We wouldn’t strip your car-aficionado credentials if you failed to spot the new Audi A4 for what it is: a thoroughly redesigned car. Although the ninth-generation A4 looks eerily familiar to the last version, it actually rides on a new platform with reworked powertrain and suspension. In the sports sedan tug-of-war among Audi, BMW and Mercedes-Benz, the A4 now prevails over its peers.
Alerts
There are 3 recalls on this vehicle. Learn More.

Reliability

Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey, our reliability history charts give you a rundown on how used vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system.

Overall Reliability
Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot
The 2018 Audi A4 has been recalled 3 times by NHTSA. View Recalls
Research Years *Redesign year
Worse Better
00
01
02*
03
04
05
06
07
08
09*
10
11
12
13
14
15
16
17*
18
19
Overall Reliability Verdict
NA
NA
NA
NA
NA
NA
Potential Trouble Spots
Engine Major
NA
NA
NA
NA
NA
NA
Engine Minor
NA
NA
NA
NA
NA
NA
Engine Cooling
NA
NA
NA
NA
NA
NA
Transmission Major
NA
NA
NA
NA
NA
NA
Transmission Minor
NA
NA
NA
NA
NA
NA
Drive System
NA
NA
NA
NA
NA
NA
Fuel System
NA
NA
NA
NA
NA
NA
Electric System
NA
NA
NA
NA
NA
NA
Climate System
NA
NA
NA
NA
NA
NA
Suspension
NA
NA
NA
NA
NA
NA
Brakes
NA
NA
NA
NA
NA
NA
Exhaust
NA
NA
NA
NA
NA
NA
Paint/Trim
NA
NA
NA
NA
NA
NA
Body Integrity
NA
NA
NA
NA
NA
NA
Body Hardware
NA
NA
NA
NA
NA
NA
Power Equipment
NA
NA
NA
NA
NA
NA
In-car Electronics
NA
NA
NA
NA
NA
NA
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 420,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2019 vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system. NA indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.

Learn more about car Reliability.

Owner Reported Trouble Spots

The Reliability score is based on our latest subscriber survey of 2018 Audi A4 owners. The owner comments describe problems respondents experienced with this vehicle.

Engine Minor

Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks.

Engine Major

Engine rebuild or replacement, cylinder head, head gasket, turbo or supercharger, timing chain or timing belt.

Transmission Minor

Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.

Climate System

Blower (fan) motor, A/C compressor, condenser, evaporator, heater system, automatic climate control, refrigerant leakage, electrical failure.

Fuel System

Check engine light, sensors (includes O2 or oxygen sensor), emission control devices (includes EGR), engine computer, engine computer, fuel cap, fuel gauge/sender, fuel injection system, fuel pump, fuel leaks, stalling or hesitation.

In-car Electronics

CD or DVD players, radio, speakers, GPS, communication system (e.g., OnStar), display screen freezes or goes blank, phone pairing (e.g. Bluetooth), voice control commands, steering wheel controls, portable music device interface (e.g., iPod/MP3 player), backup or other camera/sensors.

Electric System

Alternator, starter, hybrid battery and related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, distributor or rotor failure, spark plugs and wires failure.

Paint/Trim

Paint (fading, chalking, cracking, or peeling), loose interior and exterior trim or moldings, rust.

Body Hardware

Power or manual windows, locks and latches, tailgate, hatch or trunk, doors or sliding doors, mirrors, seat controls, safety belts, sunroof, convertible top.

Suspension

Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.

Power Equipment

Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, remote engine start, alarm or security system

Engine Cooling

Radiator, cooling fan, antifreeze leaks, water pump, thermostat, overheating.

Brakes

Antilock system (ABS), parking brake, master cylinder, calipers, rotors, pulsation or vibration, squeaking, brake failure or wear.

Exhaust

Muffler, pipes, catalytic converter, exhaust manifold, leaks.

Body Integrity

Squeaks, rattles, wind noises, loose or cracked seals and/or weather-stripping, air and water leaks.

Drive System

Driveshaft or axle, CV joint, differential, transfer case, 4WD/AWD components, driveline vibration, traction control, electronic stability control (ESC), electrical failure.

Compare 2018 Models

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This score shows whether the model had more or fewer problems overall than the average model of that year, calculated from the total number of problems reported by subscribers in all 17 trouble spots.
Recalls
PROVIDED BY
AIR BAGS: OCCUPANT CLASSIFICATION SYSTEM - OCS (FRONT PASSENGER)
Jul 24 2019
A disabled passenger air bag increases the risk of injury in the event of a crash.
Summary:
Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles. Oxidation on the Passenger Occupant Detection System (PODS) connecting cable may cause the software to misdiagnose a malfunction and disable the passenger air bag.
What should you do:
Audi will notify owners, and dealers will install cable ties to the harness, free of charge. The recall began September 9, 2019. Owners may contact Volkswagen customer service at 1-800-893-5298. Audi's number for this recall is 74D9.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 19V547000
Potential Number of Units Affected: 145337
AIR BAGS:PASSENGER SIDE FRONTAL
Nov 27 2018
If the air bag does not deploy correctly in the event of a crash, it can increase the risk of an injury.
Summary:
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi A5 Sportback and 2017-2018 Audi A4 Allroad vehicles. A passenger air bag module mounting screw may not have been sufficiently tightened, possibly affecting the deployment of the air bag in the event of a crash.
What should you do:
Volkswagen will notify owners, and dealers will inspect the air bag mounting screw, tightening or replacing it as necessary, free of charge. The recall began December 19, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69Y4.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 18V836000
Potential Number of Units Affected: 12
STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
Oct 25 2017
The sharp edges of the speaker trim increase the risk of injury to vehicle occupants.
Summary:
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017-2018 Audi A4 Sedan and A4 allroad, and 2018 A5 Sportback vehicles. The aluminum trim on the front and rear doors can come loose from around the door speakers, leaving sharp edges exposed.
What should you do:
Audi will notify owners, and dealers will replace the speaker cover aluminum trim, free of charge. The recall began March 13, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 70G6.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 17V675000
Potential Number of Units Affected: 31323
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