2007-2008, 2018-2023 Audi RS4 Problems & Issues
2007-2008, 2018-2023 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2007-2008, 2018-2023 Audi RS4 has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. DIY maintenance guides at au7o.io.
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Frequently Asked Questions
What are the most common Audi RS4 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2007-2008, 2018-2023 Audi RS4 has 2 documented issues. Documented issues include: 2007-2008 RS4 Deposit-Related Cold-Start Misfire - Diagnose Before Cleaning, 2018-2023 RS4 2.9T Cold-Start Misfire from Confirmed Inlet Deposits. None are rated critical, but regular maintenance is recommended.
Is the Audi RS4 reliable?
The 2007-2008, 2018-2023 Audi RS4 has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
What year Audi RS4 is the most reliable?
Reliability varies across model years of the Audi RS4. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2007-2008, 2018-2023 Audi RS4 with 2 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.
What is the 2007-2008 Audi RS4 2007-2008 RS4 Deposit-Related Cold-Start Misfire - Diagnose Before Cleaning?
Audi guidance documents that fuel-related deposits can cause a rough cold start, hesitation, reduced performance and misfire faults. For the B7 RS4 4.2L FSI V8, Audi TSB 2022030/2 treats P0300 and cylinder-misfire faults as a diagnostic starting point and first distinguishes inje… Severity: medium.
What is the 2018-2023 Audi RS4 2018-2023 RS4 2.9T Cold-Start Misfire from Confirmed Inlet Deposits?
Audi TSB 2075530/1 documents that deposits in TFSI inlet ports and inlet valves can cause rough idling after a cold start and sporadic misfires, especially on vehicles used mainly for short trips. For the 2018-2023 RS4 2.9T, this supports a symptom-triggered diagnosis and repair… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.