All the others recognize sale at time of shipment to dealer. That is NOT cash basis at all, no connection. For Tesla, the finished goods inventory includes all costs of the finished product, while the component, including salaries and materials are charged to expense as incurred. You are incorrect that those expenses are deferred, they are recognized as incurred. All accounting is intended to match revenues and expenses, but the terms of recognition vary substantially, as do rules for depreciation, amortization and charging to Work in Progress or Finished Goods.
You need to review production accounting. We don't need the technicalities here, but if we did
@The Accountant would be the appropriate source, not me. OTOH, I have had a pretty decent background in cost accounting for the auto manufacturing and distribution industry.