WhatTypeOfOil.com

2006 GMC Cab & Chassis Sierra Oil Type & Capacity

The 2006 GMC Cab & Chassis Sierra oil type depends on the engine: the 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.0 U, RWD, Automatic takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.0 U, RWD, Standard takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 2, 4WD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 2, 4WD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 2, RWD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 2, RWD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 D, 4WD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 D, 4WD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 D, RWD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 6.6 D, RWD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup Extra Cab, 8.1 G, 4WD, Automatic takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup Extra Cab, 8.1 G, 4WD, Standard takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup Extra Cab, 8.1 G, RWD, Automatic takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup Extra Cab, 8.1 G, RWD, Standard takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup, 6.0 U, 4WD, Automatic takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.0 U, 4WD, Part Time, Automatic takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.0 U, 4WD, Part Time, Standard takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.0 U, RWD, Automatic takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.0 U, RWD, Standard takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.6 2, 4WD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 2, 4WD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 2, RWD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 2, RWD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 D, 4WD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 D, 4WD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 D, RWD, Automatic takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 D, RWD, Standard takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 8.1 G, 4WD, Automatic takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup, 8.1 G, 4WD, Standard takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup, 8.1 G, RWD, Automatic takes 5W-30 (6.5 quarts qt with filter); the 2D Pickup, 8.1 G, RWD, Standard takes 5W-30 (6.5 quarts qt with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
2D Pickup Extra Cab, 6.0 U, 4WD, Automatic — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup Extra Cab, 6.0 U, RWD, Automatic — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup Extra Cab, 6.0 U, RWD, Standard — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup Extra Cab, 6.6 2, 4WD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 2, 4WD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 2, RWD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 2, RWD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 D, 4WD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 D, 4WD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 D, RWD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 6.6 D, RWD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup Extra Cab, 8.1 G, 4WD, Automatic — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup Extra Cab, 8.1 G, 4WD, Standard — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup Extra Cab, 8.1 G, RWD, Automatic — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup Extra Cab, 8.1 G, RWD, Standard — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup, 6.0 U, 4WD, Automatic — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup, 6.0 U, 4WD, Part Time, Automatic — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup, 6.0 U, 4WD, Part Time, Standard — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup, 6.0 U, RWD, Automatic — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup, 6.0 U, RWD, Standard — 6.0L EngAPI - SAE 5W-306.00 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.
2D Pickup, 6.6 2, 4WD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 2, 4WD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 2, RWD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 2, RWD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 D, 4WD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 D, 4WD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 D, RWD, Automatic — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 6.6 D, RWD, Standard — 6.6L EngAPI - SAE 15W-4010.00 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.
2D Pickup, 8.1 G, 4WD, Automatic — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup, 8.1 G, 4WD, Standard — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup, 8.1 G, RWD, Automatic — 8.1L EngAPI - SAE 5W-306.50 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.
2D Pickup, 8.1 G, RWD, Standard — 8.1L EngAPI - SAE 5W-306.50 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.
📦 DIY Oil Change Kit Builder

Complete Oil Change Bundle for 2006 GMC Cab & Chassis Sierra

Everything you need delivered in one order. Pre-matched to your factory spec (5W-30, 6.0 quarts).

Preferred Oil Brand:
Mobil 1 5W-30 Full Synthetic OilExact Spec
5-Quart Jug + 1-Quart Bottle (6.0 quarts needed)
$37.96Item Link ↗
2006 GMC Cab & Chassis Sierra Premium Synthetic Oil FilterExact Fit
OEM-fitment high-efficiency synthetic filter media (2D Pickup Extra Cab, 6.0 U, 4WD, Automatic)
$11.99Item Link ↗
Oil Drain Plug Crush Washer Gaskets (5-Pack)Recommended
Direct-fit replacement seal — prevents oil leaks after tightening
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15-Quart Low-Profile Drain Pan with Pour SpoutTool
Catch-all basin with anti-splash lip & secure transport cap
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RhinoRamps 12,000 lb Drive-Up Vehicle RampsTool
Safe driveway clearance for quick vehicle underbody access
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Heavy-Duty Black Nitrile Gloves (Box of 100)PPE
6-mil commercial-grade chemical & oil resistant mechanics gloves
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Multi-Angle Spill-Proof Oil Funnel SetTool
Wide-mouth funnel with flexible neck to eliminate engine bay spills
$8.99Item Link ↗
Scott Blue Shop Towels (6-Pack)Supplies
Ultra-absorbent lint-free automotive towels for clean-up
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Selected Items: 3 items
$56.94 est. total
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Buy the right oil & filter for your Cab & Chassis Sierra

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💡 Capacity Note: Your 2006 GMC Cab & Chassis Sierra holds 6.0 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):

Mobil 1 →Valvoline Advanced →Pennzoil Platinum →Castrol EDGE →
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More factory specs & repair guides for your Cab & Chassis Sierra

🛞 2006 GMC Cab & Chassis Sierra Tire Size & Pressure →🌧️ 2006 GMC Cab & Chassis Sierra Wiper Blade Sizes →💡 2006 GMC Cab & Chassis Sierra Light Bulb Sizes →📖 2006 GMC Cab & Chassis Sierra Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner network 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 2006 GMC Cab & Chassis Sierra take?

It depends on the engine: 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic uses 5W-30; 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic uses 5W-30; 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard uses 5W-30; 2D Pickup Extra Cab, 6.0 U, RWD, Automatic uses 5W-30; 2D Pickup Extra Cab, 6.0 U, RWD, Standard uses 5W-30; 2D Pickup Extra Cab, 6.6 2, 4WD, Automatic uses 15W-40; 2D Pickup Extra Cab, 6.6 2, 4WD, Standard uses 15W-40; 2D Pickup Extra Cab, 6.6 2, RWD, Automatic uses 15W-40; 2D Pickup Extra Cab, 6.6 2, RWD, Standard uses 15W-40; 2D Pickup Extra Cab, 6.6 D, 4WD, Automatic uses 15W-40; 2D Pickup Extra Cab, 6.6 D, 4WD, Standard uses 15W-40; 2D Pickup Extra Cab, 6.6 D, RWD, Automatic uses 15W-40; 2D Pickup Extra Cab, 6.6 D, RWD, Standard uses 15W-40; 2D Pickup Extra Cab, 8.1 G, 4WD, Automatic uses 5W-30; 2D Pickup Extra Cab, 8.1 G, 4WD, Standard uses 5W-30; 2D Pickup Extra Cab, 8.1 G, RWD, Automatic uses 5W-30; 2D Pickup Extra Cab, 8.1 G, RWD, Standard uses 5W-30; 2D Pickup, 6.0 U, 4WD, Automatic uses 5W-30; 2D Pickup, 6.0 U, 4WD, Part Time, Automatic uses 5W-30; 2D Pickup, 6.0 U, 4WD, Part Time, Standard uses 5W-30; 2D Pickup, 6.0 U, RWD, Automatic uses 5W-30; 2D Pickup, 6.0 U, RWD, Standard uses 5W-30; 2D Pickup, 6.6 2, 4WD, Automatic uses 15W-40; 2D Pickup, 6.6 2, 4WD, Standard uses 15W-40; 2D Pickup, 6.6 2, RWD, Automatic uses 15W-40; 2D Pickup, 6.6 2, RWD, Standard uses 15W-40; 2D Pickup, 6.6 D, 4WD, Automatic uses 15W-40; 2D Pickup, 6.6 D, 4WD, Standard uses 15W-40; 2D Pickup, 6.6 D, RWD, Automatic uses 15W-40; 2D Pickup, 6.6 D, RWD, Standard uses 15W-40; 2D Pickup, 8.1 G, 4WD, Automatic uses 5W-30; 2D Pickup, 8.1 G, 4WD, Standard uses 5W-30; 2D Pickup, 8.1 G, RWD, Automatic uses 5W-30; 2D Pickup, 8.1 G, RWD, Standard uses 5W-30.

What is the oil capacity of a 2006 GMC Cab & Chassis Sierra?

Oil capacity depends on the engine: 2D Pickup Extra Cab, 6.0 U, 4WD, Automatic holds 6.0 quarts with filter; 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Automatic holds 6.0 quarts with filter; 2D Pickup Extra Cab, 6.0 U, 4WD, Part Time, Standard holds 6.0 quarts with filter; 2D Pickup Extra Cab, 6.0 U, RWD, Automatic holds 6.0 quarts with filter; 2D Pickup Extra Cab, 6.0 U, RWD, Standard holds 6.0 quarts with filter; 2D Pickup Extra Cab, 6.6 2, 4WD, Automatic holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 2, 4WD, Standard holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 2, RWD, Automatic holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 2, RWD, Standard holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 D, 4WD, Automatic holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 D, 4WD, Standard holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 D, RWD, Automatic holds 10.0 quarts with filter; 2D Pickup Extra Cab, 6.6 D, RWD, Standard holds 10.0 quarts with filter; 2D Pickup Extra Cab, 8.1 G, 4WD, Automatic holds 6.5 quarts with filter; 2D Pickup Extra Cab, 8.1 G, 4WD, Standard holds 6.5 quarts with filter; 2D Pickup Extra Cab, 8.1 G, RWD, Automatic holds 6.5 quarts with filter; 2D Pickup Extra Cab, 8.1 G, RWD, Standard holds 6.5 quarts with filter; 2D Pickup, 6.0 U, 4WD, Automatic holds 6.0 quarts with filter; 2D Pickup, 6.0 U, 4WD, Part Time, Automatic holds 6.0 quarts with filter; 2D Pickup, 6.0 U, 4WD, Part Time, Standard holds 6.0 quarts with filter; 2D Pickup, 6.0 U, RWD, Automatic holds 6.0 quarts with filter; 2D Pickup, 6.0 U, RWD, Standard holds 6.0 quarts with filter; 2D Pickup, 6.6 2, 4WD, Automatic holds 10.0 quarts with filter; 2D Pickup, 6.6 2, 4WD, Standard holds 10.0 quarts with filter; 2D Pickup, 6.6 2, RWD, Automatic holds 10.0 quarts with filter; 2D Pickup, 6.6 2, RWD, Standard holds 10.0 quarts with filter; 2D Pickup, 6.6 D, 4WD, Automatic holds 10.0 quarts with filter; 2D Pickup, 6.6 D, 4WD, Standard holds 10.0 quarts with filter; 2D Pickup, 6.6 D, RWD, Automatic holds 10.0 quarts with filter; 2D Pickup, 6.6 D, RWD, Standard holds 10.0 quarts with filter; 2D Pickup, 8.1 G, 4WD, Automatic holds 6.5 quarts with filter; 2D Pickup, 8.1 G, 4WD, Standard holds 6.5 quarts with filter; 2D Pickup, 8.1 G, RWD, Automatic holds 6.5 quarts with filter; 2D Pickup, 8.1 G, RWD, Standard holds 6.5 quarts with filter.

How often should I change the oil in my 2006 GMC Cab & Chassis Sierra?

Most 2006 GMC Cab & Chassis Sierra 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 — GMC recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 2006 GMC Cab & Chassis Sierra?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2006 GMC Cab & Chassis Sierra. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other GMC Cab & Chassis Sierra years

2012 Cab & Chassis Sierra2011 Cab & Chassis Sierra2010 Cab & Chassis Sierra2009 Cab & Chassis Sierra2008 Cab & Chassis Sierra2007 Cab & Chassis Sierra2005 Cab & Chassis Sierra2004 Cab & Chassis Sierra2003 Cab & Chassis Sierra2002 Cab & Chassis Sierra2001 Cab & Chassis Sierra

Other GMC models

AcadiaAcadia LimitedC3500 HDCab & ChassisCaballeroCanyonCutawayEnvoyEnvoy XLEnvoy XUVJimmyMagnavanPickupRallyRally Camper SpecialRV CutawayS15 JimmyS15 PickupSafariSavanaSavana 1500Savana 2500Savana 3500Savana Camper SpecialSavana SpecialSierraSierra 1500Sierra 1500 LimitedSierra 2500 HDSierra 3500 HDSierra ClassicSonomaSuburbanTerrainValue VanVanduraVandura SpecialYukonYukon XLYukon XL 1500