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2014 GMC Sierra 2500 HD oil capacity, type & filter

The 2014 GMC Sierra 2500 HD takes 10 qt of 15W-40 (6.6L 8-Cyl Turbo Diesel) and 6 qt of 5W-30 (6.0L V8 Hybrid) and 6 qt of 5W-30 (4.3L V6) and 8.5 qt of 0W-20 (5.3L V8) and 8.5 qt of 0W-20 (6.2L V8). Select your engine below before buying.

2014 GMC Sierra 2500 HD oil specs by engine
Engine Capacity Oil Type Filter
6.6L 8-Cyl Turbo Diesel 10 qt 15W-40 WIX 51518
6.0L V8 Hybrid 6 qt 5W-30 AMSOIL EA15K50
4.3L V6 6 qt 5W-30 —
5.3L V8 8.5 qt 0W-20 —
6.2L V8 8.5 qt 0W-20 —

Match one of 5 checked engine options before buying oil or a filter. Also check 2014 GMC Sierra .

6.6L 8-Cyl Turbo Diesel
Capacity 10 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 10 qt total; listed capacity is 10 qt.
Oil type 15W-40 Above -18°C OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters
WIX Shown first 51518 Search 51518 WIX 51519 Search 51519 WIX 51520 Search 51520 AMSOIL EA15K01 Search EA15K01

WIX 51518 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

i Based on 1 checked source: AMSOIL Lookup. Additional cross-check is still pending: another filter catalog cross-check. Use it as a reference, then confirm the exact filter part number at checkout. See how we verify. Learn how we verify fitment
6.0L V8 Hybrid
Capacity 6 qt i Based on 3 checked sources: AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager). 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-30 i Based on 2 checked sources: Valvoline Product Finder 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
AMSOIL Shown first EA15K50 Search EA15K50 WIX 51992 Search 51992 WIX 51993 Search 51993 WIX 51994 Search 51994 WIX 51525 Search 51525 WIX 51526 Search 51526 WIX 51527 Search 51527 WIX 51528 Search 51528

AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

i Based on 1 checked source: AMSOIL Lookup. Additional cross-check is still pending: another filter catalog cross-check. Use it as a reference, then confirm the exact filter part number at checkout. See how we verify. Learn how we verify fitment
4.3L V6
Capacity 6 qt i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). 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-30 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. 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.
5.3L V8
Capacity 8.5 qt i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). 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 0W-20 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. 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.
6.2L V8
Capacity 8.5 qt i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). 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 0W-20 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. 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.

4 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.

2014 GMC Sierra 2500 HD 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.

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 2014 GMC Sierra 2500 HD

Capacity sources

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

Oil type sources

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

Filter sources

Supported by AMSOIL Lookup.

Source coverage

4 checked source rows for the 2014 GMC Sierra 2500 HD.

Before ordering for this 2014 GMC Sierra 2500 HD

Checkout verification checklist
6.6L 8-Cyl Turbo Diesel Verified fit Buy →
Capacity
10 qt
Oil type
15W-40 (Above -18°C)
Interval
7,500 mi / 12 mo
Filter
WIX 51518
6.0L V8 Hybrid Buy →
Capacity
6 qt
Oil type
5W-30
Interval
7,500 mi / 12 mo
Filter
AMSOIL EA15K50
4.3L V6 Buy →
Capacity
6 qt
Oil type
5W-30
Interval
7,500 mi / 12 mo
Filter
Unverified
5.3L V8 Buy →
Capacity
8.5 qt
Oil type
0W-20
Interval
7,500 mi / 12 mo
Filter
Unverified
6.2L V8 Buy →
Capacity
8.5 qt
Oil type
0W-20
Interval
7,500 mi / 12 mo
Filter
Unverified

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

GMC Sierra 2500 HD oil specs by year

This table includes checked GMC Sierra 2500 HD model years available in our database.

Year Capacity Oil type Filter
2019 10 qt (multiple engines) 5W-40 Purolator L35399
2018 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2017 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2016 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2015 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2014 Current page 10 qt (multiple engines) 15W-40 WIX 51518
2013 10 qt (multiple engines) 5W-40 AMSOIL EA15K01
2012 10 qt (multiple engines) 5W-40 AMSOIL EA15K01
2011 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2010 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2009 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2008 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2007 6 qt (multiple engines) 5W-30 AMSOIL EA15K50
2006 6 qt (multiple engines) 5W-30 AMSOIL EA15K32
2005 6 qt (multiple engines) 5W-30 AMSOIL EA15K32

How we verified 2014 GMC Sierra 2500 HD oil data

How we verify fitment

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

This page checked 4 sources for the 2014 GMC Sierra 2500 HD. 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: 6.6L 8-Cyl Turbo Diesel oil filter, 6.0L V8 Hybrid capacity, 6.0L V8 Hybrid oil type, 6.0L V8 Hybrid oil filter, 4.3L V6 capacity, 4.3L V6 oil type, 5.3L V8 capacity, 5.3L V8 oil type, 6.2L V8 capacity, and 6.2L V8 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
4
Last checked
2026-06-27
Field-level source support
  • Capacity: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
  • Oil type: Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
  • Filter: AMSOIL Lookup
  • Change interval: Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
Source Supports Checked Link
AMSOIL Lookup Capacity, Oil type, Filter 2026-06-27 Visit brand site
Pennzoil OATS Capacity 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

2014 GMC Sierra 2500 HD 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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