Real-world fuel consumption
368 Audi RS4 cars first registered in Europe in 2023 report their fuel use through the on-board meter. Petrol versions use 11.9 l/100 km on the road against 9.9 in the WLTP test (+21%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Petrol | 368 | 11.9 | 9.9 | +21% |
Litres per 100 km from the cars' own fuel meters (OBFCM), collected in 2024; the year is the year of first registration. All years together · European Environment Agency · CC BY 4.0
In the United Kingdom
390 cars built in 2023 were licensed for the road at the end of 2025, and 6 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
In New Zealand
36 2023 cars are on the New Zealand register.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
No recall campaigns cover the 2023 Audi RS4.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Audi told its dealers about the 2023 Audi RS4: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10251023 | Steering wheel shimmy, vibration and/or oscillation |
| 10249054 | Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota. |
| 10243951 | This bulletin provides information for when the outer perimeter seal is loose on the panoramic sunroof opening. |
| 10243938 | This bulletin provides details on the VIN-4-PIN program. |
| 10243930 | This bulletin provides information on the additional reporting requirements for safety related inquiries. |
| 10233636 | This bulletin provides information for when the virtual cockpit is distorted due a broken screen caused by outside influence. |
| 10233376 | This bulletin provides information for when the vehicle does not start due to a drained battery. |
| 10230781 | This bulletin provides warranty submission instructions for Audi connect and Infotainment for Audi vehicles beginning in MY23. |
| 10228803 | SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES |
| 10216047 | This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. |
| 10216016 | This informational bulletin provides information regarding the permissible tolerance of the self-leveling suspension. |
NHTSA manufacturer communications (public domain)