Head-to-head reliability
AUDI A4 vs AUDI Q5
How the AUDI A4 and AUDI Q5 compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.
Based on NHTSA owner-complaint & recall records
AUDI A4 vs AUDI Q5: The A4 averages 29.7 complaints per year with 14 recalls, while the Q5 averages 50.1 complaints per year with 44 recalls. The Q5 also has more crash-related complaints (29 vs 10) and injuries (26 vs 4). Both show electrical and engine issues, but the Q5's higher counts suggest more frequent problems. Source: NHTSA owner complaints.
The picture
Is the AUDI A4 or AUDI Q5 more reliable?
A plain-English read on what the NHTSA record says about living with each vehicle.
AUDI A4
The Audi A4 is a compact luxury sedan that averages about 30 complaints per year over the past decade, with 14 recalls. Owners most often report electrical glitches, such as infotainment and lighting problems, and transmission shuddering or jerking. Back-over prevention issues, like rearview cameras failing intermittently, also appear. While the A4 has fewer complaints than the Q5, it still requires attention to electrical and drivetrain health.
AUDI Q5
The Audi Q5 is a compact luxury SUV with roughly 50 complaints per year and 44 recalls over ten years. Electrical system failures, including electronic parking brake and complete electrical shutdowns, are frequently reported. Engine problems range from smoke to sudden power loss, and forward collision avoidance systems sometimes activate erroneously. The Q5's higher complaint and recall counts suggest a more complex ownership experience.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | AUDI A4 | AUDI Q5 |
|---|---|---|
| Total complaintsAll model years combined | 297 Better | 501 |
| Safety recallsFederal recall campaigns | 14 Better | 44 |
| Crash reportsCrash-related complaints | 10 Better | 29 |
| Complaints per yearAveraged across model years | 29.7 Better | 50.1 |
| Reported injuriesTied to owner complaints | 4 Better | 26 |
Source: NHTSA owner complaints & recall records.
What actually goes wrong
The problems owners report
The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.
AUDI A4
- 01ELECTRICAL SYSTEM128
- 02UNKNOWN OR OTHER100
- 03BACK OVER PREVENTION46
- 04ENGINE37
- 05AIR BAGS34
Owners report issues like infotainment screen glitches, lighting malfunctions, and error messages for parking aids. These can be intermittent and frustrating, often requiring dealer visits to diagnose.
Complaints include transmission shuddering, jerking on acceleration, and abnormal engine noises like screeching. Some owners experience rough running and higher RPMs, indicating potential drivetrain problems.
The rearview camera may fail to engage when shifting into reverse, or display glitchy lines. This reduces visibility while backing up, increasing the risk of low-speed collisions.
There are 34 complaints related to air bags, including occupant classification sensor issues. A faulty sensor could prevent air bags from deploying correctly in a crash.
“I purchased a 2024 Audi A4 with 20 miles as a birthday present for my son on 12/20/2023 for $45,028.81 cash, plus traded my son’s 2012 BMW 328i with 22,000 miles and they applied $8,500.00 credit. This is an Atlanta, Georgia Audi dealership. My son drove the…”
“Owner of 2019 A4 recently purchased from dealership after lease expired in Feb.2023. Currently with only 36,800 miles, took vehicle to inspect on Nov.24th and nothing but a front light replacement and suggestion of new tires in inspection video. The factory w…”
AUDI Q5
- 01ELECTRICAL SYSTEM155
- 02ENGINE94
- 03FORWARD COLLISION AVOIDANCE87
- 04UNKNOWN OR OTHER75
- 05SERVICE BRAKES57
Owners report electronic parking brake failures, complete electrical shutdowns, and warning lights flashing randomly. These issues can leave the vehicle undrivable or cause safety hazards.
Complaints include smoke billowing from the engine compartment, sudden power loss, and limp mode activation. These can happen without warning and pose a risk of stalling or fire.
The Pre-Sense system may activate erroneously, such as braking unexpectedly. This can startle the driver and potentially cause a collision if it happens at speed.
With 57 complaints, brake issues may include premature wear or malfunction. Owners might experience reduced braking performance, which is critical for safety.
“CORRECTION to NHTSA COMPLAINT #11745968 The Electronic Parking Brake (EPB) did not disengage when the vehicle was placed in gear from P to R to D while/after parked in an incline postion (see DTCs -Bozeman Audi invoice, 6/23/26). The EPB is designed to diseng…”
“The vehicle exhibits multiple, unresolved safety-critical defects across software and mechanical systems that create an unpredictable and dangerous driving environment. Despite multiple repair attempts, the manufacturer has failed to certify the vehicle as sa…”
Official recalls
Safety recalls on record
Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.
AUDI A4 — 14 recalls
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passen…
The risk: A disabled passenger air bag increases the risk of injury in the event of a crash.
The fix: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number fo…
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A8 and S8, 2022 Audi A5 Sportback, A4 Sedan, E-Tron GT, Q3, Q5, RS6 Avant, A3 Sedan, S5 Sportback, Q5 Sportback, Q7, Q8, RSQ8, SQ7, SQ8, and S3 Sedan vehicles. A software error may prevent the rear-view image from initially dis…
The risk: A rear-view camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.
The fix: Dealers will update the infotainment unit parameters, free of charge. Owner notification letters were mailed November 9, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 91CR.
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2022 Audi A6 Sedan, A4 Sedan, Q5, and Q5 Sportback vehicles. The semiconductor inside the engine control unit may short-circuit and cause an engine stall.
The risk: An engine stall can increase the risk of a crash.
The fix: Dealers will replace the engine control unit, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 24iH.
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 AUDI A8, A6 Allroad, E-TRON Quattro, 2022 S3, RSQ8, RS7, RS6 Avant, Q8, Q7, Q3, E-TRON Sportback Quattro, S5 Cabriolet, E-TRON GT, S5 Sportback, A7, A6, A5 Sportback, A5 Cabriolet, A4, A4 Allroad, A3, S8, SQ7, SQ8, S6, and S4 v…
The risk: An inoperative rearview camera display reduces the driver's rear visibility, increasing the risk of a crash.
The fix: Dealers will replace the infotainment main unit, free of charge. Owner notification letters were mailed June 6, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Audi's number for this recall is 91Ei.
AUDI Q5 — 44 recalls
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2022-2024 RS e-tron GT, e-tron GT, Q4 e-tron Sportback, Q4 e-tron, 2020-2021 Audi A8, 2019-2024 e-tron Quattro, 2020-2024 e-tron Sportback Quattro, Q5, and 2021-2022 A7 vehicles. When using the industrial 220V/240V plug at the 100% charg…
The risk: An overheated outlet or charging cable can increase the risk of a fire.
The fix: Owners are advised not to use the 220V/240V compact/portable charging cable and only use the 110V home charging cable or public charging stations. Dealers will supply a new 220V/240V compact/portable charging cable with an incorporated tem…
The defect: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021-2024 Audi Q5, and 2022 A7 E Hybrid Electric PHEV vehicles. The high-voltage battery may overheat.
The risk: A high-voltage battery that overheats increases the risk of a fire.
The fix: Dealers will install advanced diagnostic software , free of charge. Volkswagen will monitor available online vehicle data and contact owners as necessary, to advise them not to charge the vehicle until the battery can be replaced. For vehi…
The defect: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021-2024 Audi Q5, and 2022 A7 E Hybrid Electric PHEV vehicles. The high-voltage battery may overheat.
The risk: A high-voltage battery that overheats increases the risk of a fire.
The fix: Dealers will install advanced diagnostic software , free of charge. Volkswagen will monitor available online vehicle data and contact owners as necessary, to advise them not to charge the vehicle until the battery can be replaced. For vehi…
The defect: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021-2024 Audi Q5, and 2022 A7 E Hybrid Electric PHEV vehicles. The high-voltage battery may overheat.
The risk: A high-voltage battery that overheats increases the risk of a fire.
The fix: Dealers will install advanced diagnostic software , free of charge. Volkswagen will monitor available online vehicle data and contact owners as necessary, to advise them not to charge the vehicle until the battery can be replaced. For vehi…
Buyer analysis
AUDI A4 or AUDI Q5: which should you buy?
The Audi A4 has fewer issues per year (about 30 complaints) compared to the Q5 (about 50 complaints). The Q5 also has more than triple the recalls and significantly more crash-related complaints and injuries. In practice, the A4 may be less likely to require frequent repairs, but both models demand careful inspection before purchase.
Key differences
- The Q5 has 501 complaints over 10 years versus 297 for the A4, indicating more owner-reported problems.
- Electrical system complaints are the top category for both, but Q5 owners report more severe issues like complete electrical failure and electronic parking brake malfunctions.
- The Q5 has 44 recalls compared to 14 for the A4, covering areas like traction batteries and engine components.
- Forward collision avoidance is a top complaint area for the Q5 (87 complaints) but not for the A4, where back-over prevention is more common.
- Check the rearview camera operation when shifting into reverse; look for intermittent failure or glitchy display.
- Listen for transmission shuddering or jerking during test drive, especially at low speeds or during acceleration.
- Test the electronic parking brake engagement and release, especially on inclines; ensure it disengages properly when shifting gears.
- Watch for smoke or unusual smells from the engine compartment, and check for any history of sudden power loss or limp mode.
Before you buy
- Obtain a vehicle history report and confirm all recalls have been performed.
- Have a pre-purchase inspection by a mechanic familiar with Audi models, focusing on electrical and transmission systems.
- Scan for stored diagnostic trouble codes, especially for transmission, parking brake, and forward collision systems.
- Test all electronic features: infotainment, cameras, parking sensors, and driver-assist systems.
- During test drive, listen for engine noises, feel for transmission jerks, and check for unexpected braking or warnings.
Year by year
Which model years to avoid
Complaints per model year for both vehicles — lower is better. The spikes are the years to scrutinize.
| Year | AUDI A4 | AUDI Q5 |
|---|---|---|
| 2025 | 1 | 42 |
| 2024 | 2 | 20 |
| 2023 | 1 | 36 |
| 2022 | 0 | 0 |
| 2021 | 11 | 74 |
| 2020 | 127 | 25 |
| 2019 | 5 | 52 |
| 2018 | 42 | 207 |
| 2017 | 82 | 42 |
Check the actual car
Comparing models is smart. Checking the VIN is essential.
Brand averages tell you the trend. A VIN check tells you what's wrong with the specific AUDI A4 or AUDI Q5 in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- AUDI A4 vs AUDI Q5
- AUDI A4 total complaints
- 297
- AUDI Q5 total complaints
- 501
- AUDI A4 total recalls
- 14
- AUDI Q5 total recalls
- 44
- AUDI A4 avg complaints/year
- 29.7
- AUDI Q5 avg complaints/year
- 50.1
- More reliable overall
- AUDI A4
- AUDI A4 top complaint area
- ELECTRICAL SYSTEM
- AUDI Q5 top complaint area
- ELECTRICAL SYSTEM