carfax or autocheck? which one is better?

[240sx-101]

I have never used both of them...so no idea how much i can trust them.

carfax

autocheck

i think these two are reliable source...

if anyone has idea that which one would be better?

(usually autocheck shows more record number than

carfax... and it has 60days unlimited...)

any commnet...plz

[lookatme!]

I've only ever used carfax, I guess it depends on what your looking to know...