I'd want to take these:
car
My espresso machine, coffee, grinder, thermos, etc.
Home laptop and portable hard drive
phone/charger
bicycle, lights, helmet, spare tube, lube, shoes, shorts, favorite jerseys, jacket/coat/gloves, rack/bag, cable/locks
all my underwear that fits well / in good condition
favorite jeans, short and shoes
favorite pillow, sheets, sleeping bag (if they would be needed)
some modest jewelry with great sentimental value
swim bag w/ favorite fins, goggles and 1970's kickboard (irreplaceable)
pet cat
essential papers
probably a few photo albums
recipe collections
stuffed animal toy my dad gave me over 50 years ago
travel bag w/ toiletries, travel towel,

The more I look at bikes the happier I am with the one I have. It would be hugely expensive to replace it with a similar quality ride. Didn't realize at the time what a great deal I got.