1999 Jaguar XK8 Oil Type & Capacity: 5W-30 (6.9 quarts)
The 1999 Jaguar XK8 takes 5W-30 motor oil — 6.9 quarts with a filter change, per the factory service manual.
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2D Convertible, 4.0 0 | API - SAE 5W-30 | 6.90 QTS. | — | API - SJ/EC and ILSAC GF-2. |
| 2D Convertible, 4.0 5 | API - SAE 5W-30 | 6.90 QTS. | — | API - SJ/EC and ILSAC GF-2. |
| 2D Coupe, 4.0 0 | API - SAE 5W-30 | 6.90 QTS. | — | API - SJ/EC and ILSAC GF-2. |
| 2D Coupe, 4.0 5 | API - SAE 5W-30 | 6.90 QTS. | — | API - SJ/EC and ILSAC GF-2. |
More factory specs & repair guides for your XK8
🛞 1999 Jaguar XK8 Tire Size & Pressure →🌧️ 1999 Jaguar XK8 Wiper Blade Sizes →💡 1999 Jaguar XK8 Light Bulb Sizes →📖 1999 Jaguar XK8 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.0 quarts (9.46 L) — 50/50 mixture of water, JAGUAR Antifreeze/Coolant and Corrosion Inhibitor. Specification: WSS M97B44-D. Includes: reservoir and climate control.
Frequently asked questions
What type of oil does a 1999 Jaguar XK8 take?
The 1999 Jaguar XK8 takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 1999 Jaguar XK8?
The 1999 Jaguar XK8 oil capacity is 6.9 quarts with a filter change.
How often should I change the oil in my 1999 Jaguar XK8?
Most 1999 Jaguar XK8 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 — Jaguar recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1999 Jaguar XK8?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Jaguar XK8. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.