1994 Land Rover Defender 90 Oil Type & Capacity
The 1994 Land Rover Defender 90 takes 10W-40 motor oil — 10.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-40 — 10.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Defender 90 | API - SG, SAE 10W-40 or 10W-50 | 10.00 PTS. | 9.00 PTS. | API - SAE 5W-30 oil for winter use. |
Buy the right oil
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More specs & repair guides for your Defender 90
1994 Land Rover Defender 90 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
22.5 quarts (10.64 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1994 Land Rover Defender 90 take?
The 1994 Land Rover Defender 90 takes 10W-40 motor oil (API - SG, SAE 10W-40 or 10W-50), per the factory service manual.
How much oil does a 1994 Land Rover Defender 90 take?
The 1994 Land Rover Defender 90 holds 10.0 quarts with a filter change, or 9.0 quarts without changing the filter.
Can I use synthetic oil in my 1994 Land Rover Defender 90?
Yes. 10W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1994 Land Rover Defender 90. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.