Audi A4
Data verified by Nick Marchenko, PhD
Proper oil maintenance is crucial for the performance and longevity of your Audi A4, which has a variety of engine options from 1999 to 2023. Depending on the engine, oil capacities range from 4.3 quarts for the AEB 1.8T to 6.9 quarts for the AUK 3.2L V-6. Most engines recommend a viscosity of 5W-30, while the DJYA 2.0L I-4 uses a 0W-20 viscosity. Additionally, coolant capacities vary, with the AEB engine requiring 7.4 quarts and the AUK needing 9.5 quarts.
Regular oil changes are essential to keep your Audi A4 running smoothly. The recommended oil change interval can vary based on driving conditions, but generally, it's advisable to change the oil every 5,000 to 10,000 miles. Always consult your owner's manual for specific guidelines related to your engine type to ensure optimal performance and reliability.
Audi A4 Oil Capacity
| Engine | Oil Capacity | Viscosity | Coolant | Years |
|---|---|---|---|---|
| 2.8L ACK Volkswagen Petrol Engines 2.8 The 2.8L ACK engine has a displacement of 2.8L V6. The power output is 184 hp with a torque of 190 lb-ft. | 6.0 qt | 5W-30 | 6.3 qt | 2001, 2000, 1999 |
| AEB 1.8T BPY EA113 The AEB 1.8T engine has a displacement of 1.8L I-4. The power output is 148 hp with a torque of 155 lb-ft. | 4.3 qt | 5W-30 | 7.4 qt | 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 |
| AUK Audi Petrol Engines 3.2L The AUK engine has a displacement of 3.2L V-6. | 6.9 qt | 5W-30 | 9.5 qt | 2008, 2007, 2006 |
| BBJ 3.0L Audi Petrol Engines 3.0L The BBJ 3.0L engine has a displacement of 3.0L V-6. | 6.8 qt | 5W-30 | 8.5 qt | 2005, 2004, 2003, 2002 |
| CHJA Audi Petrol Engines 2.0 TFSI The CHJA engine has a displacement of 2.0L I-4. The power output is 178 hp with a torque of 236 lb-ft. | 4.8 qt | 5W-40 | 9.6 qt | 2009, 2008, 2007, 2006 |
| CHJA Audi Petrol Engines 2.0 TFSI The CHJA engine has a displacement of 2.0L I-4. The power output is 178 hp with a torque of 236 lb-ft. | 4.9 qt | 5W-40 | 7.4 qt | 2013, 2012, 2011, 2010 |
| CHJA Audi Petrol Engines 2.0 TFSI The CHJA engine has a displacement of 2.0L I-4. The power output is 178 hp with a torque of 236 lb-ft. | 4.9 qt | 5W-40 | 10.6 qt | 2016, 2015, 2014 |
| DJYA Audi Petrol Engines 2.0 TFSI The DJYA engine has a displacement of 2.0L I-4. The power output is 252 hp with a torque of 274 lb-ft. | 5.5 qt | 0W-20 | 10.6 qt | 2023, 2022, 2021, 2020, 2019, 2018, 2017 |
Audi A4 – Frequently Asked Questions
How many quarts of oil does the Audi A4 take?
The Audi A4 oil capacity varies by engine: 2.8L ACK: 6.0 qt; AEB 1.8T: 4.3 qt; AUK: 6.9 qt; BBJ 3.0L: 6.8 qt; CHJA: 4.8 qt; CHJA: 4.9 qt; CHJA: 4.9 qt; DJYA: 5.5 qt. Always confirm the exact capacity for your specific engine before an oil change.
What type of oil does the Audi A4 use?
Oil viscosity depends on the engine: 2.8L ACK, AEB 1.8T, AUK, BBJ 3.0L: 5W-30; CHJA, CHJA, CHJA: 5W-40; DJYA: 0W-20. Check your owner's manual for the correct spec for your specific engine.
What is the coolant capacity of the Audi A4?
The coolant capacity for the Audi A4 varies by engine: 2.8L ACK: 6.3 qt; AEB 1.8T: 7.4 qt; AUK: 9.5 qt; BBJ 3.0L: 8.5 qt; CHJA: 9.6 qt; CHJA: 7.4 qt; CHJA: 10.6 qt; DJYA: 10.6 qt. Use the coolant specification listed in the owner's manual for your engine variant.
What type of oil does the Audi A4 use?
The Audi A4 typically uses synthetic oil, with a common viscosity of 5W-30 for most engines. However, the DJYA 2.0L I-4 engine requires 0W-20 oil for optimal performance.
How many quarts of oil does the Audi A4 take?
The oil capacity for the Audi A4 varies by engine. For example, the AEB 1.8T takes 4.3 quarts, while the AUK 3.2L V-6 requires 6.9 quarts.
How often should I change oil in an Audi A4?
It's generally recommended to change the oil in your Audi A4 every 5,000 to 10,000 miles, depending on driving conditions. Always refer to your owner's manual for specific recommendations based on your engine type.
What is the coolant capacity of the Audi A4?
Coolant capacity in the Audi A4 varies by engine. For instance, the AEB 1.8T requires 7.4 quarts of coolant, while the AUK 3.2L V-6 needs 9.5 quarts.
Does the Audi A4 need synthetic oil?
Yes, the Audi A4 is designed to run on synthetic oil, which provides better protection and performance compared to conventional oil, especially in extreme temperatures.
What happens if I use the wrong oil viscosity in my Audi A4?
Using the wrong oil viscosity can lead to inadequate lubrication, increased engine wear, and potential overheating. Always use the recommended viscosity for your specific engine.
What is an oil life monitor and how does it work?
An oil life monitor is a system that tracks the condition of your engine oil based on driving habits and conditions. It alerts you when it's time for an oil change, helping to ensure optimal engine performance.
Can I mix synthetic and conventional oil?
While it's technically possible to mix synthetic and conventional oils, it's not recommended. Mixing can reduce the effectiveness of the oil and may lead to engine issues.
How do I know if my Audi A4 has an oil leak?
Signs of an oil leak include oil spots under the vehicle, a drop in oil levels, or an oil warning light on the dashboard. Regularly checking your oil level can help identify leaks early.
What causes excessive oil consumption?
Excessive oil consumption can be caused by worn piston rings, valve seals, or other engine components. Regular maintenance and timely oil changes can help mitigate this issue.
Should I check my oil when the engine is hot or cold?
It's best to check your oil when the engine is warm but not hot. This allows the oil to circulate and provide a more accurate reading on the dipstick.
What is the difference between an oil change and a flush?
An oil change involves draining the old oil and replacing it with new oil, while an oil flush is a process that cleans the engine's oil system using a special solvent. Flushing is generally not necessary for regular maintenance.