My GarageUsed Audi A4 Buying Guide
The A4 is Audi's core sedan. The B9 (2017+) with gen-3 EA888 2.0T is the safest used pick; B8 examples need chain-tensioner history verified.
Best Years to Buy
Generations with the strongest long-term reputation.
Gen-3 EA888 tensioner and oil-consumption improvements.
Years to Research Carefully
Not deal-breakers — but they reward a careful buyer.
Timing-chain tensioner failure on gen 1–2 EA888.
Common Problems
Bring this list to your pre-purchase inspection.
- ✓Timing-chain tensioner (gen 1–2 EA888)
- ✓Water pump around 80k on 2.0T
- ✓PCV valve on 2.0T
- ✓Direct-injection carbon buildup
- ✓Electronics (MMI)
Maintenance Expectations
Dealer service is expensive; independent VAG specialists cut costs substantially.
5,000-mile oil intervals and proactive fluid service are essential.
Inspection Checklist
What to verify on any candidate car.
Ownership Experience
- • Refined interior, excellent Quattro AWD, quiet on the highway.
- • Real-world 27–31 mpg on 2.0T.
- • Records determine ownership cost more than mileage does.
Should You Buy a Used Audi A4?
Yes, with records. Prefer B9 with gen-3 EA888 for the lowest-risk long-term ownership.
Thinking About a Specific A4?
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