Test cold start, low-speed response, regenerative braking, dashboard warnings, charging, lights and all connected features. Ride long enough for the battery and power electronics to warm up. A five-minute parking-lot spin will not reveal range or thermal issues.
Ask the seller not to fully charge immediately before inspection if you want to observe realistic battery behaviour. Compare displayed percentage drop with distance travelled, but remember that terrain, speed and weather affect consumption. Use this only as a clue, not a definitive state-of-health test.
Check service-system access
Call the authorised service centre with the VIN or registration details where appropriate and ask whether service history, recalls or campaigns are outstanding. Confirm whether the manufacturer will support a second owner and whether app ownership can be transferred.
Budget the first year
Add insurance transfer, tyres, brake service, charger replacement risk and any scheduled service. A used EV that needs tyres and a proprietary charger immediately can erase the apparent purchase discount.
If the vehicle is still under finance, require a documented closure and hypothecation-removal process. Ownership transfer without clean finance status can create months of administrative trouble.
The safest used-EV deal is one where the seller can prove history, the manufacturer can support the new owner and the price leaves room for realistic component risk.