Estimated maintenance schedule for the 2020 Audi A4
GarageHub's estimates for the 2020 A4, not the manufacturer's maintenance schedule.
GarageHub estimates the 2020 Audi A4 oil change interval at every 10,000 mi or 12 months, whichever comes first (estimated cost $90-$150); this is not the manufacturer's figure, so check your owner's manual.
Service intervals
GarageHub estimates for the 2020 Audi A4, not taken from the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.
| Service | Every | Est. Cost | Status |
|---|---|---|---|
| Engine Oil & FilterSafety item | 10,000 mi / 12 mo≈ 16,000 km / 12 mo | $90-$150 | |
| Tire Rotation | 10,000 mi≈ 16,000 km | $30-$60 | |
| Cabin Air Filter | 20,000 mi / 24 mo≈ 32,000 km / 24 mo | $25-$60 | |
| Engine Air Filter | 40,000 mi≈ 64,000 km | $30-$70 | |
| Brake Fluid FlushSafety item | 24 mo | $100-$180 | |
| Brake Pad Inspection & ReplacementSafety item | 40,000 mi≈ 64,000 km | $250-$500 | |
| Dual-Clutch Transmission (S tronic) Fluid & FilterSafety item | 80,000 mi≈ 129,000 km | $350-$600 | |
| Spark Plugs | 55,000 mi≈ 89,000 km | $200-$350 | |
| Engine Coolant Flush | 60,000 mi / 72 mo≈ 97,000 km / 72 mo | $150-$250 | |
| Quattro AWD Differential Service | 60,000 mi≈ 97,000 km | $150-$250 | |
| Battery Inspection & Replacement | 48 mo | $200-$400 | |
| Fuel System & Intake Cleaning | 60,000 mi≈ 97,000 km | $150-$300 |
≈ converted from the other unit and rounded.
Est. costs are US-typical, in USD.
- 0 Due now
- 0 Within 5,000 mi
- 0 Later
Ask Rev about my A4
What happens if you skip it
- Skipping dual-clutch transmission service accelerates clutch pack wear, leading to shuddering, slipping, and eventual $3,000+ mechatronic unit or clutch replacement.
- Neglecting brake fluid changes causes internal corrosion of the ABS/ESP hydraulic unit, a $1,500+ repair common in older B9 A4s.
- Delaying turbocharger oil changes can coke oil passages in the turbo's bearing assembly, resulting in turbo failure and $2,000-$3,500 replacement costs.
- Ignoring quattro differential service leads to increased wear and potential failure of the center or rear differential, with repair costs exceeding $1,500.
- Skipping carbon cleaning allows intake valve deposits to choke airflow, causing rough idle, misfires, and reduced power that worsens over time.
Common issues at higher mileage
- 40,000+ mi
- Water pump failure (plastic impeller design); symptoms include coolant leaks, overheating, and whining noise from front of engine.
- 50,000+ mi
- Intake manifold flap actuator failure causing rough idle, check engine light (P2015), and loss of low-end torque.
- 60,000+ mi
- Thermostat housing leaks due to plastic cracking; leads to coolant loss and potential overheating if not addressed.
- 70,000+ mi
- PCV valve and diaphragm failure causing excessive oil consumption, rough idle, and potential turbocharger oil seal damage.
- 80,000+ mi
- Dual-clutch mechatronic unit issues (if fluid service neglected) resulting in harsh shifts, gear engagement delays, or limp mode.
Common questions about the 2020 Audi A4
How often does a 2020 Audi A4 need an oil change?
GarageHub estimates the 2020 Audi A4 oil change interval at every 10,000 mi or 12 months, whichever comes first (estimated cost $90-$150); this is not the manufacturer's figure, so check your owner's manual.
What maintenance does a 2020 Audi A4 need?
GarageHub's estimate of the services not to skip on a 2020 Audi A4: engine oil & filter every 10,000 mi / 12 mo; brake fluid flush every 24 mo; brake pad inspection & replacement every 40,000 mi; dual-clutch transmission (s tronic) fluid & filter every 80,000 mi. These intervals are estimates, not the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.
What goes wrong on a Audi A4 at higher mileage?
What owners report as the miles add up — 40,000+ mi: Water pump failure (plastic impeller design); symptoms include coolant leaks, overheating, and whining noise from front of engine. 50,000+ mi: Intake manifold flap actuator failure causing rough idle, check engine light (P2015), and loss of low-end torque. 60,000+ mi: Thermostat housing leaks due to plastic cracking; leads to coolant loss and potential overheating if not addressed. 70,000+ mi: PCV valve and diaphragm failure causing excessive oil consumption, rough idle, and potential turbocharger oil seal damage. 80,000+ mi: Dual-clutch mechatronic unit issues (if fluid service neglected) resulting in harsh shifts, gear engagement delays, or limp mode.
Keep this schedule for your A4
Log what you've done, get reminded what's next. Rev knows the intervals for your A4.