01

Align version and test cycle

Record year, market, drive, battery, wheels and range cycle for both. Do not compare a European WLTP Sealion 7 with a different-market Model Y figure. Use the same route, weather, load and reserve for energy planning.

02

Test charging where the buyer will use it

Identify inlets, AC capability, DC protocol, public networks and home installation. Some network or account advantages are destination-specific. A connector shape alone cannot prove reliable public charging.

03

Load the same family use

Set seats for the same occupants and load identical rigid luggage. Compare rear access, roofline, visibility, cable storage and ride with the required tyres. Published litres do not replace the physical test.

04

Separate software from essential control

Record languages, navigation, app/account transfer, keys, local controls, driver assistance and official update support. Price features that work without unsupported accounts, and disclose any destination limitation for either brand.

05

Compare service and repair evidence

Check destination workshops, parts lead times, tyre availability, collision repair and high-voltage competence. Inspect used candidates independently; model reputation cannot prove a particular battery or body condition.

06

Use equal delivered-cost boundaries

Add vehicle, preparation, charging equipment, freight, taxes, compliance, insurance, service and downtime allowance. Choose the car that fits the actual route with demonstrable support, not the one that wins a single specification row.

07

Compare file close-out

Close this specific file by placing matched version sheets, same-route energy model and destination charging map in one dated candidate record. The reviewer should be able to confirm that both use the same range cycle and that online features are destination-tested. Name the person or provider responsible for every unresolved point, add a realistic cost or consequence, and state what evidence will change the decision. If the VIN, version, condition or destination basis changes, reopen this file instead of carrying the previous conclusion into a different purchase.

08

Decision boundary

A useful decision records what is verified, what remains seller-stated and what was not tested. Attach a consequence and owner to each open item. Do not let a broad assurance replace a missing VIN record, charge test, condition image or destination opinion. Acceptance should be explicit: proceed, proceed with a priced condition, obtain more evidence, or reject. A replacement VIN never inherits an earlier acceptance.

09

Document discipline

Give images, scans, diagnostics and quotations a date, source and vehicle identity. Preserve originals before translation or editing. If custody, software, repair, route or candidate changes, identify which conclusions expire and repeat the affected checks instead of silently carrying them forward. Before inland release, read the same identity, propulsion, value and parties across contract, invoice, inspection and shipping drafts. Registration and customs remain separate destination checks.