How long do dachshunds live?

6 months to 2 years and 6 months

The only documented lifespan-related figure for dachshunds is an estimated increased median lifespan of 6 months to 2 years and 6 months for normal-weight dogs over overweight dogs.

These are the documented figures; individual animals vary with care, genetics and luck.
Grounded in: sites.tufts.edu. Every figure above appears verbatim in the linked sources.
Our other tools
feedornot.com can dogs, cats and chickens eat that?
checkthetemp.com USDA safe cooking temperatures
isitstillfresh.com how long food really lasts
freezeornot.com what freezes well and how long it keeps
getthestainout.com gentle stain removal, step by step
readthetag.com laundry care symbols, decoded
substitute.kitchen ingredient substitutions that scale
whichbug.com identify a bug from what you can see
ismyplantdying.com diagnose a struggling plant
aquariumstudio.ai aquarium care and tank help