Toyota Grand Highlander (USA / CAN)

Coolant capacity & service interval

Toyota Grand Highlander (USA / CAN) coolant capacity ranges from 2 to 11,6 liters. Service intervals include checks at 15000 miles or 18 months, and changes at 50000, 100000, or 150000 miles, or 60, 120, or 180 months. The data covers 11 configurations.

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

TypeSpecifications
Grand Highlander 2.4 (2023- )
  • Use: Normal
  • Capacity 11,5 liter
  • Capacity 3,1 liter (intercooler)
  • Check 15000 miles/ 18 months
  • Change 50000 miles/ 60 months
Grand Highlander 2.4 (2023- )
  • Use: First change only
  • Capacity 11,5 liter
  • Capacity 3,1 liter (intercooler)
  • Check 15000 miles/ 18 months
  • Change 100000 miles/ 120 months
Grand Highlander 2.4 AWD (2023- )
  • Use: Normal
  • Capacity 11,5 liter
  • Capacity 3,1 liter (intercooler)
  • Check 15000 miles/ 18 months
  • Change 50000 miles/ 60 months
Grand Highlander 2.4 AWD (2023- )
  • Use: First change only
  • Capacity 11,5 liter
  • Capacity 3,1 liter (intercooler)
  • Check 15000 miles/ 18 months
  • Change 100000 miles/ 120 months
Grand Highlander 2.4 AWD Hybrid MAX (2023- )
  • Use: Normal
  • Capacity 11,6 liter
  • Check 15000 miles/ 18 months
  • Change 50000 miles/ 60 months
  • Grand Highlander 2.4 AWD Hybrid MAX (2023- )
  • Intercooler
  • Use: Normal
  • Capacity 5,7 liter
  • Check 15000 miles/ 18 months
  • Change 50000 miles/ 60 months
  • Grand Highlander 2.4 AWD Hybrid MAX (2023- )
  • Intercooler
  • Use: First change only
  • Capacity 5,7 liter
  • Check 15000 miles/ 18 months
  • Change 150000 miles/ 180 months
Grand Highlander 2.5 AWD Hybrid (2023- )
  • Use: Normal
  • Capacity 10,2 liter
  • Capacity 2 liter (Power control unit)
  • Check 15000 miles/ 18 months
  • Change 50000 miles/ 60 months
Grand Highlander 2.5 AWD Hybrid (2023- )
  • Use: Initial service
  • Capacity 10,2 liter
  • Capacity 2 liter (Power control unit)
  • Check 15000 miles/ 18 months
  • Change 100000 miles/ 120 months
Grand Highlander 2.5 Hybrid (2023- )
  • Use: Normal
  • Capacity 10,2 liter
  • Capacity 2 liter (Power control unit)
  • Check 15000 miles/ 18 months
  • Change 50000 miles/ 60 months
Grand Highlander 2.5 Hybrid (2023- )
  • Use: Initial service
  • Capacity 10,2 liter
  • Capacity 2 liter (Power control unit)
  • Check 15000 miles/ 18 months
  • Change 100000 miles/ 120 months

Additional Notes

  • The Toyota Grand Highlander 2.4 carries a main cooling system capacity of 11.5 liters, while a separate 3.1-liter intercooler circuit adds to the total fluid volume a technician must account for during a full coolant service.
  • On the 2.4 (non-hybrid) configurations, the first coolant change interval is extended to 100,000 miles or 120 months, compared to the 50,000-mile or 60-month interval that applies to all subsequent normal-use changes.
  • The 2.4 AWD Hybrid MAX carries a main cooling system capacity of 11.6 liters, and a separate intercooler circuit holds 5.7 liters — nearly double the 3.1-liter intercooler volume found in the non-hybrid 2.4 variants.
  • For the 2.4 AWD Hybrid MAX intercooler circuit specifically, the first-change-only interval reaches 150,000 miles or 180 months, which is the longest single service interval listed across all configurations in these specifications.
  • The 2.5 Hybrid and 2.5 AWD Hybrid share a main cooling system capacity of 10.2 liters, which is lower than the 11.5–11.6-liter range seen in the 2.4-based variants.
  • Both 2.5-liter hybrid configurations include a dedicated 2-liter power control unit (PCU) cooling circuit, a separate loop used to manage heat in the hybrid power electronics rather than the combustion engine itself.
  • The 2.5 Hybrid variants use the label "initial service" rather than "first change only" to describe the extended 100,000-mile or 120-month change interval, while the 2.4 non-hybrid rows use "first change only" for the same type of extended interval.
  • Across all configurations, the coolant check interval is set at 15,000 miles or 18 months under normal use conditions, regardless of engine type or drivetrain layout.

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