What oil does a 2014 Audi A8 Quattro 3.0L Diesel take?
The 2014 Audi A8 Quattro with the 3.0L 6-cylinder (Engine Code CPNA Q) requires a 5W-30 viscosity motor oil. For a standard oil change including a filter, the engine oil capacity is 6.8 quarts. AMSOIL recommends using AMSOIL 5W-30 LS 100% Synthetic European Motor Oil (AELQT-EA) for this application.
AMSOIL product recommendations
Based on the AMSOIL lookup data, here are the recommended products for your 2014 Audi A8 Quattro diesel engine and drivetrain components:
Engine Oil
| Product Name | Part Code |
|---|---|
| AMSOIL 5W-30 LS 100% Synthetic European Motor Oil | AELQT-EA |
Automatic Transmission Fluid
| Product Name | Part Code |
|---|---|
| AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF | ATLPK-EA |
| AMSOIL OE Fuel-Efficient 100% Synthetic ATF | OTLQT-EA |
Coolant & Brake Fluid
| Product Name | Part Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze | ANT1G-EA |
| AMSOIL DOT 3 and DOT 4 Synthetic Brake Fluid | BFLVCN-EA |
Differential & Gear Lube
| Product Name | Part Code |
|---|---|
| AMSOIL 75W-90 Long Life 100% Synthetic Gear Lube | FGRQT-EA |
Engine Oil Specifications and Details
Proper lubrication is critical for the 3.0L diesel engine to maintain performance and protect emissions components.
Oil Viscosity & Capacity
| Specification | Value |
|---|---|
| AMSOIL lookup oil grade | SEO06 |
| Recommended Viscosity | 5W-30 (All Temps) |
| Oil Capacity (with filter) | 6.8 quarts |
Note: If synthetic oil meeting the applicable Audi/Volkswagen quality standard with the recommended viscosity is unavailable, use a grade suitable for your specific climate and operating conditions.
Service Details
- Oil Drain Plug Torque: 22 ft/lbs (Replace drain plug seal).
- Oil Filter: No recommendations available from source data.
- Air Filter: No recommendations available from source data.
Transmission and Drivetrain Specifications
The 2014 Audi A8 Quattro utilizes a sophisticated 8-speed automatic transmission and the quattro all-wheel-drive system.
Automatic Transmission (0BK Configuration)
| Description | Capacity |
|---|---|
| Total Fill Capacity | 9.1 quarts |
| Initial Fill Capacity | 4.2 quarts (Actual varies 3.6L-4.0L / 3.8-4.2 qt) |
Differential Capacities
For vehicles with the 0BK…GLSC8 configuration:
- Front Differential Capacity: 1.9 pints
- Rear Differential Capacity: 1.9 pints
The AMSOIL lookup note references Audi/VW part numbers G 052 145 A1, G 052 145 A2, and G 052 145 S2 for these applications.
Diesel maintenance notes for this vehicle
Maintaining a high-end diesel engine like the CPNA Q requires attention to specific systems:
- Emissions Systems: Diesel engines of this era require diligent attention to the Diesel Particulate Filter (DPF) and emissions components.
- Fuel Quality: Prioritize high-quality fuel filtration and consider appropriate fuel additives as suggested by maintenance research.
- Oil Selection: Ensure the oil meets Audi/Volkswagen quality standards to prevent damage to sensitive engine components.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL product from this lookup | How it may help | Important limitation |
|---|---|---|---|---|
| Turbocharger Protection | High heat and speed in turbo diesels can degrade oil. | AELQT-EA | Designed for unique demands of diesel European vehicles. | Requires proper service intervals. |
| Transmission Heat | Heavy use or towing increases fluid temperature. | ATLPK-EA | Withstands rigors of heavy towing and elevated temperatures. | Diagnosis required if mechanical failure exists. |
| Cooling System Corrosion | Metal, gaskets, and hoses are prone to degradation. | ANTPC1G-EA | Protects all cooling system metals, gaskets, and hoses. | Check for leaks regularly. |
Common maintenance concerns for this vehicle
Owners of the 2014 Audi A8 Quattro should consider the following practical checks:
- Quattro Drivetrain: Regular inspection of all-wheel-drive components to ensure long-term reliability.
- Aluminum Chassis: The Audi Space Frame is a lightweight aluminum construction; structural repairs require specialized expertise in metallurgy.
- Fluid Levels: Given the high capacity of the transmission and cooling systems, regular level checks are essential.
Recall, TSB, and manufacturer communication notes
Official NHTSA recall research for the 2014 Audi A8 Quattro returned no recall records at the time of this writing. However, owners should always verify open recalls by VIN, as applicability depends on production date, trim, and specific equipment.
About this vehicle
The 2014 Audi A8 is a flagship full-size luxury sedan that represents high-end engineering, characterized by its use of an aluminum chassis known as the Audi Space Frame. This construction method was co-developed with Alcoa to optimize weight distribution and structural integrity. As part of Audi’s premium lineup, the A8 is designed for executive comfort and sophisticated performance, typically utilizing the quattro permanent all-wheel-drive system to provide enhanced traction and stability across various driving conditions.
This specific model features a 3.0L 6-cylinder diesel engine (Engine Code: CPNA). Diesel engines of this era in Audi’s lineup are often noted for their efficiency and torque, but they require diligent attention to fuel filtration and emissions systems. Because the A8 utilizes a sophisticated aluminum space frame, any body or structural repairs must be handled with expertise in lightweight metallurgy. Given the luxury nature of this vehicle, preventative maintenance on the quattro all-wheel-drive components is also essential to ensure long-term reliability.
Common questions about this vehicle’s diesel oil and maintenance
What is the engine oil capacity for my 2014 Audi A8 3.0L Diesel?
The capacity is 6.8 quarts when performing an oil change with a filter replacement.
Which viscosity should I use for the CPNA diesel engine?
The recommended viscosity is 5W-30. AMSOIL lists AELQT-EA for this application.
How much transmission fluid does the 8-speed automatic take?
The total fill capacity is 9.1 quarts, though an initial fill may only require approximately 4.2 quarts.
What torque spec is needed for the oil drain plug?
The oil drain plug should be torqued to 22 ft/lbs. Always replace the drain plug seal.
Does AMSOIL offer a coolant for this Audi?
Yes, AMSOIL lists ANTPC1G-EA and ANT1G-EA for cooling system protection.
How can I check for active recalls on my A8?
While no records were found in this specific search, you should always verify open recalls by using your unique VIN through official manufacturer or NHTSA channels.
Disclaimer: Not all information is confirmed from source data. Always consult your owner’s manual or a certified professional before performing maintenance.