0-60mph doesn't drop off much at all with lower SOC . 1/4 mile trap speed suffers the most .
There is bunch of tests with different SOC on my youtube channel.
10% -2.72 sec
15% - 2.45 sec
41% -2.30 sec
90%+ - 2.15 sec
90%+ with seats removed 2.12 sec
All of the times above are without 1ft...