2016 Subaru Legacy Oil Type & Capacity

The 2016 Subaru Legacy oil type depends on the engine: the 2.5i takes 0W-20 (5.1 quarts qt with filter); the 2.5i Limited takes 0W-20 (5.1 quarts qt with filter); the 2.5i Premium takes 0W-20 (5.1 quarts qt with filter); the 3.6R Limited takes 5W-30 (6.9 quarts qt with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
2.5i — 2.5L EngILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil5.10 QTS.4.90 QTS.If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
2.5i Limited — 2.5L EngILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil5.10 QTS.4.90 QTS.If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
2.5i Premium — 2.5L EngILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil5.10 QTS.4.90 QTS.If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
3.6R Limited — 3.6L EngILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil6.90 QTS.6.70 QTS.Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.
📦 DIY Oil Change Kit Builder

Complete Oil Change Bundle for 2016 Subaru Legacy

Everything you need delivered in one order. Pre-matched to your factory spec (0W-20, 5.1 quarts).

Preferred Oil Brand:
Mobil 1 0W-20 Full Synthetic OilExact Spec
5-Quart Jug + 1-Quart Bottle (5.1 quarts needed)
$37.96Item Link ↗
2016 Subaru Legacy Premium Synthetic Oil FilterExact Fit
OEM-fitment high-efficiency synthetic filter media (2.5i)
$11.99Item Link ↗
Oil Drain Plug Crush Washer Gaskets (5-Pack)Recommended
Direct-fit replacement seal — prevents oil leaks after tightening
$6.99Item Link ↗
15-Quart Low-Profile Drain Pan with Pour SpoutTool
Catch-all basin with anti-splash lip & secure transport cap
$18.99Item Link ↗
RhinoRamps 12,000 lb Drive-Up Vehicle RampsTool
Safe driveway clearance for quick vehicle underbody access
$49.99Item Link ↗
Heavy-Duty Black Nitrile Gloves (Box of 100)PPE
6-mil commercial-grade chemical & oil resistant mechanics gloves
$14.99Item Link ↗
Multi-Angle Spill-Proof Oil Funnel SetTool
Wide-mouth funnel with flexible neck to eliminate engine bay spills
$8.99Item Link ↗
Scott Blue Shop Towels (6-Pack)Supplies
Ultra-absorbent lint-free automotive towels for clean-up
$12.99Item Link ↗
Selected Items: 3 items
$56.94 est. total
🛒Buy Complete DIY Kit on Amazon (~$56.94) →

As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.

Buy the right oil & filter for your Legacy

🛒 Buy 0W-20 Full Synthetic Oil (5.1 quarts needed) on Amazon🛒 Buy 5W-30 Full Synthetic Oil (5.1 quarts needed) on Amazon

💡 Capacity Note: Your 2016 Subaru Legacy holds 5.1 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.

Popular Full Synthetic Brands (0W-20):

Mobil 1Valvoline AdvancedPennzoil PlatinumCastrol EDGE
🔧 2016 Subaru Legacy Oil Filter on AmazonDrain plug crush washer on Amazon
+ 15 Qt Drain Pan+ Shop Towels (6 pack)+ Nitrile Gloves (100 pk)

As an Amazon Associate we earn from qualifying purchases made through these links.

More factory specs & repair guides for your Legacy

🛞 2016 Subaru Legacy Tire Size & Pressure →🌧️ 2016 Subaru Legacy Wiper Blade Sizes →💡 2016 Subaru Legacy Light Bulb Sizes →📖 2016 Subaru Legacy Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner network AllOEMManuals.com.

Coolant capacity

8.2 quarts (7.76 L) — SUBARU Super Coolant

Frequently asked questions

What type of oil does a 2016 Subaru Legacy take?

It depends on the engine: 2.5i uses 0W-20; 2.5i Limited uses 0W-20; 2.5i Premium uses 0W-20; 3.6R Limited uses 5W-30.

What is the oil capacity of a 2016 Subaru Legacy?

Oil capacity depends on the engine: 2.5i holds 5.1 quarts with filter; 2.5i Limited holds 5.1 quarts with filter; 2.5i Premium holds 5.1 quarts with filter; 3.6R Limited holds 6.9 quarts with filter.

How often should I change the oil in my 2016 Subaru Legacy?

Most 2016 Subaru Legacy owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Subaru recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 2016 Subaru Legacy?

Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2016 Subaru Legacy. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Subaru Legacy years

2025 Legacy2024 Legacy2023 Legacy2022 Legacy2021 Legacy2020 Legacy2019 Legacy2018 Legacy2017 Legacy2015 Legacy2014 Legacy2013 Legacy2012 Legacy2011 Legacy2010 Legacy2009 Legacy2008 Legacy2007 Legacy2006 Legacy2005 Legacy2004 Legacy2003 Legacy2002 Legacy2001 Legacy2000 Legacy1999 Legacy1998 Legacy1997 Legacy1996 Legacy1995 Legacy1994 Legacy1993 Legacy1992 Legacy1991 Legacy1990 Legacy

Other Subaru models

AscentB9 TribecaBajaBratBRZCrosstrekDLForesterGLGL-10ImprezaImpreza WRXJustyLoyaleOutbackRXSubaruSVXTribecaWRXXTXT6XV Crosstrek