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Checked oil specs by engine

2021 Hyundai Tucson oil capacity, type & filter

The 2021 Hyundai Tucson takes 4.2 qt of 5W-20 (2.0L 4-Cyl) and 5.1 qt of 5W-20 (2.4L 4-Cyl) and 5.3 qt of 0W-20 (1.6L Hybrid) and 7.2 qt of 0W-20 (2.5L). Select your engine below before buying.

2021 Hyundai Tucson oil specs by engine
Engine Capacity Oil Type Filter
2.0L 4-Cyl 4.2 qt 5W-20 AMSOIL EA15K20
2.4L 4-Cyl 5.1 qt 5W-20 AMSOIL EA15K20
1.6L Hybrid 5.3 qt 0W-20 —
2.5L 7.2 qt 0W-20 —

Match one of 4 checked engine options before buying oil or a filter.

2.0L 4-Cyl
Capacity 4.2 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 5 qt total; listed capacity is 4.2 qt.
Oil type 5W-20 i Based on 2 checked sources: Pennzoil OATS and Castrol (Olyslager). Additional cross-check is still pending: agreement across all checked oil-type sources. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters Options cross-checked
AMSOIL Shown first EA15K20 Search EA15K20 WIX 51334 Search 51334 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 Purolator L14459 Search L14459 PRO-TEC PXL51334 Search PXL51334

AMSOIL EA15K20 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

2.4L 4-Cyl
Capacity 5.1 qt i Based on 2 checked sources: AMSOIL Lookup and Pennzoil OATS. Additional cross-check is still pending: capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-20 i Based on 2 checked sources: Pennzoil OATS and Castrol (Olyslager). Additional cross-check is still pending: agreement across all checked oil-type sources. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters Options cross-checked
AMSOIL Shown first EA15K20 Search EA15K20 WIX 51334 Search 51334 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 Purolator L14459 Search L14459 PRO-TEC PXL51334 Search PXL51334

AMSOIL EA15K20 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

1.6L Hybrid
Capacity 5.3 qt i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked capacity source and normal service-fill capacity. Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 0W-20 i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked oil-type source. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
2.5L
Capacity 7.2 qt i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked capacity source and normal service-fill capacity. Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 0W-20 i Based on 1 checked source: Castrol (Olyslager). Additional cross-check is still pending: a second checked oil-type source. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.

5 sources checked Last checked: 2026-06-23 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-20
Mobil 1 Extended Performance 5W-20 → Castrol GTX Magnatec 5W-20 → Pennzoil Platinum 5W-20 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

Full synthetic options for 0W-20
Mobil 1 Extended Performance 0W-20 → Castrol Edge 0W-20 → Pennzoil Platinum 0W-20 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2021 Hyundai Tucson oil specs: capacity conditions and filter notes

Which engine applies?

Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.

Filter part numbers

All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.

Capacity condition

With filter means the volume includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only. This page includes at least one dry-fill-only capacity value.

Filter status

Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2021 Hyundai Tucson

Capacity sources

Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).

Oil type sources

Supported by Pennzoil OATS and Castrol (Olyslager).

Filter sources

Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.

Source coverage

5 checked source rows for the 2021 Hyundai Tucson.

Before ordering for this 2021 Hyundai Tucson

Checkout verification checklist
2.0L 4-Cyl Buy →
Capacity
4.2 qt
Oil type
5W-20
Interval
7,500 mi / 12 mo
Filter
AMSOIL EA15K20
2.4L 4-Cyl Buy →
Capacity
5.1 qt
Oil type
5W-20
Interval
7,500 mi / 12 mo
Filter
AMSOIL EA15K20
1.6L Hybrid Buy →
Capacity
5.3 qt (Dry fill)
Oil type
0W-20
Interval
8,000 mi / 12 mo
Filter
Unverified
2.5L Buy →
Capacity
7.2 qt (Dry fill)
Oil type
0W-20
Interval
8,000 mi / 12 mo
Filter
Unverified

Source check: Last checked 2026-06-23 from AMSOIL Lookup, Pennzoil OATS, Purolator Part Finder, RockAuto, and Castrol (Olyslager).

Hyundai Tucson oil specs by year

This table includes checked Hyundai Tucson model years available in our database.

Year Capacity Oil type Filter
2025 4.8 qt (multiple engines) 0W-20 WIX 51032
2024 4.8 qt (multiple engines) 0W-20 WIX 51032
2023 4.8 qt (multiple engines) 0W-20 PO99518EX
2022 4.8 qt (multiple engines) 0W-20 PO99518EX
2021 Current page 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2020 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2019 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2018 4.8 qt (multiple engines) 5W-30 AMSOIL EA15K20
2017 4.8 qt (multiple engines) 5W-30 AMSOIL EA15K20
2016 4.8 qt (multiple engines) 5W-30 AMSOIL EA15K20
2014 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2013 4.3 qt (multiple engines) 5W-20 Purolator L14459
2012 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2011 4.2 qt (multiple engines) 5W-20 PRO-TEC PXL51334
2010 4.8 qt (multiple engines) 5W-20 AMSOIL EA15K20
2009 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2008 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2007 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2006 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20
2005 4.2 qt (multiple engines) 5W-20 AMSOIL EA15K20

How we verified 2021 Hyundai Tucson oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-23.

This page checked 5 sources for the 2021 Hyundai Tucson. The table lists which checked source contributed capacity, oil type, or filter evidence.

We checked leading oil brands and aftermarket filter catalogs so you don't have to.

Confidence
Cross-check pending i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 2.0L 4-Cyl oil type, 2.4L 4-Cyl capacity, 2.4L 4-Cyl oil type, 1.6L Hybrid capacity, 1.6L Hybrid oil type, 2.5L capacity, and 2.5L oil type. Use the listed values as references and confirm the exact engine before ordering or adding oil. See how we verify. Learn how we verify fitment
Sources checked
5
Last checked
2026-06-23
Field-level source support
  • Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
  • Oil type: Pennzoil OATS and Castrol (Olyslager)
  • Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
  • Change interval: Pennzoil OATS and Castrol (Olyslager)
Source Supports Checked Link
AMSOIL Lookup Capacity, Filter 2026-06-23 Visit brand site
Pennzoil OATS Capacity, Oil type 2026-06-23 Visit brand site
Purolator Part Finder Filter 2026-06-23 Visit brand site
RockAuto Filter 2026-06-23 Checked source
Castrol (Olyslager) Oil type, Capacity 2026-06-23 Visit brand site

2021 Hyundai Tucson maintenance checklist

One part checked. Look up the rest while you're here.

Where to buy

These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.

This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.

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