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Checked oil specs by engine

2020 Porsche Boxster oil capacity, type & filter

Multiple engine options are listed for the 2020 Porsche Boxster. Select your engine below before buying oil or a filter.

2020 Porsche Boxster oil specs by engine
Engine Capacity Oil Type Filter
2.0L H4 Turbo 6 qt 0W-40 Purolator PL21446
4.0L 11.1 qt — —

Match one of 2 checked engine options before buying oil or a filter. Also check 2020 Porsche Boxster T .

2.0L H4 Turbo
Capacity 6 qt i Based on 1 checked source: Pennzoil OATS. Additional cross-check is still pending: a second checked capacity source and 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-40 i Based on 1 checked source: Pennzoil OATS. 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
Purolator Shown first PL21446 Search PL21446

Confirm Purolator PL21446 in the retailer selector before checkout.

i Based on 1 checked source: Purolator Part Finder. Additional cross-check is still pending: another filter catalog cross-check and alternate part-number support. Use it as a reference, then confirm the exact filter part number at checkout. See how we verify. Learn how we verify fitment
4.0L
Capacity 11.1 qt i Based on 1 checked source: Valvoline Product Finder. Additional cross-check is still pending: a second checked capacity source and 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 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.

3 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 0W-40
Mobil 1 0W-40 → Castrol Edge 0W-40 → Liqui Moly Leichtlauf 0W-40 →

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

2020 Porsche Boxster 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 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 2020 Porsche Boxster

Capacity sources

Supported by Pennzoil OATS and Valvoline Product Finder.

Oil type sources

Supported by Pennzoil OATS.

Filter sources

Supported by Purolator Part Finder.

Source coverage

3 checked source rows for the 2020 Porsche Boxster.

Before ordering for this 2020 Porsche Boxster

Checkout verification checklist
2.0L H4 Turbo Buy →
Capacity
6 qt
Oil type
0W-40
Filter
Purolator PL21446
4.0L Buy →
Capacity
11.1 qt
Oil type
Unverified
Filter
Unverified

Source check: Last checked 2026-06-27 from Pennzoil OATS, Purolator Part Finder, and Valvoline Product Finder.

Porsche Boxster oil specs by year

This table includes checked Porsche Boxster model years available in our database.

Year Capacity Oil type Filter
2020 Current page 6 qt (multiple engines) 0W-40 Purolator PL21446
2019 6 qt (multiple engines) 0W-40 Purolator PL21446
2018 6 qt (multiple engines) 0W-40 Purolator PL21446
2017 6 qt (multiple engines) 0W-40 Purolator PL21446
2015 7.9 qt (multiple engines) 0W-40 PG99090EX
2014 7.9 qt (multiple engines) 0W-40 PG99090EX
2013 7.9 qt (multiple engines) 0W-40 PG99090EX
2012 7.9 qt (multiple engines) 0W-40 PG99090EX
2011 7.9 qt (multiple engines) 0W-40 PG99090EX
2010 7.9 qt (multiple engines) 0W-40 PG99090EX
2009 7.9 qt (multiple engines) 0W-40 ECOGARD X5316
2008 8.2 qt (multiple engines) 0W-40 Purolator L25316
2007 8.2 qt (multiple engines) 0W-40 Purolator L25316
2006 8.2 qt (multiple engines) 0W-40 ECOGARD X5316
2005 8.2 qt (multiple engines) 0W-40 PG5250

How we verified 2020 Porsche Boxster oil data

How we verify fitment

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

This page checked 3 sources for the 2020 Porsche Boxster. 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 H4 Turbo capacity, 2.0L H4 Turbo oil type, 2.0L H4 Turbo oil filter, and 4.0L capacity. 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
3
Last checked
2026-06-27
Field-level source support
  • Capacity: Pennzoil OATS and Valvoline Product Finder
  • Oil type: Pennzoil OATS
  • Filter: Purolator Part Finder
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
Valvoline Product Finder Capacity 2026-06-27 Checked source

2020 Porsche Boxster 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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Other 2020 Porsche Boxster lookups: Cabin air filter · Engine air filter