Where is this data from?

Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.

Why do fluid capacities vary by generation for the Hyundai Ioniq?

Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

🧪Fluid Capacities

Hyundai Ioniq Fluid Capacities

Factory manual fluid capacities for the Hyundai Ioniq. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2022 Hyundai Ioniq: — POE

Generation	Years	Top spec
2022	2022	— POE
2021	2021	6.34 OZS. (0.18 L) — POE
2020	2020	6.34 OZS. (0.18 L) — POE

Structured Spec Sheet // Hyundai Ioniq Fluid Capacities

Quick Answer:2022 Hyundai Ioniq: — POE

Air Cond Compressor Oil (2022):— POE

Air Cond Refrigerant (2022):1.32 LBS. (0.59 KG) — R-1234yf

Automatic Transmission Fluid ( Automatic D C T Trans) (2022):— HK D DCTF TGO-10 (SK) SPIRAX S6 GHDE 70W DCTF (H.K.SHELL) 7 DCTF HKM (S-OIL) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Brake Fluid (2022):— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant (2022):3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil (2022):4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank ( Hybrid Blue, Hybrid Limited, Hybrid S E, Hybrid S E L) (2022):11.90 GALS. (45.04 L)

Fuel Tank ( Plug- In Hybrid Limited, Plug- In Hybrid S E, Plug- In Hybrid S E L) (2022):11.40 GALS. (43.15 L)

Air Cond Compressor Oil ( Electric) (2021):6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant ( Electric) (2021):1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid ( Electric, Automatic E D T Trans) (2021):— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid (2021):— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant ( Electric) (2021):— Designated coolant water for electric vehicles Note: Capacity is between: 10.88 - 11.31 qt.

Air Cond Compressor Oil ( Gas/ Electric) (2021):4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant ( Gas/ Electric) (2021):1.32 LBS. (0.59 KG) — R-134a

Automatic Transmission Fluid ( Gas/ Electric, Automatic D C T Trans) (2021):— HK D DCTF TGO-10 (SK) SPIRAX S6 GHDE 70W DCTF (H.K.SHELL) 7 DCTF HKM (S-OIL) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Engine Coolant ( Gas/ Electric) (2021):3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil ( Gas/ Electric) (2021):4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank ( Hybrid Blue, Hybrid Limited, Hybrid S E L, Gas/ Electric) (2021):11.90 GALS. (45.04 L)

Fuel Tank ( Plug- In Hybrid Limited, Plug- In Hybrid S E, Plug- In Hybrid S E L,) (2021):11.40 GALS. (43.15 L)

Air Cond Compressor Oil ( Electric) (2020):6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant ( Electric) (2020):1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid ( Electric, Automatic E D T Trans) (2020):— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid (2020):— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant ( Electric) (2020):— Designated coolant water for electric vehicles Note: Capacity is between: 4.86 - 4.97 qt.

Air Cond Compressor Oil ( Gas/ Electric) (2020):4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant ( Gas/ Electric) (2020):1.32 LBS. (0.59 KG) — R-134a

Automatic Transmission Fluid ( Gas/ Electric, Automatic D C T Trans) (2020):— HK SYN DCTF 70W (SK) SPIRAX S6 GHME 70W DCTF (H.K.SHELL) GS DCTF HD 70W (GS CALTEX) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Engine Coolant ( Gas/ Electric) (2020):3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil ( Gas/ Electric) (2020):4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank ( Hybrid Blue, Hybrid Limited, Hybrid S E L, Gas/ Electric) (2020):11.90 GALS. (45.04 L)

Fuel Tank ( Plug- In Hybrid Limited, Plug- In Hybrid S E, Plug- In Hybrid S E L,) (2020):11.40 GALS. (43.15 L)

Air Cond Compressor Oil ( Electric) (2018-2019):6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant ( Electric) (2018-2019):1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid ( Electric, Automatic E D T Trans) (2018-2019):— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid (2018-2019):— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant ( Electric) (2018-2019):— Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator) Note: Capacity is between: 4.86 - 4.97 qt.

Air Cond Compressor Oil ( Gas/ Electric) (2018-2019):4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant ( Gas/ Electric) (2018-2019):1.32 LBS. (0.59 KG) — R-134a

Automatic Transmission Fluid ( Gas/ Electric, Automatic D C T Trans) (2018-2019):— HK SYN DCTF 70W (SK) SPIRAX S6 GHME 70W DCTF (H.K.SHELL) GS DCTF HD 70W (GS CALTEX) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Engine Coolant ( Gas/ Electric) (2018-2019):3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil ( Gas/ Electric) (2018-2019):4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank ( Hybrid Blue, Hybrid Limited, Hybrid S E L, Gas/ Electric) (2018-2019):11.90 GALS. (45.04 L)

Fuel Tank ( Plug- In Hybrid, Plug- In Hybrid Limited, Gas/ Electric) (2018-2019):11.40 GALS. (43.15 L)

Air Cond Compressor Oil ( Electric) (2017):6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant ( Electric) (2017):1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid ( Electric, Automatic E D T Trans) (2017):— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid (2017):— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant ( Electric) (2017):— Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator) Note: Capacity is between: 4.86 - 4.97 qt.

Air Cond Compressor Oil ( Gas/ Electric) (2017):4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant ( Gas/ Electric) (2017):1.32 LBS. (0.59 KG) — R-134a

Automatic Transmission Fluid ( Gas/ Electric, Automatic D C T Trans) (2017):— HK SYN DCTF 70W (SK) SPIRAX S6 GHME 70W DCTF (H.K.SHELL) GS DCTF HD 70W (GS CALTEX) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Engine Coolant ( Gas/ Electric) (2017):3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil ( Gas/ Electric) (2017):4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank ( Gas/ Electric) (2017):11.90 GALS. (45.04 L)

This vehicle's factory manual

The spec is above. This opens the 2022 Hyundai Ioniq factory book. Use another year if yours is older.

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Hyundai Ioniq maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Hyundai Ioniq

2022 Hyundai Ioniq: — POE

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

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2022

2022Open 2022 manual

Air Cond Compressor Oil— POE

Air Cond Refrigerant1.32 LBS. (0.59 KG) — R-1234yf

Automatic Transmission Fluid (Automatic DCT Trans)— HK D DCTF TGO-10 (SK) SPIRAX S6 GHDE 70W DCTF (H.K.SHELL) 7 DCTF HKM (S-OIL) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Brake Fluid— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank (Hybrid Blue,Hybrid Limited,Hybrid SE,Hybrid SEL)11.90 GALS. (45.04 L)

Fuel Tank (Plug-In Hybrid Limited,Plug-In Hybrid SE,Plug-In Hybrid SEL)11.40 GALS. (43.15 L)

Notes

→Capacity is between: 1.69 - 1.79 qt.
→As required.
→Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Shop Exact Match on Amazon →Full Repair Guide →

2021

2021Open 2021 manual

Air Cond Compressor Oil (Electric)6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant (Electric)1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid (Electric,Automatic EDT Trans)— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant (Electric)— Designated coolant water for electric vehicles Note: Capacity is between: 10.88 - 11.31 qt.

Air Cond Compressor Oil (Gas/Electric)4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant (Gas/Electric)1.32 LBS. (0.59 KG) — R-134a

Automatic Transmission Fluid (Gas/Electric,Automatic DCT Trans)— HK D DCTF TGO-10 (SK) SPIRAX S6 GHDE 70W DCTF (H.K.SHELL) 7 DCTF HKM (S-OIL) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Engine Coolant (Gas/Electric)3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Engine Oil (Gas/Electric)4.00 QTS. (3.78 L) — SAE 0W-20 API SN (or above) or ACEA C2 Note: Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Fuel Tank (Hybrid Blue,Hybrid Limited,Hybrid SEL,Gas/Electric)11.90 GALS. (45.04 L)

Fuel Tank (Plug-In Hybrid Limited,Plug-In Hybrid SE,Plug-In Hybrid SEL,)11.40 GALS. (43.15 L)

Notes

→Capacity is between: 1.00 - 1.10 qt.
→As required.
→Capacity is between: 11.31 - 11.83 qt.
→Capacity is between: 10.88 - 11.31 qt.
→Capacity is between: 1.69 - 1.79 qt.
→Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Shop Exact Match on Amazon →Full Repair Guide →

2020

2020Open 2020 manual

Air Cond Compressor Oil (Electric)6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant (Electric)1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid (Electric,Automatic EDT Trans)— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant (Electric)— Designated coolant water for electric vehicles Note: Capacity is between: 4.86 - 4.97 qt.

Air Cond Compressor Oil (Gas/Electric)4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant (Gas/Electric)1.32 LBS. (0.59 KG) — R-134a

Automatic Transmission Fluid (Gas/Electric,Automatic DCT Trans)— HK SYN DCTF 70W (SK) SPIRAX S6 GHME 70W DCTF (H.K.SHELL) GS DCTF HD 70W (GS CALTEX) (API GL-4, SAE 70W) Note: Capacity is between: 1.69 - 1.79 qt.

Engine Coolant (Gas/Electric)3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Fuel Tank (Hybrid Blue,Hybrid Limited,Hybrid SEL,Gas/Electric)11.90 GALS. (45.04 L)

Fuel Tank (Plug-In Hybrid Limited,Plug-In Hybrid SE,Plug-In Hybrid SEL,)11.40 GALS. (43.15 L)

Notes

→Capacity is between: 1.00 - 1.10 qt.
→As required.
→Capacity is between: 4.33 - 4.44 qt.
→Capacity is between: 4.86 - 4.97 qt.
→Capacity is between: 1.69 - 1.79 qt.
→Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Shop Exact Match on Amazon →Full Repair Guide →

2018-2019

2018-2019Open 2018 manual

Air Cond Compressor Oil (Electric)6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant (Electric)1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid (Electric,Automatic EDT Trans)— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant (Electric)— Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator) Note: Capacity is between: 4.86 - 4.97 qt.

Air Cond Compressor Oil (Gas/Electric)4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant (Gas/Electric)1.32 LBS. (0.59 KG) — R-134a

Engine Coolant (Gas/Electric)3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Fuel Tank (Hybrid Blue,Hybrid Limited,Hybrid SEL,Gas/Electric)11.90 GALS. (45.04 L)

Fuel Tank (Plug-In Hybrid,Plug-In Hybrid Limited,Gas/Electric)11.40 GALS. (43.15 L)

Notes

→Capacity is between: 1.00 - 1.10 qt.
→As required.
→Capacity is between: 4.33 - 4.44 qt.
→Capacity is between: 4.86 - 4.97 qt.
→Capacity is between: 1.69 - 1.79 qt.
→Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Shop Exact Match on Amazon →Full Repair Guide →

2017

2017Open 2017 manual

Air Cond Compressor Oil (Electric)6.34 OZS. (0.18 L) — POE

Air Cond Refrigerant (Electric)1.21 LBS. (0.54 KG) — R-134a

Automatic Transmission Fluid (Electric,Automatic EDT Trans)— 70W, API GL-4 TCGO-9 (MS517-14) Note: Capacity is between: 1.00 - 1.10 qt.

Brake Fluid— FMVSS116 DOT 3 or DOT 4 Brake Fluid Note: As required.

Engine Coolant (Electric)— Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator) Note: Capacity is between: 4.86 - 4.97 qt.

Air Cond Compressor Oil (Gas/Electric)4.58 OZS. (0.13 L) — POE

Air Cond Refrigerant (Gas/Electric)1.32 LBS. (0.59 KG) — R-134a

Engine Coolant (Gas/Electric)3.38 QTS. (3.19 L) — Mixture of antifreeze and water (Phosphate-based Ethylene glycol coolant for aluminum radiator)

Fuel Tank (Gas/Electric)11.90 GALS. (45.04 L)

Notes

→Capacity is between: 1.00 - 1.10 qt.
→As required.
→Capacity is between: 4.33 - 4.44 qt.
→Capacity is between: 4.86 - 4.97 qt.
→Capacity is between: 1.69 - 1.79 qt.
→Engine oils labeled Energy Conserving Oil are now available. Along with other additional benefits, they contribute to fuel economy by reducing the amount of fuel necessary to overcome engine friction. Often, these improvements are difficult to measure in everyday driving, but in a year's time, they can offer significant cost and energy savings. If the ACEA C2 engine oil is not available in your country, you are able to use ILSAC GF-3 (or above) or ACEA A3 (or above).

Shop Exact Match on Amazon →Full Repair Guide →

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Hyundai Ioniq Fluid Service Kit

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The 2 things people always forget

Long-Neck Funnel

Transmission and differential fill holes are recessed. A short funnel makes a mess.

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Fluid Extraction Pump

Removing old brake fluid from the reservoir without a pump contaminates the master cylinder.

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Fluids — Manual's Parts List

Everything for a full fluid service weekend.

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Opens Amazon with Hyundai Ioniq prefilled so you can confirm fitment and avoid wrong parts.

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1
Engine Oil
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2
Coolant
Match color/chemistry — never mix types
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3
Long-Neck Funnel
Transmission and differential fill holes are recessed
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4
Fluid Extraction Pump
Remove old brake fluid from reservoir without mess
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5
Shop Rags
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One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

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Fluid Extraction Pump

Cleanly remove old fluids from reservoirs.

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Clean Shop Rags

Lint-free rags for cleaning dipsticks and spills.

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Multi-Purpose Funnel

Long-neck funnel for hard-to-reach fill points.

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Nitrile Gloves

Keep hands clean during multi-fluid maintenance.

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Project Essentials

Basic tool sets, gloves, and cleaning supplies for your Hyundai Ioniq so the job is ready when the parts arrive.

Frequently Asked Questions

Where is this data from?: Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
What fluid capacities does a Hyundai Ioniq use?: 2022 Hyundai Ioniq: — POE
Why do fluid capacities vary by generation for the Hyundai Ioniq?: Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-29

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Hyundai Ioniq Fluid Capacities

Quick Answer

This vehicle's factory manual

Know the exact fluid capacities job for your Hyundai Ioniq

Exact Vehicle Check

2022

2021

2020

2018-2019

2017

Manual already checked Amazon for you

Hyundai Ioniq Fluid Service Kit

Long-Neck Funnel

Fluid Extraction Pump

Fluids — Manual's Parts List

One-Trip Shopping List

Fluid Extraction Pump

Clean Shop Rags

Multi-Purpose Funnel

Nitrile Gloves

Project Essentials

Frequently Asked Questions

Hyundai Ioniq Repair Guides

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