What size are the Speakers on a 1992 Mitsubishi 3000GT?

Answer 1

the front door speakers are 6 1/2'' and the back speakers are 6x9's and there is a dash tweeter

*Applies to all 3000GT's 1991 thru 1999. Good luck mounting a 6 1/2 inch speaker in the doors. In fact, good luck mounting a 6 3/4 inch in the doors. I will give you $50 cash if you mount speakers readily available from your typical audio store in the stock housing. Mitsubishi, in all of their wisdom, had Infinity make a 7 inch speaker that is like, the only speaker in the world that fits the 3000GT's and Dodge Stealth exclusively with the stock mounting plate. What is required to mount a universal speaker size(6.5" and 6.75") inside a 3000GT or Dodge Stealth, is custom fabrication, because they will not fit! Same with the dash tweeter. JBL used to make a replacement that fit, but discontinued that model. You will have to custom mount the dash tweeters inside the stock housing.

Can I have the money please if I install the speaker?

Only Kidding but if it's a 7inch speaker that you need instead of a 6.5 or 6.75 inch speaker you can look at marine speakers. The Alpine SPR-M70 is a 7 inch 2 way speaker. There are others as well but Just thought I would give you an example. But you are correct the area for the speaker is off, but you can get the common 6.5inch speakers in thee with out to much trouble.