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2021 Audi A5 Sportback: common problems

The maker issued 471 service bulletins for this year. Details by component below, with sources.

Key figures

Technical service bulletins (TSB)
471

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Electrical system00183
Structure0065
Powertrain0039
Engine0027
Suspension0018
Steering0016
Service brakes0012
Fuel/propulsion system0011
Visibility0011
Wheels0010
Air bags003
Equipment002
Exterior lighting001
Lane departure001

Comparison

What to check before buying

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

NHTSA lists 471 bulletins for this year; the 12 newest are shown here.

Other years of this model

Questions and answers

What are the most common problems with the 2021 Audi A5 Sportback?

There are no owner complaints in the NHTSA data for this year; the data comes from 471 manufacturer service bulletins.

How many service bulletins (TSB) were issued for the 2021 Audi A5 Sportback?

NHTSA lists 471 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2021 Audi A5 Sportback from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2021 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.