Hyundai Sonata Maintenance Schedule (2021–2024)
2024 Sonata schedule →Every Hyundai Sonata oil, transmission, brake and filter interval for 2021–2024, by engine and model year, straight from Hyundai's own manuals.
Checked against the 2021 Hyundai Sonata Owner's Manual · Reviewed Nov 2, 2026 by Daniel Georgiev · 8 sources
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Service intervals
From the 2021–2024 Hyundai Sonata (DN8) schedule.
| Service | Every | Status |
|---|---|---|
| Engine Oil & Filter (2.5L)Safety itemSevere: every 5,000 mi or 6 months under any of these conditions: road salt or very cold weather; 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 | |
| Engine Oil & Filter (2.5L turbo)Safety itemSevere: every 5,000 mi or 6 months under any of these conditions: road salt or very cold weather; 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 | |
| Tire Rotation (2.5L / 2.5L turbo)Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | |
| Tire Rotation (2.0L Hybrid)Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | |
| Engine Air Filter (2.5L)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 heavy dust or sand.Guide How to Replace Your Air Filter (Engine & Cabin) | 24,000 mi / 36 mo≈ 39,000 km / 36 mo | |
| 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 | |
| Engine Air Filter (2.0L Hybrid)Guide How to Replace Your Air Filter (Engine & Cabin) | 24,000 mi / 36 mo≈ 39,000 km / 36 mo | |
| Cabin Air Filter (2.5L)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 heavy dust or sand.Guide How to Replace Your Cabin Air Filter | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | |
| Cabin Air Filter (2.5L turbo)Guide How to Replace Your Cabin Air Filter | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | |
| Cabin Air Filter (2.0L Hybrid)Guide How to Replace Your Cabin Air Filter | 16,000 mi / 24 mo≈ 26,000 km / 24 mo | |
| 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 | |
| Spark Plugs (2.5T)Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 48,000 mi≈ 77,000 km | |
| 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 | |
| Brake Fluid (2.5L)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 | |
| 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 | |
| Brake Fluid (2.0L Hybrid)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 | |
| Engine Coolant (2.5L / 2.5L turbo)First at 120,000 mi or 120 months, then every 24,000 mi or 24 months.Guide How to Flush Your Coolant System | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | |
| Engine Coolant (2.0L Hybrid)Engine and inverter coolant: first at 120,000 mi or 120 months, then every 24,000 mi or 24 months.Guide How to Flush Your Coolant System | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | |
| Automatic Transmission Fluid (2.5L)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; towing, camping or roof loads; taxi or other commercial use; frequent high-speed driving or rapid acceleration; or frequent stop-and-go driving.Guide How to Change Transmission Fluid | As needed | |
| Drive Belt Inspection (2.5L)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 8,000 mi or 12 months, replace every 64,000 mi or 48 months. Severe: replace every 30,000 mi or 24 months and inspect every 5,000 mi or 6 months, under any of these conditions: extended idling or low-speed driving over long distances; rough, dusty, muddy, unpaved, gravel or salt-spread roads; areas that use road salt or other corrosive materials, or very cold weather; sand or dust entering the engine; patrol-car, taxi, other commercial use or vehicle towing; or frequent stop-and-go driving.Guide How to Replace a Serpentine Belt | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | |
| Brake Inspection (2.5L)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 | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | |
| Battery Inspection (2.5L)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 | 8,000 mi / 12 mo≈ 13,000 km / 12 mo | |
| Dual-Clutch Transmission Fluid (inspect)Inspect at 48, 96 and 144 months. Severe: replace every 56,000 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 | |
| Engine Oil & Filter (2.0L Hybrid)Safety itemSevere: every 3,000 mi or 6 months (Hyundai's footnote to the normal schedule says 5,000 mi) 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 | |
| Automatic Transmission Fluid (2.0L Hybrid)Normal: 'No check, No service required'. Severe: replace every 62,000 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; or frequent stop-and-go driving.Guide How to Change Transmission Fluid | As needed | |
| Transfer Case Fluid (AWD, inspect)Inspect at 48, 96 and 144 months. Severe: replace every 72,000 mi under conditions such as rough or salt-spread roads; road salt or very cold weather; hill or mountain driving; towing, camping or roof loads; or taxi or other commercial use.Guide How to Change Transfer Case Fluid (4x4 and AWD) | 32,000 mi / 48 mo≈ 51,000 km / 48 mo | |
| Rear Differential Fluid (AWD, inspect)Inspect at 48, 96 and 144 months. Severe: replace every 72,000 mi under conditions such as rough or salt-spread roads; road salt or very cold weather; hill or mountain driving; towing, camping or roof loads; or taxi or other commercial use.Guide How to Change Differential Fluid (Rear Axle and Front 4x4) | 32,000 mi / 48 mo≈ 51,000 km / 48 mo |
≈ converted from the other unit and rounded.
Contents
DN8 Sonata (2021–2024): four engines, four schedules
The eighth-generation Sonata (platform code DN8, 2020–present) covers four distinct powertrains across the 2021–2024 model years:
- 2.5L Smartstream naturally aspirated GDI/MPI I4 — SE, SEL, SEL Plus, Limited
- 1.6L Smartstream turbocharged GDI I4 — SEL Plus, Limited (not in the 2024 manual)
- 2.5L Smartstream turbocharged GDI I4 — N Line
- 2.0L Smartstream GDI I4 hybrid — Hybrid Blue, SEL, Limited
Each engine has its own oil, spark-plug, and coolant schedule, and several intervals shift again by model year. The figures below come from Hyundai's maintenance booklets, verified September 24, 2026. Where an interval changed between years, both are listed. Where the manual says "no fixed interval," the entry explains why. Where two model years give the same figure but the underlying note differs — a severe condition list, an inspection column, a revised printing — that difference is called out too, so you're not applying a 2021 rule to a 2024 car.
Model year matters more on the Sonata than most owners assume. Hyundai revised the coolant follow-up interval, the N Line's plug life, and the hybrid's brake-fluid schedule all within this four-year window, and none of those changes are obvious unless you compare manuals side by side.
For other Hyundai models, see the Hyundai maintenance schedule overview.
Engine oil and filter
2.5L naturally aspirated and 1.6L turbo, 2021–2024: every 8,000 miles or 12 months. Severe service: every 5,000 miles or 6 months. Both require API SN PLUS full synthetic oil. The 1.6L turbo does not appear in the 2024 maintenance booklet, so its entries here stop at the 2023 manual.
2.0L hybrid, 2021: every 7,500 miles or 12 months.
2.5L turbo (N Line), 2022–2024: every 8,000 miles or 12 months. Severe service: every 5,000 miles or 6 months.
2.0L hybrid, 2022–2023: every 8,000 miles or 12 months. Severe service: every 5,000 miles or 6 months if you're running oil below the recommended grade.
The hybrid's normal interval moved from 7,500 miles in 2021 to 8,000 miles from 2022 on. For the 2022–2023 hybrid, Hyundai's manual ties the 5,000-mile, 6-month severe interval to lower-grade oil.
Transmission and drivetrain
Automatic transmission fluid — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: no fixed interval under normal driving; the manual specifies "no check, no service required." Severe service under conditions A, C, E, F, G, I: replace every 60,000 miles.
Automatic transmission fluid — 2.0L hybrid, 2021–2023: no fixed interval under normal driving ("no check, no service required"). Hyundai lists no severe-service figure for the hybrid's transmission fluid.
Dual-clutch transmission fluid — 2.5L turbo (N Line), 2022–2024: inspect at 32,000 miles or 48 months, and again at 96 and 144 months. Severe service: replace every 64,000 miles per the 2022 manual, every 56,000 miles per the 2023–2024 manuals.
The N Line's DCT is the only Sonata transmission with a fixed inspection schedule — every other engine in the lineup runs "no check required" under normal driving.
Brakes, cooling and spark plugs
Brake fluid — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: replace every 48,000 miles or 48 months; inspect every 8,000 miles or 12 months.
Brake fluid — 2.0L hybrid, 2021: replace every 60,000 miles or 48 months; inspect every 7,500 miles or 12 months.
Brake fluid — 2.5L turbo (N Line), 2022–2024: replace every 48,000 miles or 48 months.
Brake fluid — 2.0L hybrid, 2022–2023: replace every 48,000 miles or 48 months; inspect every 8,000 miles or 12 months.
The hybrid's brake-fluid replacement interval dropped from 60,000 miles in 2021 to 48,000 miles from 2022 on, and the inspection interval lengthened from 7,500 miles to 8,000 miles at the same time.
Engine coolant — 2.5L naturally aspirated and 1.6L turbo, 2021–2022: first replacement at 120,000 miles or 120 months; every 30,000 miles or 24 months after that.
Engine coolant — 2.0L hybrid, 2021–2023: engine and inverter coolant, first replacement at 120,000 miles or 120 months (the manual states this as "10 years"); every 30,000 miles or 24 months after that.
Engine coolant — 2.5L turbo (N Line), 2022: first replacement at 120,000 miles or 120 months; every 30,000 miles or 24 months after that.
Engine coolant — 2.5L naturally aspirated, 1.6L turbo, and 2.5L turbo (N Line), 2023–2024: first replacement at 120,000 miles or 120 months; every 24,000 miles or 24 months after that — Hyundai shortened the follow-up interval from 30,000 to 24,000 miles starting in 2023.
Spark plugs — 2.5L naturally aspirated, 2021–2024: every 96,000 miles. Severe service under conditions A, B, F, G, H, I, K: more frequently.
Spark plugs — 2.0L hybrid, 2021–2023: every 100,000 miles.
Spark plugs — 1.6L turbo, 2021–2022: every 40,000 miles or 60 months, replaced at both the 60-month and 120-month (40,000-mile and 80,000-mile) service columns.
Spark plugs — 1.6L turbo, 2023: every 48,000 miles.
Spark plugs — 2.5L turbo (N Line), 2022: every 96,000 miles.
Spark plugs — 2.5L turbo (N Line), 2023–2024: every 48,000 miles — the N Line's plug interval was cut in half between the 2022 and 2023 manuals.
Filters
Engine air filter — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: replace every 24,000 miles or 36 months. Severe service under conditions C, E: more frequently.
Engine air filter — 2.0L hybrid, 2021: replace every 30,000 miles or 48 months, at every fourth column of the 7,500-mile service table.
Engine air filter — 2.5L turbo (N Line), 2022–2024: replace every 24,000 miles or 36 months.
Engine air filter — 2.0L hybrid, 2022–2023: replace every 24,000 miles or 36 months.
Cabin air filter — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: replace every 16,000 miles or 24 months. Severe service under conditions C, E: more frequently.
Cabin air filter — 2.0L hybrid, 2021: replace every 15,000 miles or 12 months.
Cabin air filter — 2.5L turbo (N Line), 2022–2024: replace every 16,000 miles or 24 months.
Cabin air filter — 2.0L hybrid, 2022–2023: replace every 16,000 miles or 24 months.
The hybrid's filter intervals moved closer to the rest of the lineup after 2021: the engine air filter went from 30,000 to 24,000 miles, and the cabin filter went from a 15,000-mile, 12-month cycle to 16,000 miles and 24 months.
The easy-to-miss items
Drive belt inspection — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: first inspection at 48,000 miles or 72 months; every 8,000 miles or 12 months after that.
Drive belt inspection — 2.5L turbo (N Line), 2022–2024: first inspection at 48,000 miles or 72 months; check your owner's manual for any repeat inspection after that.
Hybrid starter-generator belt — 2.0L hybrid, 2021: inspect every 7,500 miles or 12 months; replace every 67,500 miles or 48 months.
Hybrid starter-generator belt — 2.0L hybrid, 2022–2023: inspect every 8,000 miles or 12 months; replace every 72,000 miles or 48 months.
Brake inspection — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: every 8,000 miles or 12 months.
Brake inspection — 2.0L hybrid, 2021: every 7,500 miles or 12 months.
Brake inspection — 2.5L turbo (N Line), 2022–2024: every 8,000 miles or 12 months.
Brake inspection — 2.0L hybrid, 2022–2023: every 8,000 miles or 12 months.
Battery inspection — 2.5L naturally aspirated and 1.6L turbo, 2021–2024: every 8,000 miles or 12 months.
Battery inspection — 2.0L hybrid, 2021: every 7,500 miles or 12 months.
Battery inspection — 2.5L turbo (N Line), 2022–2024: every 8,000 miles or 12 months.
Battery inspection — 2.0L hybrid, 2022–2023: every 8,000 miles or 12 months.
Tire rotation — 2.5L naturally aspirated and 1.6L turbo, 2021–2022: every 8,000 miles.
Tire rotation — 2.0L hybrid, 2021: every 7,500 miles.
Tire rotation — 2.5L turbo (N Line), 2022: every 8,000 miles.
Tire rotation — 2.0L hybrid, 2022: every 8,000 miles.
Tire rotation — 2.5L naturally aspirated, 1.6L turbo, and 2.5L turbo (N Line), 2023–2024: every 8,000 miles or 12 months.
Tire rotation — 2.0L hybrid, 2023: every 8,000 miles or 12 months.
The N Line's dual-clutch transmission inspection is easy to miss, because no other Sonata engine has an equivalent fixed check on its transmission fluid. The hybrid's starter-generator belt is another: it is listed separately from the drive belt inspection and only applies to the hybrid powertrain, so check both its inspection and its replacement figure.
Common questions about the Hyundai Sonata
How often does a Hyundai Sonata need an oil change?
The 2.5L naturally aspirated, 1.6L turbo, and 2.5L turbo N Line engines all call for an oil change every 8,000 miles or 12 months. The hybrid ran 7,500 miles in 2021, then moved to 8,000 miles or 12 months from 2022 on.
Does the Sonata N Line need transmission fluid service?
The N Line's dual-clutch transmission fluid is inspected at 32,000 miles or 48 months, and again at 96 and 144 months, under normal driving. Severe service drops the replacement interval to 64,000 miles in the 2022 manual, or 56,000 miles in the 2023–2024 manuals.
Is the 1.6L turbo Sonata covered for 2024?
No. The 1.6L turbo is not in the 2024 manual, so its maintenance schedule here covers the 2021–2023 model years only. For a 2024 Sonata, follow the schedule for the engine listed in its 2024 manual.
Sources
- 2021 Hyundai Sonata Owner's Manual
- 2021 Sonata N-Line Owner's Manual
- 2021 Hyundai Sonata Hybrid Owner's Manual
- 2022 Hyundai Sonata Owner's Manual
- 2022 Hyundai Sonata Hybrid Owner's Manual
Intervals vary by market, engine and driving conditions; your owner's manual is the authority for your car.