3.0 V6 30V 220hp (ASN)
2000–2004 · petrol · 2976cc · 220hp
Engine codes: ASN
Reliability, common problems and owner reviews for the Audi A4 B6 / B7 3.0 V6 30V 220hp (ASN). Check this before you buy used.
The 30-valve aluminium-block 3.0 V6 (ASN, 220 hp) in the A4 B6, A6 and A8, 2000–2005. Smooth but costly to keep: reported faults are oil consumption, timing-drive failures, valve-cover and cam-adjuster seal leaks and cooling-system wear. Sources disagree on whether the timing drive is belt only or chains plus belt, so ask the workshop that serviced it.
Known Issues
Valve-cover and cam-adjuster seals leak; oil consumption is reported.
Fix / Workaround: Budget for seals; measure consumption.
Timing-system failures and cooling wear are reported. One owner gives a 105k-mile belt interval (anecdotal).
Fix / Workaround: Get proof of the last timing service; replace water pump and thermostat with it.
Pre-Purchase Checklist
- ☐Proof of timing service
- ☐Look for oil on the valve covers
- ☐Check coolant level and leaks
Frequently asked questions
Is the Audi A4 B6 / B7 3.0 V6 30V 220hp (ASN) reliable?
Expensive — The 30-valve aluminium-block 3.0 V6 (ASN, 220 hp) in the A4 B6, A6 and A8, 2000–2005. Smooth but costly to keep: reported faults are oil consumption, timing-drive failures, valve-cover and cam-adjuster seal leaks and cooling-system wear. Sources disagree on whether the timing drive is belt only or chains plus belt, so ask the workshop that serviced it.
What are the common problems and reviews for the Audi A4 B6 / B7 3.0 V6 30V 220hp (ASN)?
The most commonly reported problems: Oil leaks and consumption, Timing drive and cooling.
Is a used Audi A4 B6 / B7 3.0 V6 30V 220hp (ASN) worth buying?
Won't fail catastrophically, but when things do go wrong the repairs cost a lot. Budget accordingly.