2021 Audi A4 Allroad
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2021 Audi A4 Allroad is worth — from official NHTSA and EPA data. 16 on record.
2021 Audi A4 Allroad at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2021 Audi A4 Allroad recalls 1
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 af…
Fix: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2021 Audi A4 Allroad common problems
The most-reported problem areas across all 1 owner complaint filed with NHTSA — and what to check before you buy.
2021 Audi A4 Allroad safety ratings
Source: NHTSA 5-Star Safety Ratings (NCAP), tested as the 2021 Audi A4 allroad SW AWD. Ratings can differ by body style and drivetrain.
2021 Audi A4 Allroad MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Estimated 5-year cost to own
A rough guide to what running a 2021 Audi A4 Allroad costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2021 Audi A4 Allroad. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 785
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 785.
This bulletin provides information for reporting safety related information to the manufacturer.
Bulletin TSB_2052680_2 · Sep 2026This bulletin states that technicians are required to report to the manufacturer when a vehicle has flooded, and specify the height to which the vehicle has been flooded.
Bulletin TSB_2083409_1 · Sep 2026This bulletin provides service information regarding exterior glass cleaning.
Bulletin TSB_2020552_15 · Visibility/wiper · Sep 2026This bulletin provides informaiton when DTC B200FF0 is stored.
Bulletin TSB_2065871_4 · Steering · Sep 2026This bulletin provides information about vibrations and rotational steering vibrations.
Bulletin TSB_2074846_5 · Steering · Sep 2026This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
Bulletin TSB_2068573_6 · Electrical System · Sep 2026This bulletin provides information about billing for a broken sunroof glass panel.
Bulletin TSB_2078648_4 · Structure · Sep 2026This bulletin provides information when the license plate mounting bracket threded inserts are stripped.
Bulletin TSB_2030471_9 · Sep 2026This bulletin provides information when there are stails/marks on the sill panel trim.
Bulletin TSB_2073860_2 · Structure · Sep 2026This bulletin provides infomraiton abou the Audi frequency analysis application, which is available in the App Store for Android and Apple phones.
Bulletin TSB_2051095_12 · Sep 2026Source: NHTSA Office of Defects Investigation, listed for the A4 ALLROAD AWD. Model-year data, not specific to one car.
About the Audi A4 Allroad
The Audi A4 is a line of luxury compact executive cars produced from 1994 to 2025 by the German car manufacturer Audi, a subsidiary of the Volkswagen Group. The A4 has been built in five generations and is based on the Volkswagen Group B platform. The first generation A4 succeeded the Audi 80. The automaker's internal numbering treats the A4 as a continuation of the Audi 80 lineage, with the initial A4 designated as the B5-series, followed by the B6, B7, B8, and the B9.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
2021 Audi A4 Allroad vehicles on record
2021 Audi A4 AllroadWAUZZZF49MA056043
2021 Audi A4 AllroadWA18AAF45MA049494
2021 Audi A4 AllroadWAUZZZF42MA065019
2021 Audi A4 AllroadWAUZZZF4XMA061722
2021 Audi A4 AllroadWAUZZZF47MA065727
2021 Audi A4 AllroadWAUZZZF44MA083716
2021 Audi A4 AllroadWAUZZZF44NA013019
2021 Audi A4 AllroadWAUZZZF42MA070382
2021 Audi A4 AllroadWAUZZZF48NA014500
2021 Audi A4 AllroadWA18AAF45MA073133
2021 Audi A4 AllroadWA17AAF49MA073678
2021 Audi A4 AllroadWAUZZZF45MA053964
2021 Audi A4 AllroadWAUZZZF47MA049060
2021 Audi A4 AllroadWAUZZZF42MA068177
2021 Audi A4 AllroadWAUZZZF48NA018045
2021 Audi A4 AllroadWA18AAF49MA058781