best acceleration in any car was a Scion Tc belive it or not.... i dont know what was all done to it except a turbo, but i drive alot of cars workign with my dad ( car transportation) and highest top speed was 155 in a 03 Stage 3 Roush we used to have... it was like 4AM coming home from SeaWorld and i didnt even know how fast i was going until i looked at Speedometer..... i guess its because mustangs are soo so so badasss lol