2021 Hyundai Elantra Maintenance
Manufacturer-Recommended Service Schedule
The manufacturer-recommended maintenance schedule for the 2021 Hyundai Elantra is shown above. Keeping up with these service intervals prevents premature wear, maintains fuel economy, and protects your powertrain warranty.
The most critical intervals are engine oil changes (typically every 5,000–10,000 miles for full synthetic), tire rotation (every 5,000–7,500 miles), and brake fluid (every 2–3 years). Always verify intervals against your owner's manual — the schedule varies by driving conditions.
| Service Item | Interval | Notes |
|---|---|---|
| Engine Oil & Filter | 7,500 mi / 12 mo | 0W-20 for 2.0L NA; 5W-30 for 1.6T N-Line. Severe: 5,000 mi / 6 mo. |
| Tire Rotation | 7,500 mi / 6 mo | Rotate every 7,500 miles or 6 months. |
| Cabin Air Filter | 15,000 mi / 12 mo | Replace every 15,000 miles. |
| Engine Air Filter | 30,000 mi / 24 mo | Inspect at 15,000 mi; replace at 30,000 mi. |
| Brake Fluid | 30,000 mi / 24 mo | Replace every 30,000 miles or 2 years. |
| Transmission Fluid | 60,000 mi / 48 mo | CVT (2.0L): 60,000 mi. DCT (1.6T): 60,000 mi. Severe: 30,000 mi. |
| Coolant | 60,000 mi / 48 mo | First at 60,000 mi; then every 30,000 mi. |
| Spark Plugs | 45,000 miles | 1.6T: 45,000 mi. 2.0L NA: 97,500 mi (iridium). |
| Serpentine Belt | 60,000 mi / 48 mo | Inspect at 60,000 mi; replace by 90,000 mi. |
| Battery | 48 months | Inspect annually; replace around 48 months. |
Key Fluid & Maintenance Specs
Motor Oil
5W-30 Full Synthetic — 4.2 qt
Lug Nut Torque
80 ft-lbs
Brake Fluid
DOT 3
Coolant
Phosphate-based Green/Blue
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