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2018 Audi A5 Cabriolet: common problems

The maker issued 719 service bulletins for this year. Details by component below, with sources.

Key figures

Technical service bulletins (TSB)
719

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Equipment00175
Electrical system00168
Structure0077
Service brakes0045
Powertrain0042
Steering0041
Engine and cooling0039
Suspension0039
Visibility0035
Engine0025
Wheels0017
Exterior lighting0015
Seat belts0010
Air bags009

Comparison

What to check before buying

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

NHTSA lists 719 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 A5 Cabriolet?

There are no owner complaints in the NHTSA data for this year; the data comes from 719 manufacturer service bulletins.

How many service bulletins (TSB) were issued for the 2018 Audi A5 Cabriolet?

NHTSA lists 719 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 A5 Cabriolet 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.