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#BS-2018-AUDA4-60B42018 Audi A4Problems, Recalls & Reliability
Based on reports from 81 owners and 1 recall for this exact model.
Data updated ·NHTSA complaints through October 19, 2026
Preliminary Verdict
Think Twice
Based on 81 complaints, 1 crashes, 0 fires, and 1 recalls. Complaint rate is 2.1x the class average.
Top reported problems
severe hesitation when accelerating from a dead stop
2 complaints • Severity 10/10
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Mechanic Inspection Checklist
16 owners reported electrical issues — failures commonly reported around 14K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Electrical (16 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2018 Audi A4: Known Issues & Problem Areas
Electrical Issues
Electrical complaints account for 20% of all reports filed for the 2018 Audi A4, with 16 owners filing complaints with NHTSA. The median mileage at time of complaint is 14,000 miles, suggesting issues tend to surface around the 14K-mile mark.
Fuel System Issues
Fuel System complaints account for 7% of all reports filed for the 2018 Audi A4, with 6 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Structure:body Issues
Structure:body complaints account for 7% of all reports filed for the 2018 Audi A4, with 6 owners filing complaints with NHTSA. Owners should pay attention to structure:body-related symptoms during test drives and pre-purchase inspections.
Engine Issues
Engine complaints account for 7% of all reports filed for the 2018 Audi A4, with 6 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2018 Audi A4. Recent trend: increasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (1 recall)
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
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 Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
2018 Audi A4 NHTSA Safety Ratings
Overall
★★★★★5 of 5 stars
Frontal crash
★★★★★4 of 5 stars
Side crash
★★★★★5 of 5 stars
Rollover
★★★★★5 of 5 stars
From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.
The worst model year for the Audi A4 is the 2011 — worth knowing if you're cross-shopping years. The biggest problem area is engine.
2018 Audi A4 vs. Class Average (Compact Cars)
This vehicle
81
Class avg
39
2.1x the class average — significantly more complaints than typical compact cars vehicles.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 81 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 1 recall found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Last updated . NHTSA complaints received through October 19, 2026; safety ratings from NHTSA's 5-Star program.
Other Audi A4 Model Years
2018 Audi A4: Frequently Asked Questions
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Get the Full 2018 Audi A4 Report
10 sections of AI analysis based on 81 owner reports. Know before you buy.