Before revision: Measurement American unit Metric unit Affects General preference Notes 0 to 100 km/h (0 to 60 mph) seconds seconds acceleration lower is better 0 to 100 to 0 mph seconds seconds acceleration & braking lower is better formerly common in British publications autonomy kilometers comfort higher is better Autonomous means self-governing.
After revision: Measurement American unit Metric unit Affects General preference Notes 0 to 100 km/h (0 to 60 mph) seconds seconds acceleration lower is better 0 to 100 to 0 mph seconds seconds acceleration & braking lower is better formerly common in British publications Autonomy miles kilometers comfort, safety, economics, range higher is better Autonomous means self-governing.