2021 Mazda CX-30 Oil Type & Capacity

The 2021 Mazda CX-30 oil type depends on the engine: the 2.5L takes 0W-20 (4.8 quarts qt with filter); the Turbo takes 5W-30 (5.1 quarts qt with filter); the Turbo Premium takes 5W-30 (5.1 quarts qt with filter); the Turbo Premium Plus takes 5W-30 (5.1 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
2.5L — Preferred, 2.5L Eng VIN L, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Preferred, 2.5L Eng VIN L, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Preferred, 2.5L Eng VIN M, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Preferred, 2.5L Eng VIN M, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Premium, 2.5L Eng VIN L, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Premium, 2.5L Eng VIN L, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Premium, 2.5L Eng VIN M, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Premium, 2.5L Eng VIN M, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — S, 2.5L Eng VIN L, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — S, 2.5L Eng VIN L, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — S, 2.5L Eng VIN M, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — S, 2.5L Eng VIN M, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Select, 2.5L Eng VIN L, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Select, 2.5L Eng VIN L, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Select, 2.5L Eng VIN M, AWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
2.5L — Select, 2.5L Eng VIN M, FWD, Normally AspiratedAPI - ILSAC GF-V or higher SAE 0W-20 Engine Oil4.80 QTS.4.50 QTS.
Turbo — TurbochargerAPI - ILSAC SAE 5W-30 Engine Oil5.10 QTS.4.90 QTS.
Turbo Premium — TurbochargerAPI - ILSAC SAE 5W-30 Engine Oil5.10 QTS.4.90 QTS.
Turbo Premium Plus — TurbochargerAPI - ILSAC SAE 5W-30 Engine Oil5.10 QTS.4.90 QTS.
📦 DIY Oil Change Kit Builder

Complete Oil Change Bundle for 2021 Mazda CX-30

Everything you need delivered in one order. Pre-matched to your factory spec (0W-20, 4.8 quarts).

Preferred Oil Brand:
Mobil 1 0W-20 Full Synthetic OilExact Spec
5-Quart Jug (4.8 quarts needed)
$27.97Item Link ↗
2021 Mazda CX-30 Premium Synthetic Oil FilterExact Fit
OEM-fitment high-efficiency synthetic filter media (2.5L)
$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
$46.95 est. total
🛒Buy Complete DIY Kit on Amazon (~$46.95) →

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

Buy the right oil & filter for your CX-30

🛒 Buy 0W-20 Full Synthetic Oil (4.8 quarts needed) on Amazon🛒 Buy 5W-30 Full Synthetic Oil (4.8 quarts needed) on Amazon

Popular Full Synthetic Brands (0W-20):

Mobil 1Valvoline AdvancedPennzoil PlatinumCastrol EDGE
🔧 2021 Mazda CX-30 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 CX-30

🛞 2021 Mazda CX-30 Tire Size & Pressure →🌧️ 2021 Mazda CX-30 Wiper Blade Sizes →💡 2021 Mazda CX-30 Light Bulb Sizes →📖 2021 Mazda CX-30 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

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

Coolant capacity

6.9 quarts (6.52 L). Check the vehicle identification number on the vehicle identify cation number plate. Use FL22 type coolant in vehicles with the inscription "FL22" on the radiator cap itself or the surrounding area. For vehicles without "FL22" inscription use a mixture of demineralized water and ethylene-glycol-based coolant. Do not use solution that contains more than 60% antifreeze. Above -16Deg. C {3.2Deg. F} 65% water/35% coolant. Above -26Deg.C {-15Deg.F} 55% water/45% coolant. Above -40 Deg. C {-40Deg.F} 45% water/55% coolant.

Frequently asked questions

What type of oil does a 2021 Mazda CX-30 take?

It depends on the engine: 2.5L uses 0W-20; Turbo uses 5W-30; Turbo Premium uses 5W-30; Turbo Premium Plus uses 5W-30.

What is the oil capacity of a 2021 Mazda CX-30?

Oil capacity depends on the engine: 2.5L holds 4.8 quarts with filter; Turbo holds 5.1 quarts with filter; Turbo Premium holds 5.1 quarts with filter; Turbo Premium Plus holds 5.1 quarts with filter.

How often should I change the oil in my 2021 Mazda CX-30?

Most 2021 Mazda CX-30 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 — Mazda recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 2021 Mazda CX-30?

Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2021 Mazda CX-30. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Mazda CX-30 years

2025 CX-302024 CX-302023 CX-302022 CX-302020 CX-30

Other Mazda models

2332356626929B2000B2200B2300B2500B2600B2600iB3000B4000CX-3CX-5CX-50CX-7CX-70CX-9CX-90GLCMilleniaMPVMX-3MX-5 MiataMX-6NavajoProtegeProtege5RX-7RX-8Tribute