2005 GMC Yukon XL Oil Type & Capacity
The 2005 GMC Yukon XL oil type depends on the engine: the C1500, 5.3 T takes 5W-30 (6.0 quarts with filter); the C1500, 5.3 Z takes 5W-30 (6.0 quarts with filter); the C2500, 6.0 U takes 5W-30 (6.0 quarts with filter); the C2500, 8.1 G takes 5W-30 (6.5 quarts with filter); the K1500, 5.3 T takes 5W-30 (6.0 quarts with filter); the K1500, 5.3 Z takes 5W-30 (6.0 quarts with filter); the K1500, 6.0 U takes 5W-30 (6.0 quarts with filter); the K2500, 6.0 U takes 5W-30 (6.0 quarts with filter); the K2500, 8.1 G takes 5W-30 (6.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- C1500, 5.3 T: 5W-30, 6.0 quarts with filter
- C1500, 5.3 Z: 5W-30, 6.0 quarts with filter
- C2500, 6.0 U: 5W-30, 6.0 quarts with filter
- C2500, 8.1 G: 5W-30, 6.5 quarts with filter
- K1500, 5.3 T: 5W-30, 6.0 quarts with filter
- K1500, 5.3 Z: 5W-30, 6.0 quarts with filter
- K1500, 6.0 U: 5W-30, 6.0 quarts with filter
- K2500, 6.0 U: 5W-30, 6.0 quarts with filter
- K2500, 8.1 G: 5W-30, 6.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| C1500, 5.3 T — 5.3L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| C1500, 5.3 Z — 5.3L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| C2500, 6.0 U — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| C2500, 8.1 G — 8.1L Eng | API - SAE 5W-30 | 6.50 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| K1500, 5.3 T — 5.3L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| K1500, 5.3 Z — 5.3L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| K1500, 6.0 U — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| K2500, 6.0 U — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| K2500, 8.1 G — 8.1L Eng | API - SAE 5W-30 | 6.50 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
Buy the right oil
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More specs & repair guides for your Yukon XL
2005 GMC Yukon XL factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
16.7 quarts (15.8 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. Add 2.1 qts. if equipped with rear heater.
Frequently asked questions
What type of oil does a 2005 GMC Yukon XL take?
It depends on the engine: C1500, 5.3 T uses 5W-30; C1500, 5.3 Z uses 5W-30; C2500, 6.0 U uses 5W-30; C2500, 8.1 G uses 5W-30; K1500, 5.3 T uses 5W-30; K1500, 5.3 Z uses 5W-30; K1500, 6.0 U uses 5W-30; K2500, 6.0 U uses 5W-30; K2500, 8.1 G uses 5W-30.
How much oil does a 2005 GMC Yukon XL take?
Capacity depends on the engine: C1500, 5.3 T holds 6.0 quarts with filter; C1500, 5.3 Z holds 6.0 quarts with filter; C2500, 6.0 U holds 6.0 quarts with filter; C2500, 8.1 G holds 6.5 quarts with filter; K1500, 5.3 T holds 6.0 quarts with filter; K1500, 5.3 Z holds 6.0 quarts with filter; K1500, 6.0 U holds 6.0 quarts with filter; K2500, 6.0 U holds 6.0 quarts with filter; K2500, 8.1 G holds 6.5 quarts with filter.
Can I use synthetic oil in my 2005 GMC Yukon XL?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 GMC Yukon XL. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.