Maintenance schedule

Estimated maintenance schedule for the 2020 Audi A4

GarageHub's estimates for the 2020 A4, not the manufacturer's maintenance schedule.

B9 (5th gen) · 2.0L TFSI turbocharged I4 · Rev + Daniel Georgiev

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

Your car

GarageHub estimates for the 2020 Audi A4, not taken from the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.

GarageHub estimates for the 2020 Audi A4, not taken from the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.
ServiceEveryEst. CostStatus
Engine Oil & FilterSafety item10,000 mi / 12 mo≈ 16,000 km / 12 mo$90-$150
Tire Rotation10,000 mi≈ 16,000 km$30-$60
Cabin Air Filter20,000 mi / 24 mo≈ 32,000 km / 24 mo$25-$60
Engine Air Filter40,000 mi≈ 64,000 km$30-$70
Brake Fluid FlushSafety item24 mo$100-$180
Brake Pad Inspection & ReplacementSafety item40,000 mi≈ 64,000 km$250-$500
Dual-Clutch Transmission (S tronic) Fluid & FilterSafety item80,000 mi≈ 129,000 km$350-$600
Spark Plugs55,000 mi≈ 89,000 km$200-$350
Engine Coolant Flush60,000 mi / 72 mo≈ 97,000 km / 72 mo$150-$250
Quattro AWD Differential Service60,000 mi≈ 97,000 km$150-$250
Battery Inspection & Replacement48 mo$200-$400
Fuel System & Intake Cleaning60,000 mi≈ 97,000 km$150-$300

≈ converted from the other unit and rounded.

Est. costs are US-typical, in USD.

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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.

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