Well.....I dont have one yet, but from the information I gathered on this forum:89-90 240sx has 135hp91-93 240sx has 155hp
Dont know what 180km/h is in mph but the max speed about 112mph or close to that if i remember correctly. As for reliability, the 240 can last a very long time if it is well taken care of. As for it beating a Mazda mx-6....i dont know, but i have faith in the 240 so i am sure it could.
There is alot more than just the basic things i just said but i was only generally answering your questions. Dont worry though....Im sure that someone will post who is more experienced than me.
Edit: almost forgot to mention.....the search button is one of your best friends here. Within minutes you could find the answer to your questions and beyond.
