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2018 Audi A4 Allroad: common problems

The maker issued 371 service bulletins for this year. Details by component below, with sources.

Key figures

Technical service bulletins (TSB)
371

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Electrical system00107
Structure0045
Equipment0039
Powertrain0032
Suspension0019
Engine0017
Service brakes0015
Steering0012
Engine and cooling007
Fuel/propulsion system007
Wheels007
Visibility006
Air bags004
Exterior lighting003

Comparison

What to check before buying

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

NHTSA lists 371 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 2018 Audi A4 Allroad?

There are no owner complaints in the NHTSA data for this year; the data comes from 371 manufacturer service bulletins.

How many service bulletins (TSB) were issued for the 2018 Audi A4 Allroad?

NHTSA lists 371 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 2018 Audi A4 Allroad 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 2018 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.