: For a "pro" inspection, use the LeafSpy Pro app with an OBDII scanner. It shows the exact State of Health (SOH) and if any individual battery cells are failing. 2. Know the Model Years

: Look at the thin vertical bars on the far right of the instrument cluster. A brand-new Leaf has 12 bars .

Unlike gas cars where you check the odometer, the most important "mileage" on a Leaf is its .

Different generations and years have vastly different capabilities:

: Each bar represents roughly 6–7% of the original capacity. Avoid cars with fewer than 9 or 10 bars unless you have a very short commute.