Advice on 300zx

[Grip72]

Ok, i found 2, yes 2 Nissan 300zx's in the paper and here is the descriptions on them:

-1990 Nissan 300ZX, red, black leather, power seats, t-tops, fully loaded, CD player, 2+2 (twin turbo i do believe) a/c, 135,000kms for $9,800CDN..
the only problem is it's an automatic
OR

-1990 Nissan 300ZX, dark blue, auto, 2+2, t-tops, fully loaded, CD, am/fm, a/c, must sell, 167,000kms for $8,400CDN

i am really really relaly interested in either of there cars but i don't know much about 300zx's and if i should get an auto

PLEASE GIMME ANY ADVICE/INFO YA CAN