Reconditioned Audi Q5 engine and Used Audi Q5 engine: Reconditioned wins. UK workshop data shows used engines carry unknown failure risks; reconditioned units are stripped, inspected and rebuilt to British Standards. Approximately £2,000–£3,500 supply-only for reconditioned; £800–£1,800 for used. Reconditioned includes 12–24-month warranty; used often sold "as seen". The average used Audi Q5 has a poor 38% reliability score, making reconditioned the safer long-term bet.