Head-to-head reliability
AUDI A4 vs AUDI Q7
How the AUDI A4 and AUDI Q7 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 Q7: The A4 averages about 30 complaints per year with 14 recalls, while the Q7 averages about 65 complaints per year with 40 recalls. The Q7 also has more crash-related complaints (20 vs. 10) and injuries (21 vs. 4). Source: NHTSA owner complaints.
The picture
Is the AUDI A4 or AUDI Q7 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 owner complaints per year over the last decade, with 14 recalls. The most common trouble spots are electrical gremlins, vague 'unknown' faults that often turn out to be transmission or engine electronics, and backup camera failures. Owners describe intermittent problems that can be frustrating to diagnose, but the overall complaint volume is moderate for a luxury car.
AUDI Q7
The Audi Q7 is a three-row luxury SUV that generates roughly 65 complaints per year, more than double the A4, along with 40 recalls. Owners frequently report exterior lighting failures, electrical shutdowns, engine coolant leaks, and suspension noises. The higher complaint and recall counts suggest the Q7 demands more attention and repair visits over time.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | AUDI A4 | AUDI Q7 |
|---|---|---|
| Total complaintsAll model years combined | 297 Better | 646 |
| Safety recallsFederal recall campaigns | 14 Better | 40 |
| Crash reportsCrash-related complaints | 10 Better | 20 |
| Complaints per yearAveraged across model years | 29.7 Better | 64.6 |
| Reported injuriesTied to owner complaints | 4 Better | 21 |
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 a range of electrical issues, from warning lights and infotainment glitches to more serious faults. One owner of a 2019 A4 had a front light replacement and later faced transmission electronics faults, showing how electrical problems can cascade.
Many complaints fall into this catch-all, often describing transmission shuddering, jerking on acceleration, and abnormal engine noises. A diagnostic scan on one A4 showed a transmission fluid pressure sensor fault, which can lead to rough shifting and expensive repairs.
Rear-view cameras intermittently fail to engage when shifting into reverse, and when they do work, the image may show glitch lines. Owners also report 'front parking aid malfunction' messages, which can affect parking confidence.
Engine complaints include screeching noises, rough running, and jerking on acceleration. Some owners report these symptoms at low mileage, suggesting potential early wear or sensor issues that a buyer should have checked.
“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 Q7
- 01EXTERIOR LIGHTING160
- 02ELECTRICAL SYSTEM136
- 03ENGINE131
- 04UNKNOWN OR OTHER75
- 05SUSPENSION60
Matrix adaptive headlights may not function as intended, reducing night visibility. Owners complain that the advanced lighting features fail, leaving them with less effective illumination than expected.
A 2020 Q7 experienced a complete electrical failure at highway speeds due to a belt starter generator (BSG) malfunction. Even after replacement, owners report recurring electrical faults, which can be dangerous and costly.
Owners of the 3.0L turbo V6 report systemic coolant leaks, which can lead to overheating and engine damage. One owner also noted increased oil consumption and loud engine noises after a BSG replacement.
Suspension complaints are common, often involving noises, uneven tire wear, or a harsh ride. These issues can affect handling and comfort, and repairs may be expensive on a luxury SUV.
“Matrix adaptive headlights are not working. Night driving with increased adoption of LED headlights become challenging due to high glare level and associated temporary vision sensitivity reduction, I was hoping that matrix adaptive headlights will improve thi…”
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 Q7 — 40 recalls
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2020 Audi Q7 vehicles. The padding on the vehicle's C-pillar may not absorb enough impact in the event of a crash.
The risk: In the event of a crash, an unbelted occupant's head may impact the vehicle's C-pillar padding, increasing the risk of injury.
The fix: Audi will notify owners, and dealers will replace the deformation element on the C-pillars, free of charge. The recall began November 17, 2020. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 70…
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2021 Audi Q7 vehicles. The air bag control module may deploy the second stage of the front passenger air bag too quickly after the first stage when the seat is occupied by an unbelted child. As such, these vehicles fail to comply wi…
The risk: During a crash necessitating the deployment of the passenger air bag, the second stage may deploy too quickly when a child is in the front passenger seat, increasing the risk of injury.
The fix: Audi will notify owners, and dealers will update the air bag control module, free of charge. The recall began March 5, 2021. Owners can contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 69BV.
The defect: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019-2021 Audi Q8, and 2020-2021 Audi Q7 vehicles. A component inside the fuel pump may break, causing the fuel pump to fail.
The risk: Fuel pump failure can cause an engine stall, increasing the risk of a crash.
The fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed December 22, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Audi's number for this recall is 20DR.
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2020 Q7 vehicles. Incompatibility between the front camera control software and the heating element used for the front camera on the windshield may cause the heating element to overheat.
The risk: An overheated heating element can increase the risk of a fire.
The fix: Dealers will update the control software and replace the heater element for the front camera, free of charge. Owner notification letters are expected to be mailed May 26, 2023. Owners may contact Audi's customer service at 1-800-253-2834.…
Buyer analysis
AUDI A4 or AUDI Q7: which should you buy?
The Audi A4 has far fewer complaints per year (about 30) compared to the Q7 (about 65), and fewer recalls (14 vs. 40). In practice, the A4 is likely to spend less time in the shop for major electrical or engine problems, while the Q7's larger size and complexity bring more frequent and varied issues.
Key differences
- The Q7 has more than double the annual complaint rate of the A4, with electrical and engine issues being especially prominent.
- Q7 owners report serious safety-related failures like complete electrical shutdown at highway speeds, while A4 complaints are more often intermittent annoyances.
- The A4's top issues are electrical and backup camera problems; the Q7 adds exterior lighting and suspension to the list.
- Recalls are much higher on the Q7 (40 vs. 14), covering areas like fuel pumps and air bag software, meaning more potential trips to the dealer.
- Check for transmission shuddering or jerking during a test drive, especially at low speeds, as owners report these symptoms linked to transmission electronics faults.
- Test the rear-view camera and parking sensors thoroughly; intermittent failures and glitchy images are common complaints.
- Listen for coolant leaks or low coolant warning lights, and check for sweet smells or puddles, as 3.0L V6 engines are reported to leak coolant.
- Test all electrical functions, including lights, infotainment, and starting, because belt starter generator failures can cause sudden electrical shutdowns.
Before you buy
- Obtain a full vehicle history report and confirm all recalls have been performed, especially for the Q7's fuel pump and air bag software recalls.
- Have a pre-purchase inspection by an independent Audi specialist, focusing on electrical systems, transmission behavior, and engine coolant leaks.
- During a test drive, deliberately test the backup camera, parking aids, and all lighting functions, including adaptive headlights on the Q7.
- Ask for maintenance records showing regular oil changes and any transmission or electrical repairs, as these cars can be sensitive to neglect.
- Consider a third-party extended warranty, especially for the Q7, given the higher likelihood of costly electrical and engine repairs.
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 Q7 |
|---|---|---|
| 2025 | 1 | 16 |
| 2024 | 2 | 2 |
| 2023 | 1 | 0 |
| 2022 | 0 | 0 |
| 2021 | 11 | 75 |
| 2020 | 127 | 28 |
| 2019 | 5 | 62 |
| 2018 | 42 | 143 |
| 2017 | 82 | 319 |
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 Q7 in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- AUDI A4 vs AUDI Q7
- AUDI A4 total complaints
- 297
- AUDI Q7 total complaints
- 646
- AUDI A4 total recalls
- 14
- AUDI Q7 total recalls
- 40
- AUDI A4 avg complaints/year
- 29.7
- AUDI Q7 avg complaints/year
- 64.6
- More reliable overall
- AUDI A4
- AUDI A4 top complaint area
- ELECTRICAL SYSTEM
- AUDI Q7 top complaint area
- EXTERIOR LIGHTING