Have I been ripped off?

I posted earlier about my trials today, but it didn't go through.

We printed two files today - one D800 and one SD1M. Both of the same subject, both taken into PS and enlarged to 100% and then sent directly to the printer. The D800 image came out 60 inches wide and the Sigma image came out 32 inches wide.

That is the variance I was trying to question yesterday and trying to resolve that with the 30mp Bayer equivalent statements.

I'm not unhappy, just a bit let down. Bit like getting a new Boxster and finding the turbo charge has been removed.

Best

Ron