Problems owners report
Complaints filed with NHTSA about the 2021 Audi A6 Allroad, by the system named in each complaint. One complaint can name several.
- Electrical system4
- Fuel/propulsion system2
- Forward collision avoidance2
- Structure1
- Engine1
- Power train1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 2021 Audi A6 Allroad failed the safety check 1.12% of the time — 19% more often than the average 2021 passenger car (0.95%). Median odometer at inspection: 24,195 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Registered new in Europe in 2021
2,778 new Audi A6 Allroad cars were registered in the EU, Norway and Iceland in 2021; the largest markets were Germany (1,294), Italy (474), Sweden (401).
- Average mass
- 2,002 kg
- Average CO₂
- 180 g/km (WLTP)
- Average power
- 199 kW
- Fuel type recorded
- Diesel 93% · Petrol 7.3%
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
853 Audi A6 Allroad cars first registered in Europe in 2021 report their fuel use through the on-board meter. Diesel hybrid versions use 7.5 l/100 km on the road against 6.7 in the WLTP test (+12%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Diesel hybrid | 853 | 7.5 | 6.7 | +12% |
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 Netherlands
32 first registered in 2021 are on Dutch roads; 72% arrived later as imports. Median list price when new: €116,271.
Most common APK defects
- Bandenspanning niet op juiste waarde9
- Dimlicht onjuist afgesteld3
- Ruitenwisserinstallatie geeft onvoldoende zicht3
- Schijf-, trommelrem loopt niet vrij2
- Band(en) aanwezig met een profieldiepte van 1,6 t/m 2,5 mm1
- Mechanische delen van het remsysteem vertonen slijtage1
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In Finland
39 of these cars first registered in 2021 were in use in Finland on 30 Jun 2026, with an average of 100,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
Crash-test ratings
NHTSA 5-star results for 1 variant; 1 of 1 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2021 Audi A6 allroad SW AWD | ★★★★★ | 8.9 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard
- Lane departure warning
- Standard
- Best overall rating
- 5 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 1 variant: combined 10.6 L/100 km (about 22 mpg US), CO₂ 247 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| A6 allroad 55 TFSI quattro · Station wagon: Mid-size · Premium gasoline | 11.8 | 9.1 | 10.6 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 SQ8, A6 SEDAN, A7, A8, Q7, Q8, RS6 Avant, RS7, RSQ8, S6 SEDAN, S7, S8, A6 Allroad, and SQ7 vehicles. Due to a software error, the instrument panel display may fail.
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi S7, S6 Sedan, RS7, RS6 Avant, A6 Allroad, 2019-2021 A7, and A6 Sedan vehicles. An incorrectly labeled brake fluid cap may have been installed, which can result in the use of the wrong type of brake fluid.
Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 AUDI A8, A6 Allroad, E-TRON Quattro, 2022 S3, RSQ8, RS7, RS6 Avant, Q8, Q7, Q3, E-TRON Sportback Quattro, S5 Cabriolet, E-TRON GT, S5 Sportback, A7, A6, A5 Sportback, A5 Cabriolet, A4, A4 Allroad, A3, S8, SQ7, SQ8, S6, and S4 vehicles. The infotainment main unit may become damaged internally when the vehicle is shut off, resulting in an inoperative rearview camera display the next time the vehicle is started. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7, SQ8, and 2021-2022 S3 Sedan vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air bag may not have been manufactured correctly.
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 A6 Allroad: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011316 | Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Updated affected vehicle chart & owner notification letters to reflect the addition of the next wave of vehicles. |
| 11011314 | Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Updated affected vehicle chart & owner notification letters to reflect the addition of the next wave of vehicles. |
| 11011307 | This bulletin provides information when high beam assist, or traffic sign detection limited, DTC C12B3FD may be stored in the DAS control module. |
| 11011303 | This bulletin provides information when the anti-theft alarm activates for no reason, or when the anti-theft alarm does not activate. |
| 11011296 | This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content. |
| 11011285 | This TSB Provides information when parking assistance provides false warnings. |
| 11011282 | This bulletin provides information when speaker rattles, vibrations, or audio interference is noted. |
| 11011277 | This bulletin provides information when the parking brake does not work sporadically; DTC B107BF0 or B10FCF0 stored in the driver assist systems. |
| 11011276 | This TSB provides information when DTCs U142100 and U164200 are stored as passive/sporadic in the gateway. |
| 11011274 | This bulletin provides information when the restricted function icon for Audi Pre sense is displayed after engine starts. |
| 11011273 | This bulletin provides information when DTC B187A00 is stored: Park steer assist cancelation (symptom number 98341). |
| 11011272 | This bulletin provides information when the overhead view camera (TopView) calibration fails. |
| 11011268 | This bulletin pertains to complaints/general information regarding SOS Emergency Assist. |
| 11011263 | This bulletin provides information regarding cleaning exterior glass. |
| 11011256 | This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit. |
| 11011249 | This TSB provides info when there is a 48V vehicle electrical system warning, DTC U046900 stored in the ECM. |
| 11011240 | This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool |
| 11009990 | Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Updated parts table in parts section. |
| 11009989 | Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year.Updated affected vehicle chart & owner notification letters to reflect the addition of 2022 model year. |
| 11009985 | Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year. Updated parts table in parts section. |
| 11009984 | Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart & owner notification letters to reflect the addition of 2021 model year.Updated affected vehicle chart & owner notification letters to reflect the addition of 2022 model year. |
| 11009983 | Vehicle Concerns Before Recall Repair Available |
| 11009967 | This bulletin provides information when there is an issue with wireless charging/wireless charging not working with Audi Phone Box. |
| 11009965 | This bulletin provides information when the calendar function is not available. |
| 11009958 | This TSB provides information when DTCs U142100 and U164200 are stored as passive/sporadic in the gateway. |
NHTSA manufacturer communications (public domain)