1993 Mazda RX-7 Oil Type & Capacity: 5W-30 (3.7 quarts)
The 1993 Mazda RX-7 takes 5W-30 motor oil — 3.7 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 3.7 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F), 10W-30 (Below -10Deg.F to Above 120Deg.F) | 3.70 QTS. | 3.50 QTS. | — |
| Standard | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F), 10W-30 (Below -10Deg.F to Above 120Deg.F) | 3.70 QTS. | 3.50 QTS. | — |
More factory specs & repair guides for your RX-7
🛞 1993 Mazda RX-7 Tire Size & Pressure →🌧️ 1993 Mazda RX-7 Wiper Blade Sizes →💡 1993 Mazda RX-7 Light Bulb Sizes →📖 1993 Mazda RX-7 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.2 quarts (8.7 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1993 Mazda RX-7 take?
The 1993 Mazda RX-7 takes 5W-30 motor oil (API - SAE 5W-30 (Below -20Deg.F to 35Deg.F), 10W-30 (Below -10Deg.F to Above 120Deg.F)), per the factory service manual.
What is the oil capacity of a 1993 Mazda RX-7?
The 1993 Mazda RX-7 oil capacity is 3.7 quarts with a filter change, or 3.5 quarts without changing the filter.
How often should I change the oil in my 1993 Mazda RX-7?
Most 1993 Mazda RX-7 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 1993 Mazda RX-7?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1993 Mazda RX-7. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.