1983 Renault 18i Oil Type & Capacity: 10W-40 (4.5 quarts)
The 1983 Renault 18i takes 10W-40 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-40 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 4D Sedan, Automatic | API - SAE 10W-40 | 4.50 QTS. | — | — |
| 4D Sedan, Standard | API - SAE 10W-40 | 4.50 QTS. | — | — |
| 4D Wagon, Automatic | API - SAE 10W-40 | 4.50 QTS. | — | — |
| 4D Wagon, Standard | API - SAE 10W-40 | 4.50 QTS. | — | — |
More factory specs & repair guides for your 18i
🛞 1983 Renault 18i Tire Size & Pressure →🌧️ 1983 Renault 18i Wiper Blade Sizes →💡 1983 Renault 18i Light Bulb Sizes →📖 1983 Renault 18i Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.5 quarts (7.09 L)
Frequently asked questions
What type of oil does a 1983 Renault 18i take?
The 1983 Renault 18i takes 10W-40 motor oil (API - SAE 10W-40), per the factory service manual.
What is the oil capacity of a 1983 Renault 18i?
The 1983 Renault 18i oil capacity is 4.5 quarts with a filter change.
How often should I change the oil in my 1983 Renault 18i?
Most 1983 Renault 18i 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 — Renault recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1983 Renault 18i?
Yes. 10W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1983 Renault 18i. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.