2008 Lexus GS 350 Oil Type & Capacity
The 2008 Lexus GS 350 oil type depends on the engine: the AWD takes 5W-30 (6.7 quarts qt with filter); the RWD takes 5W-30 (6.6 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- AWD: 5W-30, 6.7 quarts with filter
- RWD: 5W-30, 6.6 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| AWD — AWD | API - SAE 5W-30 | 6.70 QTS. | 6.30 QTS. | API - SL "Energy-Conserving" or ILSAC multigrade engine oil. SAE 5W-30 is the best choice for good fuel economy and good starting in cold weather. If SAE 5W-30 is not available, SAE 10W-30 oil may be used. However, it should be replaced with SAE 5W-30 at the next oil change. |
| RWD — RWD | API - SAE 5W-30 | 6.60 QTS. | 6.20 QTS. | API - SL "Energy-Conserving" or ILSAC multigrade engine oil. SAE 5W-30 is the best choice for good fuel economy and good starting in cold weather. If SAE 5W-30 is not available, SAE 10W-30 oil may be used. However, it should be replaced with SAE 5W-30 at the next oil change. |
Complete Oil Change Bundle for 2008 Lexus GS 350
Everything you need delivered in one order. Pre-matched to your factory spec (5W-30, 6.7 quarts).
As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.
Buy the right oil & filter for your GS 350
🛒 Buy 5W-30 Full Synthetic Oil (6.7 quarts needed) on Amazon💡 Capacity Note: Your 2008 Lexus GS 350 holds 6.7 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.
Popular Full Synthetic Brands (5W-30):
As an Amazon Associate we earn from qualifying purchases made through these links.
More factory specs & repair guides for your GS 350
🛞 2008 Lexus GS 350 Tire Size & Pressure →🌧️ 2008 Lexus GS 350 Wiper Blade Sizes →💡 2008 Lexus GS 350 Light Bulb Sizes →📖 2008 Lexus GS 350 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.6 quarts (9.08 L) — TOYOTA Super Long Life Coolant or equivalent. DO NOT use plain water alone.
Frequently asked questions
What type of oil does a 2008 Lexus GS 350 take?
It depends on the engine: AWD uses 5W-30; RWD uses 5W-30.
What is the oil capacity of a 2008 Lexus GS 350?
Oil capacity depends on the engine: AWD holds 6.7 quarts with filter; RWD holds 6.6 quarts with filter.
How often should I change the oil in my 2008 Lexus GS 350?
Most 2008 Lexus GS 350 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 — Lexus recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2008 Lexus GS 350?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2008 Lexus GS 350. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.