2023 Audi A4 Reliability Report
NHTSA data as of Oct 15, 2026Published Oct 19, 2026
Ranks 9th of 24 A4 years we score.
- Owner complaints
- 11
- 1 is a recall notice
- Per 10,000 cars
- 5.9
- 16,925 made for the U.S.
- Vs the average car
- 0.56×
- same age, 1× is average
- Serious outcomes
- 3
- crash, fire, injury, stall or tow
- Recalls
- 1
- NHTSA crash rating
- 5★
- overall, out of 5
Should You Buy the 2023 Audi A4?
Yes, with the usual checks. Our reliability score for the 2023 Audi A4 is 78 out of 100, which rates Good. Owners reported about half as many problems as for the average car of the same age. It ranks 9th of the 24 A4 years we score.
The most reported problem is stalling (3 of 11 complaints). Owners also complain about automatic emergency braking and tires. 3 of the 11 complaints describe a serious outcome, such as a crash, a fire, an injury or stalling while driving.
It has 1 recall. Audi also offers a warranty extension that may still apply, for a problem with the driver assistance systems. NHTSA rates it 5 out of 5 stars overall in crash tests. For comparison, the 2022 scores 75.
Before you buy, check that the recalls were done, ask an Audi dealer about warranty extension AWA-24-04 and get an independent inspection. The full checklist is at the end of this page.
Pros
- Good reliability score of 78
- About half the problems of the average car its age
- Recent complaints at or below average
- No do-not-drive or park-outside recalls
Cons
- Stall (cause not stated)3 complaints
- Automatic emergency braking: hard braking with nothing ahead2 complaints
- Tires: parts breaking or coming apart2 complaints
How the 2023 A4 Earned Its Score
Every model year starts at 100. Each part takes points away when this year has more problems than the average car of the same age. How we score
| Item | Vs average | Points lost |
|---|---|---|
| Starting score | 100 | |
| Serious problems | 0.48× | −7 |
| Everyday problems | 0.75× | −4 |
| Problems in the last two years | 0.55× | −6 |
| Recalls | 0.61× | −5 |
| Score | 78 |
What Owners Report
We read all 11 complaints filed with NHTSA for the 2023 Audi A4, one by one, and grouped them by the problem they describe. The most reported problems come first. A complaint that describes more than one problem is counted under each, so the counts add up to more than 11.
Stall (cause not stated)
3 complaints (27%)
Stalling. All 3 describe a serious outcome, most often stalling or losing power while driving.
Automatic emergency braking: hard braking with nothing ahead
2 complaints (18%)
Hard braking with nothing ahead and the system not working when needed. 1 of these 2 complaints describes a serious outcome: an injury.
Tires: parts breaking or coming apart
2 complaints (18%)
Parts breaking or coming apart and early wear. 1 of these 2 complaints describes a serious outcome.
Reported Once (6)
Show the 6 problems reported once
- Airbag warning light
- Several warning lights at once
- Forward collision warning: the system acting on its own
- Lane keeping assist: the system not working when needed
- Phone and navigation: works on and off
- Unintended acceleration (cause not stated)
How the 2023 Audi A4 Compares With Other Years
The other A4 years of the 5th generation (B9), 2017 to 2025, and the years just before and after it.
| Year | Rating | Score | Vs average | Per 10k cars | Recalls | Most reported problem |
|---|---|---|---|---|---|---|
| 2025 | Not scored | – | – | 9.8 | 0 | – |
| 2024 | Not scored | – | – | 7.0 | 0 | Tires: damage |
| 2023 This year | Good | 78 | 0.56× | 5.9 | 1 | Stall (cause not stated) |
| 2022 | Good | 75 | 0.55× | 7.5 | 3 | – |
| 2021 | Excellent | 80 | 0.45× | 6.6 | 4 | Instrument cluster: stopped working |
| 2020 | Caution | 62 | 4.4× | 146.6 | 4 | Screen and audio: works on and off |
| 2019 | Excellent | 87 | 0.25× | 4.5 | 1 | Automatic emergency braking: hard braking with nothing ahead |
| 2018 | Excellent | 80 | 0.44× | 12.1 | 4 | Automatic emergency braking: hard braking with nothing ahead |
| 2017 | Excellent | 85 | 0.39× | 13.7 | 6 | Cooling system: a leak |
| 2016 | Excellent | 86 | 0.38× | 11.2 | 3 | Steering: locking up |
2023 Audi A4 Recalls
One recall covers the 2023 Audi A4. It was issued in April 2024: “Front Passenger Air Bag May Deactivate.” A VIN check at NHTSA shows whether it is still open on a given car.
Front Passenger Air Bag May Deactivate
A deactivated front passenger air bag will not deploy during a crash, increasing the risk of injury.
NHTSA 24V251000Recall report (PDF)Owner letter (PDF)Issued Apr 3, 2024. By the first quarter of 2026, 91% of the cars in this recall had been fixed.
2023 Audi A4 Warranty Extensions and Programs
Audi has one warranty extension for the 2023 Audi A4, separate from its recalls. It is for a problem with the driver assistance systems. Whether one applies to a car depends on its VIN, which an Audi dealer can check.
- Warranty extensionAudi AWA-24-04
Automatic emergency braking system faults
- The problem:
- The automatic emergency braking, or AEB, system can malfunction when its control unit, a camera, the LIDAR or a sensor fails.
- The fix:
- An Audi dealer repairs the AEB fault and Audi pays 75 percent of the cost. Damage from crashes, impacts, moved sensors or weather is not covered.
- Who qualifies:
- Certain Audis covered by the settlement, with a confirmed fault in the AEB control unit, cameras, LIDAR or sensors. If the new car warranty's time ran out by May 16, 2024, the extension's time limit was November 16, 2024.
- Coverage:
- Up to 12 months or 12,000 miles after the new car warranty ends. Ask an Audi dealer for the exact terms.
NHTSA Crash Test Ratings
NHTSA 5-Star Safety Ratings for this model year. See the 2023 A4 ratings on NHTSA.gov.
4-door AWD
allroad AWD
S4 4-door AWD
Check Before You Buy
A checklist for the 2023 A4, from its recall, an Audi warranty extension that may still apply and the problems owners report most.
Confirm the Recalls Were Done
Ask the seller for proof that each of these recalls was repaired.
- Front Passenger Air Bag May Deactivate NHTSA 24V251000
Ask an Audi Dealer
Ask whether this warranty extension applies to this VIN, and whether the work was done.
- AWA-24-04: automatic emergency braking system faults
On the Test Drive
- Drive long enough to warm up fully, including at highway speed, and note any stalling or loss of power.
- Watch for sudden braking or steering with nothing ahead, and ask whether the driver-assist software updates were done.
- Look for uneven tire wear and listen for clunks or humming that changes with speed.
Ask the Seller
Ask whether any of these were ever repaired, and ask to see the receipts.
- Stalling
- Automatic emergency braking
- Tires
- Also ask for the service records, especially oil changes.
Before You Pay
- Get an independent pre-purchase inspection from a mechanic you choose.
- Decode the VIN to confirm the model year, engine and trim.
- Check the title for salvage, flood or rebuilt branding.
What to do next