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Checked oil specs by engine

2021 GMC Sierra 1500 oil capacity, type & filter

Multiple engine options are listed for the 2021 GMC Sierra 1500. Select your engine below before buying oil or a filter.

2021 GMC Sierra 1500 oil specs by engine
Engine Capacity Oil Type Filter
2.7L 4-Cyl Turbo 6 qt 5W-30 Purolator L11424
3.0L 6-Cyl Turbo Diesel 7 qt 0W-20 Purolator L11424
4.3L V6 6 qt 5W-30 Purolator L22500
5.3L V8 8 qt 0W-20 Purolator L22500
6.2L V8 8 qt 0W-20 Purolator L22500
6.6L V8 Diesel — — —

Match one of 6 checked engine options before buying oil or a filter. Also check 2021 GMC Sierra .

2.7L 4-Cyl Turbo
Capacity 6 qt Verified fit Buy at least 6 qt total; listed capacity is 6 qt (With filter).
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
Purolator Shown first L11424 Search L11424 PRO-TEC PXL10351 Search PXL10351 WIX 51032 Search 51032 WIX 51036 Search 51036 WIX 51040 Search 51040 WIX 51042 Search 51042

Purolator L11424 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3.0L 6-Cyl Turbo Diesel
Capacity 7 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 7 qt total; listed capacity is 7 qt.
Oil type 0W-20 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
Purolator Shown first L11424 Search L11424 PRO-TEC PXL10351 Search PXL10351 WIX 51032 Search 51032 WIX 51036 Search 51036 WIX 51040 Search 51040 WIX 51042 Search 51042

Purolator L11424 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

4.3L V6
Capacity 6 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 6 qt total; listed capacity is 6 qt.
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
Purolator Shown first L22500 Search L22500 PRO-TEC PXL10255 Search PXL10255 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 AMSOIL EA15K04 Search EA15K04

Purolator L22500 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

5.3L V8
Capacity 8 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 8 qt total; listed capacity is 8 qt.
Oil type 0W-20 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
Purolator Shown first L22500 Search L22500 PRO-TEC PXL10255 Search PXL10255 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 AMSOIL EA15K04 Search EA15K04

Purolator L22500 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

6.2L V8
Capacity 8 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 8 qt total; listed capacity is 8 qt.
Oil type 0W-20 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
Purolator Shown first L22500 Search L22500 PRO-TEC PXL10255 Search PXL10255 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 AMSOIL EA15K04 Search EA15K04

Purolator L22500 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

6.6L V8 Diesel
Capacity Not confirmed Confirm the service-fill amount for this engine before adding oil.
Oil type Not confirmed Confirm the viscosity grade for this engine before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
Specs not yet confirmed for this engine. Search Amazon for 2021 GMC Sierra 1500 6.6L V8 Diesel oil →

6 sources checked Last checked: 2026-06-27 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-30
Mobil 1 Extended Performance 5W-30 → Castrol Edge 5W-30 → Pennzoil Platinum 5W-30 →

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 GMC Sierra 1500 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.

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 GMC Sierra 1500

Capacity sources

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

Oil type sources

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

Filter sources

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

Source coverage

6 checked source rows for the 2021 GMC Sierra 1500.

Before ordering for this 2021 GMC Sierra 1500

Checkout verification checklist
2.7L 4-Cyl Turbo Verified fit Buy →
Capacity
6 qt (With filter)
Oil type
5W-30
Interval
12 mo
Filter
Purolator L11424
3.0L 6-Cyl Turbo Diesel Verified fit Buy →
Capacity
7 qt
Oil type
0W-20
Interval
12 mo
Filter
Purolator L11424
4.3L V6 Verified fit Buy →
Capacity
6 qt
Oil type
5W-30
Interval
12 mo
Filter
Purolator L22500
5.3L V8 Verified fit Buy →
Capacity
8 qt
Oil type
0W-20
Interval
12 mo
Filter
Purolator L22500
6.2L V8 Verified fit Buy →
Capacity
8 qt
Oil type
0W-20
Filter
Purolator L22500
6.6L V8 Diesel
Capacity
Unverified
Oil type
Unverified
Filter
Unverified

Source check: Last checked 2026-06-27 from Pennzoil OATS, Purolator Part Finder, RockAuto, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager).

GMC Sierra 1500 oil specs by year

This table includes checked GMC Sierra 1500 model years available in our database.

Year Capacity Oil type Filter
2025 6 qt (multiple engines) 5W-30 WIX 51032
2024 6 qt (multiple engines) 5W-30 Purolator L11424
2023 6 qt (multiple engines) 5W-30 PRO-TEC PXL10351
2022 6 qt (multiple engines) 5W-30 Purolator L11424
2021 Current page 6 qt (multiple engines) 5W-30 Purolator L11424
2020 6 qt (multiple engines) 5W-30 WIX 51032
2019 8 qt (multiple engines) 0W-20 AMSOIL EA15K01
2018 6 qt (multiple engines) 5W-30 AMSOIL EA15K01
2017 6 qt (multiple engines) 5W-30 AMSOIL EA15K01
2016 6 qt (multiple engines) 5W-30 PRO-TEC PXL10255
2015 6 qt (multiple engines) 5W-30 PRO-TEC PXL10255
2014 6 qt (multiple engines) 5W-30 PRO-TEC PXL10255
2013 4.5 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH47
2012 6 qt (multiple engines) 5W-30 Purolator L12222
2011 4.5 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH47
2010 6 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH48
2009 4.5 qt (multiple engines) 0W-30 AMSOIL EA15K29
2008 4.5 qt (multiple engines) 5W-30 AMSOIL EA15K29
2007 4.5 qt (multiple engines) 5W-30 AMSOIL EA15K29
2006 4.5 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH47
2005 6 qt (multiple engines) 0W-30 AMSOIL EA15K32

How we verified 2021 GMC Sierra 1500 oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-27.

This page checked 6 sources for the 2021 GMC Sierra 1500. 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
Verified fit
Sources checked
6
Last checked
2026-06-27
Field-level source support
  • Capacity: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
  • Oil type: Pennzoil OATS, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager)
  • Filter: Purolator Part Finder, RockAuto, and AMSOIL Lookup
  • Change interval: Pennzoil OATS, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager)
Source Supports Checked Link
Pennzoil OATS Capacity, Oil type 2026-06-27 Visit brand site
Purolator Part Finder Filter 2026-06-27 Visit brand site
RockAuto Filter 2026-06-27 Checked source
AMSOIL Lookup Capacity, Filter, Oil type 2026-06-27 Visit brand site
Valvoline Product Finder Capacity, Oil type 2026-06-27 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-27 Visit brand site

2021 GMC Sierra 1500 maintenance checklist

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

Where to buy

These are retailer search paths for your vehicle's oil and filter specs. Verify final fitment at checkout.

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

Look up another vehicle

Find checked oil capacity, type, and filter data by exact year, make, and model.

Other 2021 GMC Sierra 1500 lookups: Cabin air filter · Engine air filter · Wiper blade size