What Kind of Oil a 2014 Audi A6 Takes

The 2014 Audi A6 typically takes full synthetic engine oil that meets the VW 502 00 (for gasoline) or VW 507 00 (for many diesel/clean diesel) specifications, most commonly in 5W-40 or 5W-30 viscosity, depending on the engine and climate. Understanding the right oil spec is more important than the brand, because Audi and Volkswagen engines are designed around strict manufacturer standards.

Understanding the Correct Oil Specification for a 2014 Audi A6

A 2014 Audi A6 was sold with several engine options worldwide, and each engine is engineered to work with oil that meets specific Volkswagen Group (VW/Audi) standards. Using oil that meets those standards is key to engine longevity, turbocharger health, and maintaining warranty or extended coverage where applicable.

Main Audi/VW Oil Specifications for the 2014 A6

The core of choosing the right oil for a 2014 A6 is matching the VW/Audi specification printed in the owner’s manual or on the oil fill cap, not just the viscosity printed on the bottle. Below are the most common specs associated with this model year.

• VW 502 00: Primary spec for most gasoline engines in the 2014 A6 (e.g., 2.0 TFSI, 3.0 TFSI), suitable for high-performance turbocharged engines and long drain intervals when conditions are normal.
• VW 504 00 / 507 00: Long-life, low-ash specifications typically used for many modern Audi diesels and some markets with flexible service intervals. 507 00 is common for “clean diesel” engines with DPF (diesel particulate filters).
• VW 505 01 / related diesel specs: Used in some earlier or specific diesel engines; for a 2014 A6, 507 00 is more commonly the required standard in many markets, but owners should verify per engine code and region.

These specifications are more than marketing labels: they define additive packages, high-temperature stability, and compatibility with emission control equipment, making them critical to proper operation and long-term reliability.

Typical Viscosity Grades for the 2014 Audi A6

Once the VW specification is confirmed, viscosity is the next key parameter. Audi-approved oils for the A6 are usually full-synthetic multigrade oils designed to perform across a wide temperature range.

• 5W-40 (VW 502 00): Very common for 2.0 TFSI and 3.0 TFSI gasoline engines in many regions; offers strong protection under high temperatures and spirited driving.
• 5W-30 (VW 504 00 / 507 00): Common for many diesel engines and some long-life service programs; optimized for fuel economy and compatible with particulate filters.
• 0W-40 or 0W-30 (VW 502 00 / 504 00): Sometimes listed as alternative options in cold climates, providing better cold-start flow while still meeting Audi’s performance requirements.

The viscosity range printed in your owner’s manual may list multiple acceptable grades, but all approved options will still carry the required VW spec, which should always be considered the deciding factor.

Engine-by-Engine: What Oil Does Each 2014 A6 Version Use?

Different engines in the 2014 Audi A6 can have slightly different oil needs. While the specific engine code and market (U.S., Europe, etc.) matter, there are common patterns across the lineup.

Gasoline Engines (e.g., 2.0 TFSI, 3.0 TFSI V6)

Most gasoline-powered 2014 A6 models—especially in the U.S. and many other markets—use turbocharged or supercharged direct-injection engines that place high demands on engine oil.

• Typical requirement: Full synthetic oil meeting VW 502 00.
• Common viscosity: 5W-40 approved to VW 502 00; in some manuals 0W-40, 5W-30, or 0W-30 may also be listed if they meet VW 502 00.
• Examples of acceptable products (check label for spec): Mobil 1 FS 0W-40 (European Car Formula), Castrol EDGE 5W-40 (VW 502 00 approved), Liqui Moly Top Tec / Leichtlauf that explicitly state VW 502 00 approval.

For gasoline engines, the VW 502 00 stamp is the non-negotiable requirement; if a bottle doesn’t clearly show that spec, it should be avoided regardless of brand reputation.

Diesel Engines (TDI and “Clean Diesel” Variants)

For regions where the 2014 A6 was sold with diesel powertrains, those engines typically use low-SAPS (low ash) oil to protect diesel particulate filters and other emissions equipment.

• Typical requirement: Full synthetic oil meeting VW 507 00 (often paired with VW 504 00 on the label).
• Common viscosity: 5W-30 with VW 504 00 / 507 00 approval.
• Examples of acceptable products (check label for spec): Castrol EDGE Professional LongLife III 5W-30, Mobil 1 ESP 5W-30, Shell Helix Ultra Professional AV-L 5W-30 with VW 504/507 approval.

For diesel A6 models, using the correct 507 00 low-ash oil is crucial to avoid premature clogging of the particulate filter and to maintain emissions compliance.

Where to Find the Correct Oil Information for Your Specific Car

Because the 2014 A6 was sold with different engines across trims and countries, the only way to be absolutely certain is to check the data specific to your vehicle. Audi provides several reference points that owners can rely on.

Owner’s Manual and Under-Hood Labels

Audi documents exact oil requirements in accessible places. These references are more precise than internet charts because they are tied to your engine code, region, and service schedule.

• Owner’s manual: Lists approved VW oil specifications (e.g., 502 00, 507 00) and acceptable viscosity ranges for different climates.
• Oil filler cap or engine bay stickers: Many A6 models have a VW spec printed or indicated under the hood or near the fill cap.
• Service booklet: May include recommended intervals and notes about long-life vs. fixed-interval servicing that point to specific oil specs.

Consulting these factory sources ensures that you match your oil choice to the exact needs of your vehicle and local conditions rather than relying on general assumptions.

VIN Lookup and Dealer/Service Information

When documentation is missing or unclear, the vehicle identification number (VIN) can be used to pull up accurate data from manufacturer or professional databases.

• Audi dealer: Can look up your VIN to confirm engine code and the precise oil specification Audi requires for that engine and region.
• Independent specialists: Many European-car specialists subscribe to OEM-level service databases that list correct oil specs by VIN.
• Online parts catalogs: Major OEM and aftermarket sites often specify “meets VW 502 00” or “VW 507 00” when you enter your VIN or exact model details.

Using a VIN-based lookup removes the guesswork and helps avoid using oil that might be correct for a different A6 engine but not for yours.

Why Using the Right Oil Matters for a 2014 Audi A6

The 2014 A6 engines—especially turbocharged gasoline and modern diesel units—run hot, operate at high pressures, and rely on precise lubrication to avoid long-term damage. The proper oil does more than simply reduce friction.

Engine Protection, Turbos, and Timing Components

Modern Audi engines have complex internal designs that depend heavily on oil quality. Failing to meet the required spec can accelerate wear in ways that are not immediately obvious.

• Turbocharger life: Correct spec oils are formulated to resist breakdown under the extreme heat and speed in turbochargers, protecting bearings and preventing coking.
• Timing chains and tensioners: Many A6 engines use chain-driven timing systems that demand consistent oil pressure and cleanliness to avoid stretching or tensioner failure.
• Deposit and sludge control: VW-approved oils must pass tests for cleanliness under extended drains, reducing risk of sludge that can block oil passages.

By sticking to the required specification, owners help preserve expensive components and minimize the chance of catastrophic failures tied to lubrication issues.

Fuel Economy, Emissions, and Warranty Considerations

The choice of oil also affects how efficiently and cleanly the vehicle runs, and in some cases, what coverage you have if something goes wrong.

• Fuel efficiency: The viscosity and additives in approved oils are tuned to balance protection and reduced internal drag, supporting Audi’s fuel economy targets.
• Emissions systems: For diesel models, low-SAPS oils (VW 507 00) protect particulate filters and catalytic converters from ash and sulfur-related damage.
• Warranty and goodwill repairs: While a 2014 A6 is likely out of new-car warranty, maintenance histories with correct-spec oil can influence decisions on goodwill or extended coverage claims.

Choosing oil that meets the official VW/Audi standards helps the car run as designed and preserves both environmental performance and potential support from the manufacturer or dealer network.

Service Intervals and Practical Tips

Selecting the right oil is only part of the equation; using it on a sensible schedule is equally important for the health of a 2014 Audi A6, particularly as the vehicle ages and accumulates mileage.

Recommended Change Intervals

Factory intervals can be relatively long, but many owners and technicians adjust them based on real-world driving conditions and age.

• Factory guidance (many markets): Up to around 10,000 miles (15,000 km) or 1 year, whichever comes first, when using approved long-life oil and under normal driving conditions.
• Conservative practice: Many independent Audi specialists recommend 5,000–7,500 miles (8,000–12,000 km) intervals, especially for turbocharged gasoline engines or vehicles used in stop-and-go or hot climates.
• High-mileage vehicles: For older A6 models with substantial mileage, more frequent changes can help manage consumption, deposits, and general wear.

Balancing manufacturer guidelines with real-world use patterns can extend engine life beyond what is typical for vehicles that strictly follow maximum interval recommendations.

Other Practical Oil-Change Advice

Beyond oil choice and interval timing, several practical steps can improve outcomes for a 2014 A6 owner performing or scheduling oil changes.

• Use quality filters: Choose OEM or high-quality filters designed for Audi/VW applications; poor filters can negate some benefits of high-quality oil.
• Check level regularly: Turbocharged and higher-mileage engines can consume oil; monitor level between changes and top up with the same spec oil as needed.
• Avoid mixing specs: If topping off, use oil with the same VW approval; occasional small mixing is usually safe, but consistency is preferable.
• Warm engine before draining: Having the engine warm (not extremely hot) helps old oil flow out more completely, taking more contaminants with it.

Following these practices, together with the correct VW-spec oil, supports smoother operation, improved reliability, and better long-term ownership experience for the A6.

Summary

The 2014 Audi A6 is engineered to run on full synthetic oil that meets specific VW/Audi standards—most commonly VW 502 00 for gasoline engines (often in 5W-40) and VW 507 00 for many diesel engines (commonly 5W-30). While multiple brands and viscosities may appear suitable, the critical factor is that the oil bottle clearly states the required VW approval. Checking the owner’s manual, oil cap, or a VIN-based dealer lookup will confirm the exact spec for a particular engine. Using the correct oil, along with sensible change intervals and quality filters, is central to protecting the engine, turbocharger, and emissions systems as the A6 ages.

What oil should I put in my Audi A6?

The required Audi A6 oil type varies by model year, but it’s often a full synthetic oil with specific viscosity grades like 0W-20, 5W-30, or 5W-40. Always check your owner’s manual for the specific viscosity grade and the required oil quality specification, such as VW 508.00, VW 504.00, or VW 502.00. 
By model year and engine

• 2019-2023 models (3.0L Turbocharged): Full synthetic 0W-20 is often required, meeting the VW 508.00 & 509.00 standard. 
• 2017-2018 models (3.0L Supercharged): May require a full synthetic 5W-40 that meets VW 502 00 or VW 504 00 standards. 
• 2010-2016 models (3.0L Supercharged): Full synthetic 5W-40 is a common requirement, meeting the VW 502 00 standard. 
• Older models (2002-2004, 3.0L 30V): Typically use a full synthetic 5W-40 that meets the VW 502 00 oil specification. 

General recommendations

• Always confirm with your owner’s manual: The most accurate information will be in your owner’s manual for your specific vehicle. 
• Choose a full synthetic oil: For many Audi A6 models, a high-quality full synthetic oil is recommended or required for optimal engine protection. 
• Consider climate: If the specified oil isn’t available, choose a viscosity grade suitable for your local climate and operating conditions. 
• Look for the oil quality specification: The VW quality standard (like 508.00, 504.00, or 502.00) is crucial, not just the viscosity grade. 

How much oil does a 2014 Audi A6 2.0 T take?

4.9 quarts (with filter). After refill check oil level. Torque: 22 ft/lbs (Oil Drain Plug) Replace drain plug with new drain plug after each removal.

Can I use 5W-30 in my Audi?

The recommended oil type is 5w-40 synthetic. While 5w-30 can work in a pinch, it’s best to use 5w-40 if you have it available. Yes, using Mobile One is perfectly acceptable.

What type of oil does a 2014 Audi A6 take?

Notes: Full synthetic. 5W-40. 5 quart.