2021 Hyundai Sonata maintenance schedule
Every service on the 2021 Sonata, with its interval and an estimated cost.
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The 2021 Hyundai Sonata oil change interval is every 8,000 mi or 12 months, whichever comes first (estimated cost $40-$90). Severe: every 5,000 mi or 6 months. Requires API SN PLUS (or above) full synthetic oil.
Service intervals
From the 2021 Hyundai Sonata schedule.
| Service | Every | Est. Cost | Status |
|---|---|---|---|
| Engine Oil & Filter (2.5L / 1.6L turbo)Safety itemSevere: every 5,000 mi or 6 months. Requires API SN PLUS (or above) full synthetic oil. | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | $40-$90 | |
| Engine Oil & Filter (2.5L turbo)Safety itemSevere: every 5,000 mi or 6 months. | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | $40-$90 | |
| Engine Oil & Filter (2.0L Hybrid)Safety item | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | $40-$90 | |
| Tire Rotation (2.5L / 1.6L turbo) | 8,000 mi≈ 13,000 km | $25-$50 | |
| Tire Rotation (2.5L turbo) | 8,000 mi≈ 13,000 km | $25-$50 | |
| Tire Rotation (2.0L Hybrid) | 7,500 mi≈ 12,000 km | $25-$50 | |
| Engine Air Filter (2.5L / 1.6L turbo)Severe: more frequently. | 24,000 mi / 36 mo≈ 39,000 km / 36 mo | $35-$70 | |
| Engine Air Filter (2.5L turbo) | 24,000 mi / 36 mo≈ 39,000 km / 36 mo | $35-$70 | |
| Engine Air Filter (2.0L Hybrid) | 30,000 mi / 48 mo≈ 48,000 km / 48 mo | $35-$70 | |
| Cabin Air Filter (2.5L / 1.6L turbo)Severe: more frequently. | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | $30-$60 | |
| Cabin Air Filter (2.5L turbo) | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | $30-$60 | |
| Cabin Air Filter (2.0L Hybrid) | 15,000 mi / 12 mo≈ 24,000 km / 12 mo | $30-$60 | |
| Spark Plugs (2.5L)Severe: more frequently. | 96,000 mi≈ 154,000 km | $120-$250 | |
| Spark Plugs (1.6T) | 40,000 mi / 60 mo≈ 64,000 km / 60 mo | $120-$250 | |
| Spark Plugs (2.5T) | 96,000 mi≈ 154,000 km | $120-$250 | |
| Spark Plugs (2.0L Hybrid) | 100,000 mi≈ 161,000 km | $120-$250 | |
| Brake Fluid (2.5L / 1.6L turbo)Safety itemInspect every 8,000 mi or 12 months. | 48,000 mi / 48 mo≈ 77,000 km / 48 mo | $100-$180 | |
| Brake Fluid (2.5L turbo)Safety item | 48,000 mi / 48 mo≈ 77,000 km / 48 mo | $100-$180 | |
| Brake Fluid (2.0L Hybrid)Safety itemInspect every 7,500 mi or 12 months. | 60,000 mi / 48 mo≈ 97,000 km / 48 mo | $100-$180 | |
| Engine Coolant (2.5L / 1.6L turbo)First at 120,000 mi or 120 months, then every 30,000 mi or 24 months. | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | $100-$200 | |
| Engine Coolant (2.5L turbo)First at 120,000 mi or 120 months, then every 30,000 mi or 24 months. | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | $100-$200 | |
| Engine Coolant (2.0L Hybrid)Engine and inverter coolant: first at 120,000 mi or 10 years, then every 30,000 mi or 24 months. | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | $100-$200 | |
| Automatic Transmission Fluid (2.5L / 1.6L turbo)Normal: 'No check, No service required'. Severe: replace every 60,000 mi. | As needed | $150-$300 | |
| Automatic Transmission Fluid (2.0L Hybrid)Normal: 'No check, No service required'. | As needed | $150-$300 | |
| Dual-Clutch Transmission Fluid (inspect)Inspect at 48, 96 and 144 months. Severe: replace every 64,000 mi. | 32,000 mi / 48 mo≈ 51,000 km / 48 mo | — | |
| Drive Belt Inspection (2.5L / 1.6L turbo)First at 48,000 mi or 72 months, then every 8,000 mi or 12 months. | 48,000 mi / 72 mo≈ 77,000 km / 72 mo | — | |
| Drive Belt Inspection (2.5L turbo) | 48,000 mi / 72 mo≈ 77,000 km / 72 mo | — | |
| Drive Belt Inspection (HSG belt)Inspect every 7,500 mi or 12 months, replace every 67,500 mi or 48 months. | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — | |
| Brake Inspection (2.5L / 1.6L turbo) | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Brake Inspection (2.5L turbo) | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Brake Inspection (2.0L Hybrid) | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — | |
| Battery Inspection (2.5L / 1.6L turbo) | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Battery Inspection (2.5L turbo) | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Battery Inspection (2.0L Hybrid) | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — |
≈ converted from the other unit and rounded.
Est. costs are US-typical, in USD.
Common questions about the 2021 Hyundai Sonata
How often does a 2021 Hyundai Sonata need an oil change?
The 2021 Hyundai Sonata oil change interval is every 8,000 mi or 12 months, whichever comes first (estimated cost $40-$90). Severe: every 5,000 mi or 6 months. Requires API SN PLUS (or above) full synthetic oil.
What maintenance does a 2021 Hyundai Sonata need?
The services not to skip on a 2021 Hyundai Sonata: engine oil & filter (2.5l / 1.6l turbo) every 8,000 mi / 12 mo; engine oil & filter (2.5l turbo) every 8,000 mi / 12 mo; engine oil & filter (2.0l hybrid) every 7,500 mi / 12 mo; brake fluid (2.5l / 1.6l turbo) every 48,000 mi / 48 mo; brake fluid (2.5l turbo) every 48,000 mi / 48 mo. The table above lists every service with its interval and an estimated cost.