Registered new in Europe in 2021
753 new Audi RS4 cars were registered in the EU, Norway and Iceland in 2021; the largest markets were Germany (680), France (52), Luxembourg (19).
- Average mass
- 1,820 kg
- Average CO₂
- 227 g/km (WLTP)
- Average power
- 331 kW
- Fuel type recorded
- Petrol 100%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
Real-world fuel consumption
233 Audi RS4 cars first registered in Europe in 2021 report their fuel use through the on-board meter. Petrol versions use 11.8 l/100 km on the road against 10.0 in the WLTP test (+19%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Petrol | 233 | 11.8 | 10.0 | +19% |
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
396 cars built in 2021 were licensed for the road at the end of 2025, and 9 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
70 2021 cars are on the New Zealand register; 1% arrived as used imports, 99% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
No recall campaigns cover the 2021 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 2021 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. |
| 10230579 | This bulletin provides instructions for when the message "Please reduce oil level" is reported. |
| 10228803 | SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES |
| 10220388 | This bulletin offers further guidance regarding diagnosis and system information for vehicles with a 48 V electrical system. |
| 10216016 | This informational bulletin provides information regarding the permissible tolerance of the self-leveling suspension. |
| 10212144 | This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owner's manual" is displayed in the instrument cluster without DTCs. |
| 10211721 | This bulletin provides information regarding vibrations or movement that are felt in the wheel. |
| 10198567 | This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc. |
| 10191558 | Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time without any discrepancy. |
| 10191002 | This bulletin contains repair instructions for DTC B200FF0. |
| 10180155 | Added new graphic to reflect where to find MY 21 information |
| 10177300 | This informational bulletin explains when the range display is empty in the on-board computer. |
| 10176749 | This bulletin contains instructions for diagnosing noises from the suspension with an oil film on the shock absorbers. |
NHTSA manufacturer communications (public domain)