Your NSX doesnt really compare to these figures because it is a used car if it cost you less than $120K to buy. Do the math on a brand new un modded NSX. A used e36 M3 is (240hp)(10^9)/($17,000)(3250lb) = 4,344 SpD
A used e46 M3 is (333hp)(10^9)/($30,000)(3400lb) = 3,265 SpD
My 328i comes out to (200hp)(10^9)/($16,000)(3000lb) = 4167 SpD
As you can see, it is unfair to compare used cars to new cars because all of these SpD figures are crazy.
A brand new e46 M3 is (333hp)(10^9)/($48000)(3400lb) = 2,040 SpD
A new 760Li gets (438hp)(10^9)/($122,600)(4905lb) = 728 Spd LOL
