Kia K5, DL3 (USA / CAN)

Brake fluid capacity & service interval

Kia K5, DL3 (USA / CAN) models utilize brake fluid. Service intervals include checks at 7500 to 8000 miles or 12 months and changes at 48000 to 60000 miles or 48 months. The data covers 6 configurations.

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

TypeSpecifications
K5 2.5 GDI (2025- )
  • Use: Normal
  • Between min and max.
  • Check 7500 miles/ 12 months
  • Change 60000 miles/ 48 months
K5 2.5 GDI AWD (2025- )
  • Use: Normal
  • Between min and max.
  • Check 7500 miles/ 12 months
  • Change 60000 miles/ 48 months
K5 2.5 T-GDI (2025- )
  • Use: Normal
  • Between min and max.
  • Check 8000 miles/ 12 months
  • Change 48000 miles/ 48 months
K5 1.6 T-GDI (2020-2024)
  • Use: Normal
  • Between min and max.
  • Check 8000 miles/ 12 months
  • Change 48000 miles/ 48 months
K5 1.6 T-GDI AWD (2020-2024)
  • Use: Normal
  • Between min and max.
  • Check 8000 miles/ 12 months
  • Change 48000 miles/ 48 months
K5 2.5 T-GDI (2020-2024)
  • Use: Normal
  • Between min and max.
  • Check 8000 miles/ 12 months
  • Change 48000 miles/ 48 months

Additional Notes

  • Brake fluid capacity for the Kia K5 DL3 hydraulic brake system is not expressed as a fixed volume. Instead, the reservoir level is maintained between the minimum and maximum marks on the reservoir, which is standard practice for hydraulic brake systems where fluid loss typically signals a leak or pad wear rather than routine consumption.
  • The 1.6 T-GDI, 1.6 T-GDI AWD, 2.5 T-GDI (2020-2024), and 2.5 T-GDI (2025- ) configurations all share a check interval of 8,000 miles or 12 months under normal use conditions, whichever comes first.
  • The 2.5 GDI and 2.5 GDI AWD configurations introduced from 2025 carry a slightly reduced check interval of 7,500 miles or 12 months, compared to the 8,000-mile interval on the other engine variants.
  • The change interval for the 1.6 T-GDI, 1.6 T-GDI AWD, 2.5 T-GDI (2020-2024), and 2.5 T-GDI (2025- ) is set at 48,000 miles or 48 months under normal use conditions. The time-based threshold of 48 months reflects brake fluid's tendency to absorb moisture over time, which lowers its boiling point regardless of mileage accumulation.
  • The 2.5 GDI and 2.5 GDI AWD variants from 2025 have a longer mileage-based change interval of 60,000 miles, while retaining the same 48-month time-based limit shared across all other configurations in the lineup.
  • All six configurations across the 2020-2025 K5 DL3 range specify normal use conditions for brake fluid service. No severe-use intervals are listed for any of the engine or drivetrain variants covered.
  • The AWD variants, the 1.6 T-GDI AWD (2020-2024) and the 2.5 GDI AWD (2025- ), carry identical brake fluid service intervals to their respective front-wheel-drive counterparts, indicating that the addition of all-wheel drive does not alter the hydraulic brake system service schedule.

Other Systems