AI Damage2018 Audi Q3: common problems
Owners of the 2018 Audi Q3 filed 26 complaints with NHTSA, most often about engine and electrical system. The maker issued 503 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 26
- Technical service bulletins (TSB)
- 503
What fails most often
- 1 Engine 27% of all complaints
- 2 Electrical system 23% of all complaints
- 3 Air bags 15% of all complaints
- 4 Tires 8% of all complaints
- 5 Service brakes 4% of all complaints
- 6 Steering 4% of all complaints
- 7 Powertrain 4% of all complaints
- 8 Wheels 4% of all complaints
- Engine: 7 complaints (27% of all); manufacturer bulletins for this component: 20.
- Electrical system: 6 complaints (23% of all); manufacturer bulletins for this component: 110.
- Air bags: 4 complaints (15% of all); manufacturer bulletins for this component: 6.
- Tires: 2 complaints (8% of all); manufacturer bulletins for this component: 4.
- Service brakes: 1 complaints (4% of all); manufacturer bulletins for this component: 31.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2 L · petrol · turbo · 4 cyl
- automatic, 6-speed
Drive: FWD, AWD
Symptoms owners describe
How many of the 26 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 7 | 0 | 20 |
| Electrical system | 6 | 0 | 110 |
| Air bags | 4 | 0 | 6 |
| Tires | 2 | 0 | 4 |
| Service brakes | 1 | 0 | 31 |
| Steering | 1 | 0 | 24 |
| Powertrain | 1 | 0 | 12 |
| Wheels | 1 | 0 | 10 |
| Fuel system | 1 | 0 | 6 |
| Equipment | 0 | 0 | 136 |
| Structure | 0 | 0 | 45 |
| Engine and cooling | 0 | 0 | 36 |
| Visibility | 0 | 0 | 26 |
| Suspension | 0 | 0 | 18 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
About 1-2 miles away from home, she experienced a strange sound coming from the engine bay, the car lost accelerating power, and the car displayed a warning message that the oil pressure was low and to stop operating the car. The power briefly returned, and she was able to safely return home.
While driving at an undisclosed speed, the contact experienced a blowout. The contact pulled over to the side of the road and replaced the tire. The cause of the failure was not yet determined. However, upon inspection, the contact found a hole the size of a quarter on the tire.
The contact stated while driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. The vehicle was restarted; however, the failure recurred. The vehicle was taken to an independent mechanic where it was diagnosed as a failure with the engine.
Steering wheel clicking and accessories and functions not working along with airbag (malfunction) light illuminated on 2018 Audi Q3 with 66,000 miles.
The entire air conditioning system had to be replaced at the tune of $2422. The car is only 5 1/2 years old and it was not covered under warranty. I have researched this issue online and there are numerous people complaining about this very same issue. Why haven't a recall been campaigned?
We have the issues and the symptoms, such as vibrations under acceleration, highlighted in our common problems section.” Porsche and Audi share vehicle architecture for SUV models.
My car stalled. I could not moved the car. Mobile Mechanic came saw the alternator belt was broke. He repaired the Belt and Alternator. When he started the car, smoke and loud squeal came from engine. He immediately shut it off. The car has less than 60k miles. I have not driven the car as much due to travel.
The contact stated that the air bag warning light was illuminated. The contact was able to control of the vehicle however, the contact was unsure if the air bags would deploy in the event of a crash.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,141 of 2,102 model years in the NHTSA data (among the 46% least complained about).
On average one model year of the Q3 has 15 complaints (12 years in the data). This year has 26, above average.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Tires. Tire age by DOT code, bulges, wear pattern.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This special notice is to inform dealers to return the parts listed if it meets the criteria provided
- This bulletin states that technicians are required to report to the manufacturer when a vehicle has…
This 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.
- This bulletin provides information about billing for a broken sunroof glass panel
- This bulletin provides information about vibrations and rotational steering vibrations
- This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases
- This bulletin provides information for reporting safety related information to the manufacturer
- This bulletin provides infomraiton abou the Audi frequency analysis application, which is available in the…
This bulletin provides infomraiton abou the Audi frequency analysis application, which is available in the App Store for Android and Apple phones.
- This bulletin provides information when the license plate mounting bracket threded inserts are stripped
- This bulletin provides service information regarding exterior glass cleaning
- This bulletin provides information when there is a paint issue on alloy wheels
- This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel
- This bulletin provides information about leather care and seat repair
NHTSA lists 503 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 Q3?
Owner complaints to NHTSA most often mention: engine, electrical system, air bags. Total complaints: 26. The most frequent symptoms in complaint texts: stalls while driving (19%), warning lights, check engine (19%), windows, sunroof (15%).
How many service bulletins (TSB) were issued for the 2018 Audi Q3?
NHTSA lists 503 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 Q3 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.