were released in February ...
, vehicle segments in Europe do not have formal characterization or regulations.
Although the definition is vague, there is little overlap between segments A–F based on
weight
In science and engineering, the weight of an object is a quantity associated with the gravitational force exerted on the object by other objects in its environment, although there is some variation and debate as to the exact definition.
Some sta ...
and
size
Size in general is the Magnitude (mathematics), magnitude or dimensions of a thing. More specifically, ''geometrical size'' (or ''spatial size'') can refer to three geometrical measures: length, area, or volume. Length can be generalized ...
parameters.
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