Checked oil specs by engine

2015 Hyundai Elantra GT oil capacity, type & filter

The 2015 Hyundai Elantra GT takes 4.2 qt of 5W-20 oil.

Applies to checked engine: 2.0L 4-Cyl. Also check 2015 Hyundai Elantra .

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
PRO-TEC Shown first PXL51334 Search PXL51334 AMSOIL EA15K20 Search EA15K20 WIX 51334 Search 51334 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 K&N HP-1004 Search HP-1004

PRO-TEC PXL51334 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

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

Full synthetic options for 5W-20

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

2015 Hyundai Elantra GT oil specs: capacity conditions and filter notes

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.

Verify before checkout

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

Source coverage for the 2015 Hyundai Elantra GT

Capacity sources

Supported by Pennzoil OATS and AMSOIL Lookup.

Oil type sources

Supported by Pennzoil OATS and Castrol (Olyslager).

Filter sources

Supported by K&N Filters, RockAuto, and AMSOIL Lookup.

Source coverage

5 checked source rows for the 2015 Hyundai Elantra GT.

Before ordering for this 2015 Hyundai Elantra GT

Checkout verification checklist
2.0L 4-Cyl Buy →
Capacity
4.2 qt
Oil type
5W-20
Interval
7,500 mi / 12 mo
Filter
PRO-TEC PXL51334

Source check: Last checked 2026-06-23 from Pennzoil OATS, RockAuto, K&N Filters, AMSOIL Lookup, and Castrol (Olyslager).

Hyundai Elantra GT oil specs by year

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

Year Capacity Oil type Filter
2020 4.8 qt (multiple engines) 5W-30 AMSOIL EA15K20
2019 4.8 qt (multiple engines) 5W-30 AMSOIL EA15K20
2018 4.8 qt (multiple engines) 5W-30 AMSOIL EA15K20
2016 4.2 qt 5W-20 AMSOIL EA15K20
2015 Current page 4.2 qt 5W-20 PRO-TEC PXL51334
2014 4.2 qt 5W-20 AMSOIL EA15K20
2013 4.2 qt 5W-20 AMSOIL EA15K20

How we verified 2015 Hyundai Elantra GT oil data

How we verify fitment

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

This page checked 5 sources for the 2015 Hyundai Elantra GT. 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. 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 and AMSOIL Lookup
  • Oil type: Pennzoil OATS and Castrol (Olyslager)
  • Filter: K&N Filters, RockAuto, and AMSOIL Lookup
  • Change interval: Pennzoil OATS and Castrol (Olyslager)
Source Supports Checked Link
Pennzoil OATS Capacity, Oil type 2026-06-23 Visit brand site
RockAuto Filter 2026-06-23 Checked source
K&N Filters Filter 2026-06-23 Visit brand site
AMSOIL Lookup Capacity, Filter 2026-06-23 Visit brand site
Castrol (Olyslager) Oil type 2026-06-23 Visit brand site

2015 Hyundai Elantra GT oil FAQ

Is the oil capacity measured with or without the filter?

Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.

Why should I confirm before buying?

Retailer catalogs can update separately. Confirm the exact 2015 Hyundai Elantra GT selector at checkout before you buy.

Do I also need to match the OEM oil approval?

Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.

How often should I change the oil on a 2015 Hyundai Elantra GT?

Castrol's service data indicates a 7,500 mi / 12 mo change interval for the 2015 Hyundai Elantra GT. Always follow your owner's manual and oil-life monitor. Severe service may require a shorter interval.

Do I need a new drain plug gasket?

Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.

2015 Hyundai Elantra GT 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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