Audi Audi A6 2011-2018 Fuel System Specifications
Detailed technical guide for the 2011-2018 Audi A6 fuel system, including specifications, maintenance, and troubleshooting. Learn about fuel type requirements, injector details, pump performance, and emission compliance.
Audi A6 (2011-2018) Fuel Specifications Overview Specifications
This document provides a comprehensive overview of the fuel specifications for the 2011-2018 Audi A6 models. It includes detailed information on engine options, fuel types, fuel efficiency, and maintenance recommendations. Use this guide to understand the fuel requirements and capabilities of your vehicle, ensuring optimal performance and longevity. Navigate through the sections to find specific details or use the quick reference for key specifications.
How to Use
To find specific information, use the search functionality by typing keywords such as 'engine type,' 'fuel efficiency,' or 'maintenance.' This will help you quickly locate relevant sections and details.
Navigate through the document by exploring the major sections listed in the table of contents. Each section contains subsections with detailed technical points. Use the quick reference section for a concise overview of key specifications.
Key Specifications
Engine Options
2.0L I4, 3.0L V6, 4.0L V8
Fuel Tank Capacity
19.3 gallons (73 liters)
City Fuel Economy (Gasoline)
Up to 24 mpg
Combined Fuel Economy (Diesel)
Up to 27 mpg
Emissions Standard
ULEV/BIN 5
Available Specifications
Engine Options
The 2011-2018 Audi A6 is available with a range of engine options, including gasoline and diesel variants. This section provides detailed specifications for each engine type, including fuel requirements and performance capabilities.
Engine Options
The 2011-2018 Audi A6 is available with a range of engine options, including gasoline and diesel variants. This section provides detailed specifications for each engine type, including fuel requirements and performance capabilities.
Gasoline Engines
- 2.0L Turbocharged Inline-4 (TFSI)
- 3.0L Supercharged V6 (TFSI)
- 4.0L Twin-Turbo V8 (S6 model)
- Fuel type: Premium unleaded gasoline (91 octane or higher)
- Direct fuel injection system
- Variable valve timing
Diesel Engines
- 3.0L Turbocharged V6 (TDI)
- Fuel type: Ultra-low sulfur diesel
- Common rail fuel injection system
- Exhaust gas recirculation (EGR) system
- Diesel particulate filter (DPF)
Fuel System
This section details the fuel system components and specifications for the 2011-2018 Audi A6, including fuel tank capacity, fuel injectors, and recommended fuel types.
Fuel System
This section details the fuel system components and specifications for the 2011-2018 Audi A6, including fuel tank capacity, fuel injectors, and recommended fuel types.
Fuel Tank and Delivery System
- Fuel tank capacity: Approximately 19.3 gallons (73 liters)
- Fuel injectors: Piezo fuel injectors for precise fuel delivery
- Fuel pump: Electric fuel pump with pressure regulator
- Fuel lines: High-pressure fuel lines for direct injection systems
Recommended Fuel
- Gasoline engines: Premium unleaded gasoline (91 octane or higher)
- Diesel engines: Ultra-low sulfur diesel
- Do not use E85 or other ethanol blends in gasoline engines
- Do not use biodiesel blends higher than 5% in diesel engines
Fuel Efficiency
This section provides fuel economy estimates for the 2011-2018 Audi A6 models, including city, highway, and combined mpg ratings for both gasoline and diesel engines.
Fuel Efficiency
This section provides fuel economy estimates for the 2011-2018 Audi A6 models, including city, highway, and combined mpg ratings for both gasoline and diesel engines.
Gasoline Engines
- 2.0L Turbocharged Inline-4: Up to 24 mpg city, 32 mpg highway, 27 mpg combined
- 3.0L Supercharged V6: Up to 19 mpg city, 28 mpg highway, 22 mpg combined
- 4.0L Twin-Turbo V8 (S6): Up to 17 mpg city, 27 mpg highway, 21 mpg combined
Diesel Engines
- 3.0L Turbocharged V6 (TDI): Up to 24 mpg city, 31 mpg highway, 27 mpg combined
- Actual mileage may vary depending on driving conditions and maintenance
Maintenance and Service
Proper maintenance is essential for maintaining fuel efficiency and performance. This section outlines recommended service intervals and procedures related to the fuel system.
Maintenance and Service
Proper maintenance is essential for maintaining fuel efficiency and performance. This section outlines recommended service intervals and procedures related to the fuel system.
Fuel System Maintenance
- Replace fuel filter every 15,000 to 30,000 miles
- Inspect fuel lines and connections every 30,000 miles
- Clean fuel injectors every 60,000 miles or as needed
- Check fuel tank and cap for leaks or damage
- Reset fuel system adaptations after repairs
Emissions and Compliance
This section provides information on emissions standards and compliance for the 2011-2018 Audi A6 models, including details on emissions control systems.
Emissions and Compliance
This section provides information on emissions standards and compliance for the 2011-2018 Audi A6 models, including details on emissions control systems.
Emissions Standards
- Gasoline engines: Meet ULEV (Ultra Low Emission Vehicle) standards
- Diesel engines: Meet BIN 5 emissions standards
- Equipped with catalytic converter and exhaust gas recirculation
- Diesel models include selective catalytic reduction (SCR) technology
- Compliant with EPA and CARB regulations
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Component Specifications
Overview
- Type
- gasoline and diesel
- Configuration
- front longitudinal
- Platform
- MLB (Modular Longitudinal Matrix)
- Material
- high-density polyethylene (HDPE) tank
- Location
- rear of vehicle
Dimensions
- Fuel Tank Capacity
- 70 liters (18.49 gallons)
- Fuel Tank Length
- 108 cm (42.52 in)
- Fuel Tank Width
- 44 cm (17.32 in)
- Fuel Tank Height
- 25 cm (9.84 in)
- Fuel Line Diameter
- 8 mm (0.31 in)
- Fuel Filler Neck Diameter
- 50 mm (1.97 in)
- Fuel Pump Height
- 150 mm (5.91 in)
- Fuel Pump Width
- 100 mm (3.94 in)
Materials
- Fuel Tank
- high-density polyethylene (HDPE)
- Fuel Lines
- reinforced rubber with steel braiding
- Fuel Filler Neck
- stainless steel
- Fuel Pump
- aluminum housing with steel internals
Features
- Fuel Efficiency Features
-
- start-stop technology
- cylinder deactivation
- eco mode operation
- Fuel System Features
-
- multi-point fuel injection
- adaptive knock sensors
- returnless fuel system
- Safety Features
-
- roll-over valve
- fuel cut-off in case of collision
- vapor recovery system
- Monitoring Features
-
- fuel level sensor
- fuel pressure sensor
- fuel temperature sensor
Safety Features
- Collision Protection
-
- fuel cut-off upon airbag deployment
- reinforced fuel lines
- protected fuel tank location
- Theft Protection
-
- anti-siphon device
- fuel cap with locking mechanism
- Emission Control
-
- vapor recovery system
- EGR (exhaust gas recirculation)
- catalytic converter
Comfort Features
- Convenience Features
-
- automatic fuel cap release
- fuel door release from driver seat
- adaptive cruise control with fuel efficiency optimization
- Comfort Optimization
-
- smooth fuel delivery during acceleration
- low fuel level warning system
- fuel efficiency display on dashboard
Accessories
- Fuel Additives
-
- diesel fuel additive kit
- gasoline fuel injector cleaner
- fuel tank cleaning kit
- Fuel System Accessories
-
- fuel pressure test kit
- fuel line repair kit
- fuel filter wrench
- Optional Equipment
-
- high-capacity fuel tank
- performance fuel injectors
- upgraded fuel pump
Maintenance
- Service interval
- every 15,000 miles (24,140 km) or 12 months
- Service Items
-
- fuel filter replacement
- fuel line inspection
- fuel system cleaning
- fuel pump inspection
- fuel sensor calibration
- Maintenance Notes
- Recommended to use Audi-approved fuel additives and filters for optimal performance and longevity.
Warranty
- Basic Fuel System Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: parts and labor
- Corrosion Perforation Warranty
- Miles: unlimited milesYears: 12 yearsCoverage: fuel tank and lines
- Emissions Warranty
- Miles: 80,000 milesYears: 8 yearsCoverage: emission-related fuel components
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- robotic welding
- high-precision fuel tank molding
- quality control inspection
- Quality Control
- inspection Checklist: fuel tank integrity test, fuel line pressure test, fuel system leak testCertification: ISO 9001:2015 certified
- Sustainability Practices
-
- recyclable materials used in fuel tank construction
- low-emission manufacturing processes
- energy-efficient production techniques
- Production Metrics
- Units Per Year: over 100,000 units annuallyManufacturing Plants: multiple global facilitiesSupplier Network: global network of approved suppliers
Service Information for fuel system Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Check fuel tank for leaks
- Clean fuel injectors
- Replace fuel filter
- Check fuel pressure
Ensure to use Audi-approved fuel additives to maintain system performance.
- Replace fuel filter
- Inspect fuel pump operation
- Check fuel sensor accuracy
- Clean fuel system
- Inspect fuel filler neck
Recommended to perform fuel system cleaning every 30,000 miles for optimal performance.
- Replace fuel pump if necessary
- Inspect and replace fuel lines if damaged
- Replace fuel injectors if worn
- Perform comprehensive fuel system check
- Check fuel tank integrity
Major service interval - critical for maintaining fuel system reliability.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2011-2018 Audi A6?
What type of fuel is recommended for the 2011-2018 Audi A6?
The 2011-2018 Audi A6 is designed to run on premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and efficiency.
Q2 Can I use ethanol-blended fuel in my Audi A6?
Can I use ethanol-blended fuel in my Audi A6?
Yes, the Audi A6 can use ethanol-blended fuels such as E10 (up to 10% ethanol). However, fuels with higher ethanol content, such as E85, are not recommended as they can damage the fuel system and engine components.
Q3 What is the fuel tank capacity of the Audi A6?
What is the fuel tank capacity of the Audi A6?
The fuel tank capacity of the 2011-2018 Audi A6 is approximately 19.8 gallons (75 liters). This may vary slightly depending on the specific model and trim.
Q4 What is the fuel economy of the Audi A6?
What is the fuel economy of the Audi A6?
The fuel economy varies by engine type. For example, the 2.0L TFSI engine achieves approximately 22 mpg city and 32 mpg highway, while the 3.0L TFSI engine achieves around 20 mpg city and 29 mpg highway. Always refer to the official EPA ratings for your specific model.
Q5 How often should I replace the fuel filter in my Audi A6?
How often should I replace the fuel filter in my Audi A6?
The fuel filter in the Audi A6 is typically designed to last the lifetime of the vehicle under normal driving conditions. However, if you experience fuel delivery issues or contamination, it should be inspected and replaced as necessary by a qualified technician.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Audi A6 Owner's Manual
Coming SoonThe official owner's manual provides detailed information on fuel specifications, maintenance schedules, and safety precautions.
Audi Fuel System Maintenance Guide
Coming SoonA comprehensive guide on maintaining the fuel system, including fuel injector cleaning and filter replacement procedures.
Audi Warranty Information
Coming SoonDetails on Audi's warranty coverage, including fuel system components and the impact of using non-recommended fuels.
Audi Technical Service Bulletins
Coming SoonAccess to technical service bulletins related to fuel system updates, recalls, and common issues for the Audi A6.
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Technical Information
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