Audi A4: best & worst years

Here is every Audi A4 model year we cover (2005–2024), ranked by our reliability verdict, with the owner-reported problems behind each one.

Every Audi A4 year, ranked

YearVerdictScoreTop owner-reported problems
2024 Caution 7 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2023 Caution 7 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2022 Caution 7 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2021 Caution 7 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2020 Caution 7 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2019 Caution 6 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2018 Caution 6 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2017 Caution 6 Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.; Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.; MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions. Full report ↗
2016 Caution 6 Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.; Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.; Electromechanical steering-rack failures causing loss of power assist or steering warning messages. Full report ↗
2015 Caution 6 Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.; Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.; Electromechanical steering-rack failures causing loss of power assist or steering warning messages. Full report ↗
2013 Caution 6 Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.; Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.; Electromechanical steering-rack failures causing loss of power assist or steering warning messages. Full report ↗
2014 Caution 5 Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.; Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.; Electromechanical steering-rack failures causing loss of power assist or steering warning messages. Full report ↗
2012 Caution 5 Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.; Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.; Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage. Full report ↗
2008 Caution 5 Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.; Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.; Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided. Full report ↗
2007 Caution 5 Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.; Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.; Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided. Full report ↗
2006 Caution 5 Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.; Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.; Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided. Full report ↗
2005 Caution 5 Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.; Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.; Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided. Full report ↗
2011 Caution 4 Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.; Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.; Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage. Full report ↗
2010 Caution 4 Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.; Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.; Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage. Full report ↗
2009 Caution 4 Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.; Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.; Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage. Full report ↗

Audi A4 problems by year

2024 Audi A4 Caution

Modern, refined B9 sedan with strong reviews and quattro grip; coolant/water-pump leaks and occasional MMI glitches are the main gripes, and premium-brand upkeep keeps running costs high.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2023 Audi A4 Caution

Polished late-B9 A4 that reviews well; watch for cooling-system leaks and infotainment quirks, and budget for above-average luxury maintenance.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2022 Audi A4 Caution

Refined, well-equipped B9 with few reported faults beyond cooling-system leaks; expensive out-of-warranty repairs are the main caveat.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2021 Audi A4 Caution

Solid facelifted B9 A4; a cluster of instrument-cluster/electrical complaints and premium upkeep costs warrant a thorough pre-purchase check.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2020 Audi A4 Caution

Facelifted B9 with updated tech and strong driving manners; cooling-system leaks and pricey dealer service are the things to plan for.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2019 Audi A4 Caution

Capable pre-facelift B9; coolant leaks and MMI/electrical glitches show up, and insurance plus maintenance run high for the class.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2018 Audi A4 Caution

Refined B9 A4 with water-pump leaks around 50k miles and assorted MMI/electrical and forward-collision complaints; otherwise a strong drive.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2017 Audi A4 Caution

First B9 model year: praised cabin and handling, but coolant/thermostat leaks and passenger-airbag (PODS) faults are common, inspect carefully.

  • Coolant leaks from the thermostat housing and water pump are commonly reported; if neglected they can cause overheating and engine damage.
  • Passenger occupant-detection (airbag) system faults and airbag warning lights, sometimes deactivating the front passenger airbag.
  • MMI infotainment and electrical glitches such as backup-camera dropouts, Bluetooth faults, and instrument-cluster malfunctions.

2016 Audi A4 Caution

Final B8.5 year and one of the better B8-era buys; oil consumption is much reduced versus early cars, though parts and upkeep stay costly.

  • Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.
  • Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.
  • Electromechanical steering-rack failures causing loss of power assist or steering warning messages.

2015 Audi A4 Caution

Late B8.5 with the revised engine; many owners report oil consumption largely resolved, making documented 2013-2015 cars the sweet spot of the generation.

  • Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.
  • Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.
  • Electromechanical steering-rack failures causing loss of power assist or steering warning messages.

2014 Audi A4 Caution

B8.5 A4 that still draws engine (oil-consumption) and electromechanical steering-rack complaints; a documented service history matters a lot.

  • Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.
  • Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.
  • Electromechanical steering-rack failures causing loss of power assist or steering warning messages.

2013 Audi A4 Caution

First B8.5 facelift year with revised pistons/rings that cut the early oil-consumption problem; a relatively sound used pick within the B8 family.

  • Timing-chain tensioner wear can cause cold-start rattle; outright failure risks major engine damage.
  • Some 2.0T engines still use oil between changes, though the 2013 piston/ring revision reduced this versus 2009-2012 cars.
  • Electromechanical steering-rack failures causing loss of power assist or steering warning messages.

2012 Audi A4 Caution

Late pre-facelift B8; 2.0T oil consumption and timing-chain tensioner risk persist, so verify oil-usage and tensioner service before buying.

  • Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.
  • Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.
  • Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage.

2011 Audi A4 Caution

Pre-facelift B8 with widespread excessive oil consumption and timing-chain tensioner failures that can wreck the engine, high-risk without strong documentation.

  • Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.
  • Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.
  • Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage.

2010 Audi A4 Caution

B8 2.0T from the worst oil-consumption window; engine top-ups and tensioner failures are common, so inspect thoroughly and budget for repairs.

  • Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.
  • Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.
  • Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage.

2009 Audi A4 Caution

First B8 year with the weakest reliability reputation: heavy oil consumption, timing-chain failures, and a Takata airbag recall, buy only with proof of remedial work.

  • Takata passenger airbag inflator recall; many owners reported long delays obtaining replacement parts.
  • Excessive oil consumption from worn piston rings on the 2.0T TFSI is the signature defect of 2009-2012 cars, often needing frequent top-ups or ring/piston replacement.
  • Timing-chain tensioner failure, sometimes shortly after oil-consumption repairs, can lead to catastrophic engine damage.

2008 Audi A4 Caution

Most sorted B7 year; engine niggles eased versus 2006-2007, but the 2.0T cam-follower must be checked and the multitronic CVT (FWD) treated with caution.

  • Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.
  • Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.
  • Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided.

2007 Audi A4 Caution

B7 A4 with engaging analog feel; the 2.0T FSI cam-follower/HPFP, headlight faults, and CVT fragility are the key risks on a used example.

  • Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.
  • Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.
  • Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided.

2006 Audi A4 Caution

High complaint volume (Takata airbags and headlight failures) plus the 2.0T cam-follower issue; a rewarding driver but needs careful inspection.

  • Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.
  • Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.
  • Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided.

2005 Audi A4 Caution

Early B7 A4 with classic hydraulic steering feel; expect age-related faults and verify the cam-follower and CVT health before purchase.

  • Takata passenger airbag inflator recall dominates complaints, with owners reporting extended waits for replacement parts.
  • Cam-follower wear on the 2.0T FSI can shed metal into the oil and destroy the engine if not inspected and replaced; high-pressure fuel pump issues are related.
  • Multitronic CVT on front-wheel-drive cars can shudder or fail; a car that hesitates or judders should be avoided.

Rankings come from CarVitals reliability verdicts, built on public NHTSA complaint and recall data. See how we build these reports, the most reliable used cars overall, browse all Audi models, or check any listing free with the CarVitals extension.