Fuel System/Emissions
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
The 2013 A4 is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2013 Audi A4 owners. The owner comments describe problems respondents experienced with this vehicle.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
""Rubber cover around joint somehow tore. This exposed the joint to moisture, road dust, etc. Eventually the bearing wore out and was making a buzzing sound. Mechanic had to replace the entire part. Cost around $1600.""
Anonymous, CA (2013 Audi A4 2.0T 2.0-L 4 Cyl turbo)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
""The rear main seal started leaking a lot of oil. Also, the front of the engine is showing signs of oil leakage.""
Anonymous A., IL (2013 Audi A4 2.0T 2.0-L 4 Cyl turbo)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
""The engine started to sputter and had no acceleration due to the seal between the engine and transmission, causing the fuel mixture to be too rich.""
Anonymous A., IL (2013 Audi A4 2.0T 2.0-L 4 Cyl turbo)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
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.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
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, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
""Car would have issues starting as the valves would be stuck open flooding gas and choking the start. $1,700 in repairs but issue still occurs sporadically when car is warm. Hitting gas right as you start gets it started before it chokes.""
Anonymous, FL (2013 Audi A4 2.0T 2.0-L 4 Cyl turbo)