Audi A3, S3, RS 3, 8YS (USA)

Coolant capacity & service interval

Audi A3, S3, RS 3, 8YS (USA) models utilize coolant with a capacity of 10 liters. Service intervals require checks every 20000 miles or 24 months. The data covers 3 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
A3 40 TFSI 150 kW) (2021- )
  • Use: Normal
  • Capacity 10 liter
  • Check 20000 miles/ 24 months
A3 40 TFSI quattro (150 kW) (2021- )
  • Use: Normal
  • Capacity 10 liter
  • Check 20000 miles/ 24 months
S3 2.0 TFSI quattro (228 kW) (2021- )
  • Use: Normal
  • Capacity 10 liter
  • Check 20000 miles/ 24 months

Additional Notes

  • The cooling system capacity across the Audi A3, S3, RS 3 (8YS, USA) lineup holds at 10 liters for all three configurations covered in the specifications, spanning the front-wheel-drive A3 40 TFSI, the quattro-equipped A3 40 TFSI, and the S3 2.0 TFSI quattro.
  • A 10-liter cooling system capacity is a moderately sized figure for a compact sedan, reflecting the volume of coolant required to fill the engine block, cylinder head passages, radiator, heater core, and associated hoses as a complete system fill.
  • The A3 40 TFSI (150 kW) in front-wheel-drive configuration carries the same 10-liter cooling system capacity as the quattro variant of the same engine output, indicating the drivetrain layout does not alter the coolant volume requirement for the 2021 model year onward.
  • The S3 2.0 TFSI quattro at 228 kW shares the identical 10-liter cooling system capacity with the lower-output A3 variants, despite producing significantly more power, suggesting the engine architecture accommodates the higher thermal load within the same coolant volume.
  • All three configurations carry a coolant check interval of 20,000 miles or 24 months under normal use conditions, meaning the interval applies to standard driving environments rather than elevated-stress or severe-duty operation.
  • The 20,000-mile or 24-month check interval represents a time-and-distance dual trigger, where whichever threshold is reached first would govern when the cooling system warrants inspection, a common approach in modern service schedules to account for varying driving frequencies.

Other Systems