2018 Audi A4 Problems

Below Average Complaints

Real NHTSA owner complaints for the 2018 Audi A4. Part of Generation 5 (B9) — 2017–2025.

20172019
Complaints
36
Crashes
1
Fires
0
Injuries
0
Fatalities
Recalls
2

Worst 2018 Audi A4 Problems

Top 3 most-reported issues with average mileage at failure.

#17 complaints

UNKNOWN OR OTHER

#24 complaints

ELECTRICAL SYSTEM

#34 complaints

POWER TRAIN

Avg mileage:14,000 mi
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All Problems by Category

Every NHTSA complaint category for the 2018 Audi A4.

ComponentComplaintsCrashesFiresAvg MileageVolume
UNKNOWN OR OTHER7
ELECTRICAL SYSTEM4
POWER TRAIN414,000 mi
AIR BAGS3
ENGINE314,000 mi
SERVICE BRAKES3
FORWARD COLLISION AVOIDANCE: WARNINGS2
FUEL/PROPULSION SYSTEM214,000 mi
BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING1
ELECTRICAL SYSTEM:STARTER ASSEMBLY1
ELECTRONIC STABILITY CONTROL (ESC)16,000 mi
ENGINE AND ENGINE COOLING192,000 mi
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING1
STEERING11
STRUCTURE:BODY110,000 mi
SUSPENSION1

Recalls for 2018 Audi A4

2 NHTSA recall campaigns affecting ~416,664 vehicles.

21V874000AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
~208,332 affected

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.

21V874000SEATS
~208,332 affected

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.

Other Audi A4 Years

Wider context: See the full Audi A4 reliability report with year-by-year comparison and generation analysis.

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