2007 GMC Cab & Chassis Sierra Oil Type & Capacity
The 2007 GMC Cab & Chassis Sierra oil type depends on the engine: the 3500 HD, 2D Pickup, 6.0 K, 4WD takes 5W-30 (6.0 quarts with filter); the 3500 HD, 2D Pickup, 6.0 K, RWD takes 5W-30 (6.0 quarts with filter); the 3500 HD, 2D Pickup, 6.6 6, 4WD takes 15W-40 (10.0 quarts with filter); the 3500 HD, 2D Pickup, 6.6 6, RWD takes 15W-40 (10.0 quarts with filter); the 3500 HD, 4D Pickup Extra Cab, 6.0 K, 4WD takes 5W-30 (6.0 quarts with filter); the 3500 HD, 4D Pickup Extra Cab, 6.0 K, RWD takes 5W-30 (6.0 quarts with filter); the 3500 HD, 4D Pickup Extra Cab, 6.6 6, 4WD takes 15W-40 (10.0 quarts with filter); the 3500 HD, 4D Pickup Extra Cab, 6.6 6, RWD takes 15W-40 (10.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Automatic takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Standard takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.6 D, 4WD takes 15W-40 (10.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 6.6 D, RWD takes 15W-40 (10.0 quarts with filter); the 3500, 2D Pickup Extra Cab, 8.1 G, 4WD takes 5W-30 (6.5 quarts with filter); the 3500, 2D Pickup Extra Cab, 8.1 G, RWD takes 5W-30 (6.5 quarts with filter); the 3500, 2D Pickup, 6.0 U, 4WD, Automatic takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Automatic takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Standard takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup, 6.0 U, RWD, Automatic takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup, 6.0 U, RWD, Standard takes 5W-30 (6.0 quarts with filter); the 3500, 2D Pickup, 6.6 D, 4WD takes 15W-40 (10.0 quarts with filter); the 3500, 2D Pickup, 6.6 D, RWD takes 15W-40 (10.0 quarts with filter); the 3500, 2D Pickup, 8.1 G, 4WD takes 5W-30 (6.5 quarts with filter); the 3500, 2D Pickup, 8.1 G, RWD takes 5W-30 (6.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 3500 HD, 2D Pickup, 6.0 K, 4WD: 5W-30, 6.0 quarts with filter
- 3500 HD, 2D Pickup, 6.0 K, RWD: 5W-30, 6.0 quarts with filter
- 3500 HD, 2D Pickup, 6.6 6, 4WD: 15W-40, 10.0 quarts with filter
- 3500 HD, 2D Pickup, 6.6 6, RWD: 15W-40, 10.0 quarts with filter
- 3500 HD, 4D Pickup Extra Cab, 6.0 K, 4WD: 5W-30, 6.0 quarts with filter
- 3500 HD, 4D Pickup Extra Cab, 6.0 K, RWD: 5W-30, 6.0 quarts with filter
- 3500 HD, 4D Pickup Extra Cab, 6.6 6, 4WD: 15W-40, 10.0 quarts with filter
- 3500 HD, 4D Pickup Extra Cab, 6.6 6, RWD: 15W-40, 10.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Automatic: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Standard: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.6 D, 4WD: 15W-40, 10.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 6.6 D, RWD: 15W-40, 10.0 quarts with filter
- 3500, 2D Pickup Extra Cab, 8.1 G, 4WD: 5W-30, 6.5 quarts with filter
- 3500, 2D Pickup Extra Cab, 8.1 G, RWD: 5W-30, 6.5 quarts with filter
- 3500, 2D Pickup, 6.0 U, 4WD, Automatic: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Automatic: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Standard: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup, 6.0 U, RWD, Automatic: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup, 6.0 U, RWD, Standard: 5W-30, 6.0 quarts with filter
- 3500, 2D Pickup, 6.6 D, 4WD: 15W-40, 10.0 quarts with filter
- 3500, 2D Pickup, 6.6 D, RWD: 15W-40, 10.0 quarts with filter
- 3500, 2D Pickup, 8.1 G, 4WD: 5W-30, 6.5 quarts with filter
- 3500, 2D Pickup, 8.1 G, RWD: 5W-30, 6.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 3500 HD, 2D Pickup, 6.0 K, 4WD — 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. |
| 3500 HD, 2D Pickup, 6.0 K, RWD — 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. |
| 3500 HD, 2D Pickup, 6.6 6, 4WD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500 HD, 2D Pickup, 6.6 6, RWD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500 HD, 4D Pickup Extra Cab, 6.0 K, 4WD — 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. |
| 3500 HD, 4D Pickup Extra Cab, 6.0 K, RWD — 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. |
| 3500 HD, 4D Pickup Extra Cab, 6.6 6, 4WD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500 HD, 4D Pickup Extra Cab, 6.6 6, RWD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic — 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. |
| 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic — 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. |
| 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard — 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. |
| 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Automatic — 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. |
| 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Standard — 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. |
| 3500, 2D Pickup Extra Cab, 6.6 D, 4WD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500, 2D Pickup Extra Cab, 6.6 D, RWD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500, 2D Pickup Extra Cab, 8.1 G, 4WD — 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. |
| 3500, 2D Pickup Extra Cab, 8.1 G, RWD — 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. |
| 3500, 2D Pickup, 6.0 U, 4WD, Automatic — 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. |
| 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Automatic — 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. |
| 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Standard — 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. |
| 3500, 2D Pickup, 6.0 U, RWD, Automatic — 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. |
| 3500, 2D Pickup, 6.0 U, RWD, Standard — 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. |
| 3500, 2D Pickup, 6.6 D, 4WD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500, 2D Pickup, 6.6 D, RWD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. Use SAE 10W-30 if temperatures stay above 0Deg.F (-18Deg.C) before your next oil change. When it is very cold, Below 0Deg.F (-18Deg.C), you should use SAE 5W-30 to improve cold starting and prevent engine damage. DO NOT use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| 3500, 2D Pickup, 8.1 G, 4WD — 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. |
| 3500, 2D Pickup, 8.1 G, RWD — 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. |
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More specs & repair guides for your Cab & Chassis Sierra
2007 GMC Cab & Chassis Sierra 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. After refill, the level must be checked. Add enough engine coolant so that the fluid is within the proper operating range.
Frequently asked questions
What type of oil does a 2007 GMC Cab & Chassis Sierra take?
It depends on the engine: 3500 HD, 2D Pickup, 6.0 K, 4WD uses 5W-30; 3500 HD, 2D Pickup, 6.0 K, RWD uses 5W-30; 3500 HD, 2D Pickup, 6.6 6, 4WD uses 15W-40; 3500 HD, 2D Pickup, 6.6 6, RWD uses 15W-40; 3500 HD, 4D Pickup Extra Cab, 6.0 K, 4WD uses 5W-30; 3500 HD, 4D Pickup Extra Cab, 6.0 K, RWD uses 5W-30; 3500 HD, 4D Pickup Extra Cab, 6.6 6, 4WD uses 15W-40; 3500 HD, 4D Pickup Extra Cab, 6.6 6, RWD uses 15W-40; 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic uses 5W-30; 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic uses 5W-30; 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard uses 5W-30; 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Automatic uses 5W-30; 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Standard uses 5W-30; 3500, 2D Pickup Extra Cab, 6.6 D, 4WD uses 15W-40; 3500, 2D Pickup Extra Cab, 6.6 D, RWD uses 15W-40; 3500, 2D Pickup Extra Cab, 8.1 G, 4WD uses 5W-30; 3500, 2D Pickup Extra Cab, 8.1 G, RWD uses 5W-30; 3500, 2D Pickup, 6.0 U, 4WD, Automatic uses 5W-30; 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Automatic uses 5W-30; 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Standard uses 5W-30; 3500, 2D Pickup, 6.0 U, RWD, Automatic uses 5W-30; 3500, 2D Pickup, 6.0 U, RWD, Standard uses 5W-30; 3500, 2D Pickup, 6.6 D, 4WD uses 15W-40; 3500, 2D Pickup, 6.6 D, RWD uses 15W-40; 3500, 2D Pickup, 8.1 G, 4WD uses 5W-30; 3500, 2D Pickup, 8.1 G, RWD uses 5W-30.
How much oil does a 2007 GMC Cab & Chassis Sierra take?
Capacity depends on the engine: 3500 HD, 2D Pickup, 6.0 K, 4WD holds 6.0 quarts with filter; 3500 HD, 2D Pickup, 6.0 K, RWD holds 6.0 quarts with filter; 3500 HD, 2D Pickup, 6.6 6, 4WD holds 10.0 quarts with filter; 3500 HD, 2D Pickup, 6.6 6, RWD holds 10.0 quarts with filter; 3500 HD, 4D Pickup Extra Cab, 6.0 K, 4WD holds 6.0 quarts with filter; 3500 HD, 4D Pickup Extra Cab, 6.0 K, RWD holds 6.0 quarts with filter; 3500 HD, 4D Pickup Extra Cab, 6.6 6, 4WD holds 10.0 quarts with filter; 3500 HD, 4D Pickup Extra Cab, 6.6 6, RWD holds 10.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic holds 6.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic holds 6.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard holds 6.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Automatic holds 6.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.0 U, RWD, Standard holds 6.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.6 D, 4WD holds 10.0 quarts with filter; 3500, 2D Pickup Extra Cab, 6.6 D, RWD holds 10.0 quarts with filter; 3500, 2D Pickup Extra Cab, 8.1 G, 4WD holds 6.5 quarts with filter; 3500, 2D Pickup Extra Cab, 8.1 G, RWD holds 6.5 quarts with filter; 3500, 2D Pickup, 6.0 U, 4WD, Automatic holds 6.0 quarts with filter; 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Automatic holds 6.0 quarts with filter; 3500, 2D Pickup, 6.0 U, 4WD, Part Time, Standard holds 6.0 quarts with filter; 3500, 2D Pickup, 6.0 U, RWD, Automatic holds 6.0 quarts with filter; 3500, 2D Pickup, 6.0 U, RWD, Standard holds 6.0 quarts with filter; 3500, 2D Pickup, 6.6 D, 4WD holds 10.0 quarts with filter; 3500, 2D Pickup, 6.6 D, RWD holds 10.0 quarts with filter; 3500, 2D Pickup, 8.1 G, 4WD holds 6.5 quarts with filter; 3500, 2D Pickup, 8.1 G, RWD holds 6.5 quarts with filter.
Can I use synthetic oil in my 2007 GMC Cab & Chassis Sierra?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2007 GMC Cab & Chassis Sierra. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.