"How reliable is the 2018 Audi A5?"

"Based on 46 NHTSA complaints, the 2018 Audi A5 has a median complaint mileage of 11500 miles. The most common issue is UNKNOWN OR OTHER."

"What are common problems with the 2018 Audi A5?"

"The most frequently reported component in NHTSA complaints for the 2018 Audi A5 is UNKNOWN OR OTHER, accounting for a significant portion of the 46 total complaints filed."

2018 Audi A5: Reliability Data

Source: NHTSA — 46 complaints

Total Complaints

11,500mi

Median Mileage

UNKNOWN OR OTHER

Top Issue

Crash Reports

When Do Complaints Happen?

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

3,200 25th Percentile

11,500 Median Mileage

52,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER

ENGINE

SERVICE BRAKES

STRUCTURE:BODY

ELECTRICAL SYSTEM

VISIBILITY/WIPER

AIR BAGS

STEERING

POWER TRAIN

EXTERIOR LIGHTING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"CAR WAS IN PARK WITH EMERGENCY BRAKE LIGHT ON. WHEELS TURNED TO THE RIGHT AND TIGHT TO THE CURB. SOMEHOW THE CAR ROLLED DOWN HILL AND STRUCK A TREE. THE VEHICLE WAS TOTALED. THE POLICE TOOK PICTURES OF THE INTERIOR SHOWING BOTH THE IN PARK LIGHT AND THE EMERGENCY BRAKE LIGHT ON. THERE IS NO LOGICAL..."

"VEHICAL SPEEDS FORWARD WHEN TURNING WHEN STEPPING ON BRAKES."

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