Looking on the internet deeply has found these results:

i would prefer is the most popular phrase on the web.

would be preferable 16,070,000 results on the web	i would prefer 145,900,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
up report would be preferable, in order to avoid regular reporting and the additional work associated with it. Frankly, Sister Evangelina, taming a lion would be preferable. A single follow An opt An accumulation of experience and expertise under one budget line would be preferable. And that would be preferable to, say, putting them on the key holder which just happens to look like a large key. The presidency's understanding is that explicit monitoring of the VAT regime would be preferable for Sweden. in, which requires an instruction that one does wish to receive commercial mail, would be preferable still.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

would be preferable

16,070,000 results on the web

i would prefer

145,900,000 results on the web

More popular!

up report would be preferable, in order to avoid regular reporting and the additional work associated with it.
Frankly, Sister Evangelina, taming a lion would be preferable.
A single follow
An opt
An accumulation of experience and expertise under one budget line would be preferable.
And that would be preferable to, say, putting them on the key holder which just happens to look like a large key.
The presidency's understanding is that explicit monitoring of the VAT regime would be preferable for Sweden.
in, which requires an instruction that one does wish to receive commercial mail, would be preferable still.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.