Oil
- Viscosity
- 0W-20
- Oil type
- Full Synthetic
- Capacity (with filter)
- 5.7 qt
- Capacity (without filter)
- 5.2 qt
OEM notes: VW 508.00
2018 Audi A4 Maintenance & Specs
Everything you need to maintain your 2018 Audi A4 — oil specs, maintenance schedule, recalls, and more.
The 2018 Audi A4 takes 0W-20 Full Synthetic with a total capacity of 5.7 quarts (filter included). You’ll need a 19mm socket for the drain plug, torqued to 30 Nm. The OEM oil filter is the Audi 06L115562B, with 3 compatible alternatives listed below. Note: this vehicle has 1 active recall — check the recalls section below. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
Data last verified: April 30, 2026
Oil
0W-20
Full Synthetic
Buy on Amazon →
Capacity
5.7 qt
with filter
Drain plug
19 mm
30 Nm torque
Filter
06L115562B
Audi (OEM)
Buy on Amazon →
OEM spec: VW 508.00
Quick DIY Tips for the 2018 Audi A4
- Torque your drain plug to 30 Nm (22 ft-lbs) to avoid leaks or stripped threads.
- Using the OEM filter (Audi 06L115562B) is recommended for warranty compliance.
- Always use 0W-20 Full Synthetic as specified by Audi — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
Filter options
Drain bolt & hardware
- Socket size
- 19 mm
- Thread size
- M14x1.5
- Torque spec
- 30 Nm
- Gasket type
- Crush washer
Notes: B9/B9.5 (2.0T TFSI I4)
Fluid specifications
Parts & specifications
Spark Plugs
- Type
- Iridium
- Gap
- 0.032
- Quantity
- 4
- Change interval
- 100,000 mi
Battery
- Group size
- 48
- CCA
- 650
Tires
- Size
- 225/45R18
- Front pressure
- 33 PSI
- Rear pressure
- 33 PSI
Air Filter
Cabin Air Filter
Brake Pads
Wiper Blades
Maintenance schedule
Select a mileage interval above to see scheduled maintenance items.
Estimated Current Value
Original MSRP
$48,000
Private Party Value
$10,944 – $12,096
Dealer Retail Value
$12,672 – $14,400
Trade-In Value
$9,792 – $10,944
Depreciation
76%
Estimated values assume average condition and mileage for vehicle age.
Source: estimated
Safety recalls1
Technical Service Bulletins699
Torque specifications
- lug nut
- 89 ft-lbs / 120.7 Nm
- spark plug
- 13 ft-lbs / 17.6 Nm
Use 17mm socket
12mm thread, aluminum head
Save by doing it yourself
A shop typically charges $90–$210 for this service. Buy the parts yourself and save.
Shop Parts for the Audi A4
Find oil, filters, and maintenance parts for the 2018 Audi A4 on Amazon.
Tools & supplies
Step-by-step guide
Detailed walkthrough with tips for first-timers.
Read guide →How often to change oil
Intervals, severe service, and what your car needs.
Read guide →Synthetic vs. conventional
Which oil type is right for your engine and budget.
Read guide →Have info for this vehicle?
Help fellow owners — submit specs from your owner's manual.
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