Audi Audi S8 2019-present

Audi Audi S8 2019-present Fuel System Specifications

Detailed technical specifications and guidelines for the fuel system of the 2019-Present Audi S8. Learn about fuel type requirements, system components, and maintenance tips to ensure optimal performance.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2019-Present Audi S8, including key features, measurements, and technical details

How to Use

Use the search function to locate specific fuel specifications by entering keywords such as 'octane rating', 'fuel capacity', or 'emission standards'.

Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each section is clearly labeled for easy access.

Key Specifications

Fuel Type

Premium unleaded gasoline (91 AKI / 95 RON)

Fuel Tank Capacity

21.7 gallons (82 liters)

Fuel Pump Pressure

2900 psi (200 bar)

CO2 Emissions

292 g/km

Fuel Filter Service Interval

30,000 miles (48,000 km)

Available Specifications

Fuel Type and Quality

Details on the recommended fuel type, quality standards, and performance requirements for the Audi S8

Recommended Fuel Type

Premium unleaded gasoline with a minimum octane rating of 91 AKI (95 RON)
Use of lower octane fuel may result in reduced performance and efficiency
Ethanol content should not exceed 10% (E10)
Avoid using diesel or alternative fuels not specified by Audi

Fuel Quality Standards

Complies with EN 228 European fuel standard
Must meet Top Tier Detergent Gasoline standards for optimal engine performance
Sulfur content must not exceed 10 ppm
Fuel additives should be Audi-approved to avoid engine damage

Note: Using non-compliant fuel may void the vehicle's warranty.

Fuel System Specifications

Technical details of the fuel system, including capacity, delivery, and components

Fuel Tank Capacity

Total fuel tank capacity: 21.7 gallons (82 liters)
Reserve fuel capacity: 2.6 gallons (10 liters)
Fuel tank material: High-density polyethylene (HDPE)
Fuel tank design: Dual-chamber for improved weight distribution

Fuel Delivery System

Direct fuel injection system with multi-hole injectors
Fuel pump pressure: 2900 psi (200 bar)
Electronic fuel pressure regulation for precise delivery
Integrated fuel filter with a service interval of 30,000 miles (48,000 km)

Emission and Efficiency Standards

Information on fuel efficiency, emissions compliance, and environmental impact

Fuel Efficiency

Combined fuel economy: 18 mpg (13.1 L/100 km)
Highway fuel economy: 25 mpg (9.4 L/100 km)
City fuel economy: 14 mpg (16.8 L/100 km)
CO2 emissions: 292 g/km

Emission Standards

Complies with Euro 6d-TEMP emission standards
Equipped with a gasoline particulate filter (GPF)
NOx emissions reduced by 80% compared to previous models
Onboard diagnostics (OBD) system monitors emissions in real-time

Note: Regular maintenance is required to maintain emission compliance.

Fuel System Maintenance

Guidelines for maintaining the fuel system to ensure optimal performance and longevity

Fuel Filter Replacement

Replace fuel filter every 30,000 miles (48,000 km)
Use only Audi-approved fuel filters
Follow torque specifications during installation: 18 Nm (13.3 lb-ft)
Inspect fuel lines for leaks during replacement

Fuel Injector Cleaning

Clean fuel injectors every 60,000 miles (96,000 km)
Use Audi-approved cleaning solutions
Inspect injector seals for wear during cleaning
Ensure proper injector spray pattern after cleaning

Note: Improper cleaning can lead to injector malfunction.

Search Specifications

Search by specification name, value, or description

Component Specifications

Fuel Type

Recommended Fuel: Premium unleaded gasoline (95 RON or higher)

Minimum Octane Rating: 91 RON

Ethanol Content: Up to 10% (E10)

Notes: Using lower octane fuel may reduce performance and increase fuel consumption

Fuel System

System Type: Direct injection (FSI)

Fuel Pump Pressure: 5.8 bar (84 psi)

injector Type: High-pressure solenoid injectors

Part Number: 06E906036C

Notes: System designed for optimal combustion efficiency and reduced emissions

Fuel Tank

Capacity: 80 liters (21.1 gallons)

Material: High-density polyethylene (HDPE)

Part Number: 4M0201101A

Notes: Includes integrated fuel level sensor and pressure relief valve

Fuel Filter

Type: In-line fuel filter

Replacement interval: Every 60,000 miles or 60 months

Part Number: 8K0201051B

Notes: Designed to remove contaminants and protect the fuel injection system

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 120 liters/hour (31.7 gallons/hour)

Operating Voltage: 12V DC

Part Number: 4M0919051G

Notes: Includes integrated fuel pressure regulator

Fuel injectors

Type: High-pressure solenoid injectors

Flow Rate: 15.5 cc/min at 3 bar

Operating Pressure: Up to 200 bar (2900 psi)

Part Number: 06E906036C

Notes: Precision-engineered for optimal fuel atomization and combustion

Fuel Consumption

City: 14.7 L/100 km (16 mpg)

Highway: 8.1 L/100 km (29 mpg)

Combined: 10.5 L/100 km (22 mpg)

Notes: Figures based on Audi's internal testing under controlled conditions

Emissions

Co2 Emissions: 239 g/km

Euro Standard: Euro 6d-TEMP

Notes: Complies with stringent European emission standards

Diagnostics

Obd2 Compatibility: Yes

Common Codes

P0171
P0172
P0191
P0192

Notes: Fuel system diagnostics accessible via Audi's VAS diagnostic tool

Maintenance

Fuel System Cleaner: Recommended every 15,000 miles

injector Cleaning: Recommended every 30,000 miles

Notes: Use only Audi-approved fuel additives and cleaning agents

Service Information Service

Detailed service requirements and schedules for the fuel system

10,000

Inspect fuel lines and connections for leaks
Check fuel filter condition
Verify fuel pump operation

Basic inspection to ensure fuel system integrity

60,000

Replace fuel filter
Clean fuel injectors
Inspect fuel tank for damage or contamination

Comprehensive fuel system maintenance to ensure optimal performance

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2019-Present Audi S8?

The 2019-Present Audi S8 requires premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. Using lower octane fuel may result in reduced performance and efficiency.

What is the fuel tank capacity of the Audi S8?

The Audi S8 has a fuel tank capacity of 21.7 gallons (82 liters). This allows for extended driving ranges, especially when combined with the vehicle's efficient engine management system.

Can I use ethanol-blended fuel in the Audi S8?

The Audi S8 is compatible with ethanol-blended fuels containing up to 10% ethanol (E10). However, fuels with higher ethanol concentrations, such as E15 or E85, are not recommended as they can damage the fuel system and void the warranty.

What is the fuel economy of the Audi S8?

The 2019-Present Audi S8 achieves an EPA-estimated fuel economy of 15 mpg in the city, 24 mpg on the highway, and 18 mpg combined. Actual mileage may vary based on driving conditions and habits.

Does the Audi S8 have a fuel-saving start-stop system?

Yes, the Audi S8 is equipped with a start-stop system that automatically shuts off the engine when the vehicle is stationary, such as at traffic lights, to reduce fuel consumption and emissions.

What happens if I accidentally use diesel fuel in the Audi S8?

Using diesel fuel in the Audi S8, which is designed for gasoline, can cause severe engine damage. If this occurs, do not start the engine. Contact an Audi service center immediately for professional assistance.

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 Fuel System Maintenance Guide

Coming Soon

Learn about proper fuel system maintenance, including fuel filter replacement and injector cleaning, to ensure optimal performance and longevity.

Understanding Octane Ratings

Coming Soon

A detailed explanation of octane ratings and their impact on engine performance, specifically tailored for Audi vehicles.

Audi Warranty and Fuel Requirements

Coming Soon

Understand how using the correct fuel type and adhering to Audi's recommendations can protect your vehicle's warranty coverage.

Fuel Efficiency Tips for Audi S8 Owners

Coming Soon

Practical tips and driving techniques to maximize fuel efficiency and reduce operating costs for your Audi S8.

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