Hyundai Elantra, AD/ADA (USA)

Coolant capacity & service interval

Hyundai Elantra, AD/ADA (USA) models utilize coolant with a capacity range of 6 to 7,1 liters. Service intervals include 30000 miles or 24 months and 120000 miles or 120 months. The data covers 12 configurations.

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

TypeSpecifications
Elantra 1.6 T-GDI (2018-2020)
  • Use: Normal
  • Capacity 6,3 liter
  • Change 30000 miles/ 24 months
Elantra 1.6 T-GDI (2018-2020)
  • Use: First change only
  • Capacity 6,3 liter
  • Change 120000 miles/ 120 months
Elantra 2.0 MPI (2018-2020)
  • Use: Normal
  • Capacity 6,6-7,1 liter
  • Change 30000 miles/ 24 months
Elantra 2.0 MPI (2018-2020)
  • Use: First change only
  • Capacity 6,6-7,1 liter
  • Change 120000 miles/ 120 months
Elantra 1.4 T-GDI (2017-2020)
  • Use: Normal
  • Capacity 6,1 liter
  • Change 30000 miles/ 24 months
Elantra 1.4 T-GDI (2017-2020)
  • Use: First change only
  • Capacity 6,1 liter
  • Change 120000 miles/ 120 months
Elantra 1.6 T-GDI (2017-2018)
  • Use: Normal
  • Capacity 6,1 liter
  • Change 30000 miles/ 24 months
Elantra 1.6 T-GDI (2017-2018)
  • Use: First change only
  • Capacity 6,1 liter
  • Change 120000 miles/ 120 months
Elantra 2.0 MPI (2017-2017)
  • Use: Normal
  • Capacity 6-6,6 liter
  • Change 30000 miles/ 24 months
Elantra 2.0 MPI (2017-2017)
  • Use: First change only
  • Capacity 6-6,6 liter
  • Change 120000 miles/ 120 months
Elantra 2.0 MPI (2016-2016)
  • Use: Normal
  • Capacity 6,6 liter
  • Change 30000 miles/ 24 months
Elantra 2.0 MPI (2016-2016)
  • Use: First change only
  • Capacity 6,6 liter
  • Change 120000 miles/ 120 months

Additional Notes

  • The Hyundai Elantra AD/ADA (USA) cooling system specifications cover two distinct service interval types: a normal interval and a first change only interval. The normal interval applies to routine coolant changes, while the first change only interval applies exclusively to the initial coolant drain after the factory fill, reflecting the extended service life of the original coolant charge.
  • Under normal use conditions, all engine variants across the 2016-2020 model years share the same 30,000-mile or 24-month coolant change interval, regardless of engine displacement or configuration.
  • The first change only interval for all listed engine variants is set at 120,000 miles or 120 months. At 10 years or 120,000 miles, the factory-fill coolant is considered to have reached the end of its extended service life before routine intervals take over.
  • The 1.4 T-GDI and the 1.6 T-GDI (2017-2018) both carry a cooling system capacity of 6.1 liters. The turbocharged 1.6 T-GDI in the 2018-2020 range, however, carries a slightly larger capacity of 6.3 liters, indicating a difference in cooling circuit volume between the two production periods of the same engine.
  • The Elantra 2.0 MPI in 2016 has a fixed cooling system capacity of 6.6 liters. In 2017, the same engine is listed with a capacity range of 6.0 to 6.6 liters, suggesting variation across sub-configurations or trim levels within that model year.
  • For the 2.0 MPI in 2018-2020, the capacity range expands further to 6.6 to 7.1 liters. The upper end of 7.1 liters represents the largest cooling system capacity among all listed Elantra AD/ADA configurations, consistent with larger or more complex cooling circuits in certain variants of the naturally aspirated 2.0-liter engine.
  • Capacity ranges, such as the 6.0-6.6 liter figure for the 2017 2.0 MPI or the 6.6-7.1 liter figure for the 2018-2020 2.0 MPI, reflect variation within a single engine family across different sub-variants rather than a single fixed fill volume applicable to all units.

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