Eight quarts of engine oil (including the oil filter) is the standard capacity for the 2020 GMC Sierra 1500 equipped with the 5.3L V8.
For the 2020 Sierra 1500, the 5.3-liter V8 typically requires about 8.0 quarts of oil when performing an oil change with a new filter. This figure is widely cited in GM service data and owner resources and applies to the common configurations of the 5.3L V8. Always verify against your vehicle’s manual or with a GM dealer, as variations can occur with aftermarket filters or engine modifications.
Oil capacity specifics for the 2020 Sierra 1500 5.3L
Below are the core figures you should know before you change your oil on most 2020 Sierra 1500 models with the 5.3L V8 (RPO LY5).
The following key facts apply to most 2020 Sierra 1500 5.3L configurations when performing an oil change with a new filter:
- Oil capacity: 8 quarts (with filter).
- Recommended oil grade: 0W-20 full synthetic (consult the owner's manual for your climate and driving conditions).
- Notes: Capacity is typical for the LY5 5.3L V8 with the standard oil filter; variations are possible if a different filter is used or if the engine is serviced outside factory specifications.
When performing routine maintenance, make sure to replace the oil filter and use the recommended viscosity to maintain engine protection and warranty coverage. The oil capacity value is intended for a standard oil change with filter replacement.
Additional maintenance considerations
Keep the oil change documentation and reminders (like the oil life monitor) up-to-date. If towing heavy loads or operating in extreme temperatures, consult your manual for any manufacturer advisories regarding oil viscosity or capacity adjustments.
Summary
The standard oil capacity for the 2020 GMC Sierra 1500 with the 5.3L V8 is eight quarts, including the filter, when performing a typical oil change. Always verify with the owner's manual or a GM dealership for the exact specification on your specific vehicle configuration.
How many quarts of oil does a 2020 GMC Sierra 5.3 liter take?
8 quarts
5.3L V8 – 8 quarts.
What kind of oil does a 2020 GMC 5.3 take?
Current Generation (2019–Present, “T1”) 5.3L V8 (L84) & 6.2L V8 (L87): OEM calls for SAE 0W-20 meeting dexos1™ approval.
What year to stay away from GMC Sierra 1500?
GMC Sierra Years to Avoid
From 2014 to 2015, the first years of the fourth generation saw some electrical issues with the accessories, such as dashboard gauges and the transfer case for AWD vehicles. These same issues were endemic to the 2012 models from a few years before.
What oil does a 2020 GMC Sierra 1500 take?
GMC Sierra 1500 Oil Requirements by Engine and Year
| Years | Engine | Oil Type |
|---|---|---|
| GASOLINE ENGINES | ||
| 2019-2024 | 2.7L Turbo I4 | SAE 5W-30 Dexos1 Gen 2 |
| 2014-2018 | 4.3L V6 | SAE 5W-30 Dexos1 Gen 2 |
| 2014-2024 | 5.3L V8 (DFM) | SAE 0W-20 Dexos1 Gen 2 |