Important for maintaining warranty validity.

Ask to remove fees for things like "VIN etching" or "fabric protection".

Listen for wind noise and feel for steering wheel vibrations.

Pay attention to how the car behaves in real-world conditions, not just a slow lap around the block.

This could indicate an alignment or brake issue.

(Private sellers) This can reveal if they're offloading a lemon or just upgrading.

This includes all taxes, registration, and dealer fees.