Vehicle metrics

From Wikipedia, the free encyclopedia

There are a broad range of metrics that denote the relative capabilities of various vehicles. Most of them apply to all vehicles while others are type-specific.

Measurement	Imperial unit	Metric unit	Affects	General preference
Braking distance	meters	feet	safety	shorter is better
Brake specific fuel consumption	g/kWh	?	economics
Drag coefficient	(ratio)	(ratio)	economics, top speed
Fuel economy	mpg	L/100 Km	economics	greater is better	must be specified on new vehicles for sale in the US
Roll center	?	?	handling	lower is better
Power-to-weight ratio	hp/lb	W/kg	acceleration	higher is better
Top speed	mph	km/h	Ego	higher is better	Electronically limited in some countries
Weight	lb	kg	acceleration, braking distance	lower is better
Weight distribution	%	%	handling, acceleration, traction