Oil & fluid capacities

Audi A6 V (C8 LCI) Avant2023 – present3 engines
Verified across 2 independent sourcesLast reviewed 2026-11-06

Verified against the Audi A6 Owner's Manual 4K1012720AC (edition 03/2024)

Engine oil capacity · with filter
5.5–8.0US qt · 5.2–7.6 L
0W-20 / 0W-30 · varies by engine — see the per-engine table below
Engine oil (with filter)5.5–8.0 US qt · 5.2–7.6 L
Coolant10.6 US qt · 10 L
Oil viscosity0W-20 / 0W-30
Wheel-nut torque89 lb-ft · 120 N·m

Per-engine engine-oil, coolant and transmission-fluid capacities for the Audi A6 V (C8 LCI) Avant (2023 – present), read from the manufacturer's owner's manual and cited per value. Oil figures are the service-refill quantity with a new filter; where the generation offers more than one engine the figures differ — match the row to your engine.

Per-engine fluids 3 engines

EngineEngine oil (with filter)Oil viscosityOil spec / standardCoolant
2.0 TFSI (45 TFSI) 180kW5.5 US qt · 5.2 L Verified[2]OEM workshop data0W-20 Verified[1]VW 508 00 Verified[1]10.6 US qt · 10 L Verified[2]OEM workshop data
50 TDI (DDVB) 210kW6.4 US qt · 6.1 L Verified[2]OEM workshop data0W-30 Verified[1]VW 507 00 Verified[1]10.6 US qt · 10 L Verified[2]OEM workshop data
3.0 TFSI (55 TFSI) 250kW8.0 US qt · 7.6 L Verified[2]OEM workshop data0W-20 Verified[1]VW 508 00 Verified[1]10.6 US qt · 10 L Verified[2]OEM workshop data

Drain & wheel torque 2

Wheel bolt / lug-nut torque89 lb-ft · 120 N·mVerified[2]
Oil drain plug torque22 lb-ft · 30 N·mVerified[2]

Related verified specs

Engine codeEA888 2.0 TFSI · EA839 3.0 TFSI (petrol) · EA897 3.0 TDI V6 (diesel); MHEV/PHEV

Full specifications, dimensions and all engines → Audi A6 V (C8 LCI) Avant overview

Frequently asked

What is the engine oil capacity of the Audi A6 V (C8 LCI) Avant (2023 – present)?
Engine oil capacity (with filter) is 6.4 US qt · 6.1 L, varying by engine — see the per-engine table above, verified from the owner's manual and cited.
What is the coolant capacity of the Audi A6 V (C8 LCI) Avant?
Coolant system capacity is 10.6 US qt · 10 L, verified from the owner's manual.
What is the wheel-nut (lug) torque for the Audi A6 V (C8 LCI) Avant?
Wheel-nut torque is 120 Nm, verified from the owner's manual.

Sources

  1. Audi A6 Owner's Manual 4K1012720AC (edition 03/2024)Held via ownersmanual.audi.com (Audi portal); 4K = C8; 2023 facelift editionRetrieved 2026-11-06
  2. OEM workshop data — Audi A6 (C8)Per-engine capacities + torque from OEM workshop service data; verified against the held Audi OMRetrieved 2026-11-06