Adelaide logs 1 outdoor-dinner months a year to Sydney's 2 — Sydney wins by 1. Sydney also leads on sunny days by 4.

Adelaide runs about $2,547/mo for a balanced lifestyle against Sydney's $3,641/mo — Adelaide comes in $1,094 cheaper each month, roughly 43% less.

Adelaide and Sydney score neck-and-neck on mobility (2.6 vs 2.8, 0–5 scale).

Sydney's culture score of 4.0 sits well above Adelaide's 3.5, with the biggest gap on theatre & performing arts.

Adelaide and Sydney score neck-and-neck on nature & outdoors (4.5 vs 4.7, 0–5 scale).

Adelaide's safety score of 3.9 sits well above Sydney's 3.5, with the biggest gap on flooding safety.

Sydney's career score of 4.2 sits well above Adelaide's 3.0, with the biggest gap on startup ecosystem.

Sydney's social & community score is ~1.2× Adelaide's — in the upper band, while Adelaide lands in the middle of the scale, with the biggest gap on urban energy.

On food & dining, Sydney scores 4.6 vs Adelaide's 3.4 (0–5 scale), with the biggest gap on restaurant variety.

On family, Sydney scores 4.1 vs Adelaide's 3.3 (0–5 scale), with the biggest gap on gym/fitness quality.

On healthcare, Sydney scores 3.7 vs Adelaide's 2.7 (0–5 scale), with the biggest gap on public healthcare quality.

Adelaide averages 5.6 µg/m³ (good) PM2.5 annually versus Sydney's 5.6 µg/m³ (good) — effectively the same air.

Who Thrives Here