2017 Audi A4: Reliability Data

Source: NHTSA — 75 complaints
75
Total Complaints
36,500mi
Median Mileage
ENGINE
Top Issue
6
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

23,000 25th Percentile
36,500 Median Mileage
55,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
21
AIR BAGS
13
UNKNOWN OR OTHER
9
ELECTRICAL SYSTEM
6
FUEL/PROPULSION SYSTEM
6
POWER TRAIN
4
STEERING
3
SEATS
3
ENGINE AND ENGINE COOLING
2
SEAT BELTS
2

Severity Assessment

6
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"REAR WINDOW ON DRIVER'S SIDE OF VEHICLE LOWERS ITSELF 6-INCHES AFTER VEHICLE HAS BEEN PARKED AND LOCKED WITH FOB REMOTE. HAS OCCURRED AT LEAST ONCE A MONTH SINCE OWNERSHIP. NO DEALERSHIPS HAVE BEEN ABLE TO REPLICATE THE ISSUE."
"REAR WINDOW ON DRIVER'S SIDE OF VEHICLE LOWERS ITSELF 6-INCHES AFTER VEHICLE HAS BEEN PARKED AND LOCKED WITH FOB REMOTE. HAS OCCURRED AT LEAST ONCE A MONTH SINCE OWNERSHIP. NO DEALERSHIPS HAVE BEEN ABLE TO REPLICATE THE ISSUE."
"COOLANT LEVEL WAS LOW SO TOOK IT INTO THE DEALER. THE THERMOSTAT HOUSING WAS LEAKING COOLANT. *TR"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28