2021 Hyundai Sonata maintenance schedule
Every service on the 2021 Sonata, with its interval and an estimated cost.
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 if the car is driven under any of Hyundai's twelve severe conditions, such as repeated short trips; extended idling or low-speed driving; rough or salt-spread roads; heavy traffic; towing, camping or roof loads; taxi or other commercial use; or non-recommended engine oil. 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 if the car is driven under any of Hyundai's twelve severe conditions, such as repeated short trips; extended idling or low-speed driving; rough or salt-spread roads; heavy traffic; towing, camping or roof loads; taxi or other commercial use; or non-recommended engine oil. Requires API SN PLUS (or above) full synthetic oil.Guide How to Change Your Oil · The engine oil system: what every part does | 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 if the car is driven under any of Hyundai's twelve severe conditions, such as repeated short trips; extended idling or low-speed driving; rough or salt-spread roads; heavy traffic; towing, camping or roof loads; taxi or other commercial use; or non-recommended engine oil.Guide How to Change Your Oil · The engine oil system: what every part does | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | $40-$90 | |
| Engine Oil & Filter (2.0L Hybrid)Safety itemGuide How to Change Your Oil · The engine oil system: what every part does | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | $40-$90 | |
| Tire Rotation (2.5L / 1.6L turbo)Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench | 8,000 mi≈ 13,000 km | $25-$50 | |
| Tire Rotation (2.5L turbo)Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench | 8,000 mi≈ 13,000 km | $25-$50 | |
| Tire Rotation (2.0L Hybrid)Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench | 7,500 mi≈ 12,000 km | $25-$50 | |
| Engine Air Filter (2.5L / 1.6L turbo)Severe: replace the air filter more frequently (Hyundai prints no fixed severe interval) under any of these conditions: rough, dusty, muddy, unpaved, gravel or salt-spread roads; or sandy areas.Guide How to Replace Your Air Filter (Engine & Cabin) | 24,000 mi / 36 mo≈ 39,000 km / 36 mo | $35-$70 | |
| Engine Air Filter (2.5L turbo)Guide How to Replace Your Air Filter (Engine & Cabin) | 24,000 mi / 36 mo≈ 39,000 km / 36 mo | $35-$70 | |
| Engine Air Filter (2.0L Hybrid)Guide How to Replace Your Air Filter (Engine & Cabin) | 30,000 mi / 48 mo≈ 48,000 km / 48 mo | $35-$70 | |
| Cabin Air Filter (2.5L / 1.6L turbo)Severe: replace the cabin air filter more frequently (Hyundai prints no fixed severe interval) under any of these conditions: rough, dusty, muddy, unpaved, gravel or salt-spread roads; or sandy areas.Guide How to Replace Your Cabin Air Filter | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | $30-$60 | |
| Cabin Air Filter (2.5L turbo)Guide How to Replace Your Cabin Air Filter | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | $30-$60 | |
| Cabin Air Filter (2.0L Hybrid)Guide How to Replace Your Cabin Air Filter | 15,000 mi / 12 mo≈ 24,000 km / 12 mo | $30-$60 | |
| Spark Plugs (2.5L)Severe: replace more frequently (Hyundai prints no fixed severe interval) under conditions such as repeated short trips; extended idling or low-speed driving; hill or mountain driving; towing, camping or roof loads; taxi or other commercial use; or frequent stop-and-go driving.Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 96,000 mi≈ 154,000 km | $120-$250 | |
| Spark Plugs (1.6T)Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 40,000 mi / 60 mo≈ 64,000 km / 60 mo | $120-$250 | |
| Spark Plugs (2.5T)Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 96,000 mi≈ 154,000 km | $120-$250 | |
| Spark Plugs (2.0L Hybrid)Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 100,000 mi≈ 161,000 km | $120-$250 | |
| Brake Fluid (2.5L / 1.6L turbo)Safety itemInspect every 8,000 mi or 12 months.Guide How to Bleed Brakes (and Change Brake Fluid) | 48,000 mi / 48 mo≈ 77,000 km / 48 mo | $100-$180 | |
| Brake Fluid (2.5L turbo)Safety itemGuide How to Bleed Brakes (and Change Brake Fluid) | 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.Guide How to Bleed Brakes (and Change Brake Fluid) | 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.Guide How to Flush Your Coolant System | 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.Guide How to Flush Your Coolant System | 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.Guide How to Flush Your Coolant System | 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 under conditions such as repeated short trips; rough or salt-spread roads; hill or mountain driving; or taxi or other commercial use.Guide How to Change Transmission Fluid | As needed | $150-$300 | |
| Automatic Transmission Fluid (2.0L Hybrid)Normal: 'No check, No service required'. Severe: replace every 60,000 mi under conditions such as repeated short trips; rough or salt-spread roads; road salt or very cold weather; hill or mountain driving; towing, camping or roof loads; taxi or other commercial use; or frequent stop-and-go driving.Guide How to Change Transmission Fluid | As needed | $150-$300 | |
| Dual-Clutch Transmission Fluid (inspect)Inspect at 48, 96 and 144 months. Severe: replace every 64,000 mi under conditions such as repeated short trips; rough or salt-spread roads; road salt or very cold weather; hill or mountain driving; towing, camping or roof loads; taxi or other commercial use; or frequent stop-and-go driving.Guide How to Change Transmission Fluid | 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.Guide How to Replace a Serpentine Belt | 48,000 mi / 72 mo≈ 77,000 km / 72 mo | — | |
| Drive Belt Inspection (2.5L turbo)Guide How to Replace a Serpentine Belt | 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. Severe: replace every 30,000 mi or 24 months and inspect every 3,750 mi or 6 months, under any of these conditions: rough, dusty, muddy, unpaved, gravel or salt-spread roads; areas that use road salt or other corrosive materials, or very cold weather; sandy areas; or patrol-car, taxi, other commercial use or vehicle towing.Guide How to Replace a Serpentine Belt | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — | |
| Brake Inspection (2.5L / 1.6L turbo)Guide How to Change Brake Pads: Step-by-Step Guide | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Brake Inspection (2.5L turbo)Guide How to Change Brake Pads: Step-by-Step Guide | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Brake Inspection (2.0L Hybrid)Guide How to Change Brake Pads: Step-by-Step Guide | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — | |
| Battery Inspection (2.5L / 1.6L turbo)Guide How to Replace a Car Battery (on a Modern Car) · The car battery and charging system: what every part does | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Battery Inspection (2.5L turbo)Guide How to Replace a Car Battery (on a Modern Car) · The car battery and charging system: what every part does | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | — | |
| Battery Inspection (2.0L Hybrid)Guide How to Replace a Car Battery (on a Modern Car) · The car battery and charging system: what every part does | 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 if the car is driven under any of Hyundai's twelve severe conditions, such as repeated short trips; extended idling or low-speed driving; rough or salt-spread roads; heavy traffic; towing, camping or roof loads; taxi or other commercial use; or non-recommended engine oil. 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.