Audi Audi S8 2019-present

Audi Audi S8 2019-present Drivetrain Specifications

Detailed technical specifications and documentation for the 2019-Present Audi S8 drivetrain system. Explore engine, transmission, quattro all-wheel drive, differentials, and more.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the drivetrain specifications for the 2019-Present Audi S8, including key features, measurements, and technical details. The drivetrain is designed for high performance, combining advanced engineering with cutting-edge technology to deliver exceptional power and efficiency.

How to Use

Use the search function to locate specific drivetrain specifications by entering keywords such as 'transmission', 'differential', or 'torque distribution'. Filter results by section for precise information.

Navigate through the drivetrain documentation using the table of contents. Each section is organized by major components, with subsections detailing specific features and technical specifications.

Key Specifications

Engine Power

563 hp (420 kW)

Torque

590 lb-ft (800 Nm)

Transmission

8-speed Tiptronic

0-60 mph

3.8 seconds

Fuel Economy

17 mpg city, 27 mpg highway

Available Specifications

Engine and Transmission

Details about the engine and transmission system, including power output, gear ratios, and performance metrics.

Engine Specifications

4.0L TFSI V8 engine with twin turbocharging
Power output: 563 hp (420 kW) at 6,000 rpm
Torque: 590 lb-ft (800 Nm) at 2,000-4,500 rpm
Compression ratio: 10.1:1
Direct fuel injection system with Audi Valvelift System

Transmission System

8-speed Tiptronic automatic transmission
Gear ratios: 1st gear - 4.71:1, 8th gear - 0.67:1
Quattro all-wheel drive system with self-locking center differential
Torque distribution: 40% front, 60% rear (default)
Adaptive shift dynamics for sport and comfort modes

Note: The transmission system includes a launch control feature for optimal acceleration from a standstill.

All-Wheel Drive System

Technical details of the Quattro all-wheel drive system, including torque distribution and differential specifications.

Quattro System

Self-locking center differential with asymmetric torque distribution
Dynamic torque vectoring for enhanced cornering stability
Maximum torque transfer to a single wheel: up to 70%
Integrated with Audi Drive Select for customizable handling
Weight distribution: 55% front, 45% rear

Rear Sport Differential

Electronically controlled rear differential
Torque vectoring between rear wheels for improved agility
Active during dynamic driving and cornering
Reduces understeer and enhances traction
Operates seamlessly with the Quattro system

Note: The rear sport differential is optional and included in the Dynamic Package.

Drivetrain Components

Detailed information about key drivetrain components, including axles, driveshafts, and suspension integration.

Axles and Driveshafts

Front and rear axles with forged aluminum components
Driveshafts designed for high torque capacity
Axle ratio: 3.09:1 (front and rear)
Integrated with adaptive air suspension system
Weight-optimized design for improved performance

Suspension Integration

Adaptive air suspension with dynamic ride control
Ride height adjustment range: 25 mm (1 inch)
Integrated with Audi Drive Select for customizable settings
Electromechanical active roll stabilization system
Supports dynamic handling and comfort modes

Note: The suspension system is calibrated to work seamlessly with the drivetrain for optimal performance.

Performance and Efficiency

Performance metrics and efficiency features of the drivetrain, including acceleration, top speed, and fuel economy.

Performance Metrics

0-60 mph acceleration: 3.8 seconds
Top speed: 155 mph (electronically limited)
Braking distance (60-0 mph): 105 ft (32 m)
Power-to-weight ratio: 7.9 lb/hp
Drag coefficient: 0.29 Cd

Efficiency Features

Cylinder on demand (COD) system for improved fuel efficiency
Start-stop system with energy recuperation
Fuel economy: 17 mpg city, 27 mpg highway
CO2 emissions: 292 g/km
Lightweight construction for reduced energy consumption

Note: The cylinder on demand system deactivates four cylinders under light load conditions.

Search Specifications

Search by specification name, value, or description

Component Specifications

Engine

Type: 4.0L TFSI V8

Power Output: 563 hp @ 6000 rpm

Torque: 590 lb-ft @ 2000-4500 rpm

Compression Ratio: 10.1:1

Fuel System: Direct injection

Emission Standard: Euro 6d-TEMP

Transmission

Type: 8-speed Tiptronic automatic

Gear Ratios: 1st: 4.714:1
2nd: 3.143:1
3rd: 2.106:1
4th: 1.667:1
5th: 1.285:1
6th: 1.000:1
7th: 0.839:1
8th: 0.667:1
Reverse: 3.317:1

Part Number: 0C8 300 051 Q

Fluid Capacity: 9.5 liters

Fluid Type: Audi Genuine ATF

All Wheel Drive System

Type: quattro with self-locking center differential

Torque Distribution: Normal: 40:60 front:rear
Dynamic: up to 70:30 or 15:85 front:rear

Part Number: 0C8 500 010 A

Fluid Capacity: 1.2 liters

Fluid Type: Audi Genuine Gear Oil

Differential

Front: Type: Open differential
Part Number: 0C8 409 101 B
Fluid Capacity: 1.8 liters
Fluid Type: Audi Genuine Gear Oil

Rear: Type: Sport differential with torque vectoring
Part Number: 0C8 409 102 C
Fluid Capacity: 1.8 liters
Fluid Type: Audi Genuine Gear Oil

Driveshaft

Material: Carbon fiber reinforced polymer

Length: 1.5 meters

Part Number: 0C8 521 101 D

Torque Rating: 6000 Nm

Operational Temperature Range: -40°C to 120°C

Axles

Front: Type: Independent multi-link suspension
Part Number: 0C8 407 151 E
Cv Joint Type: Double offset joint
Operational Angle: up to 47°

Rear: Type: Independent multi-link suspension
Part Number: 0C8 407 152 F
Cv Joint Type: Double offset joint
Operational Angle: up to 47°

Clutch

Type: Wet multi-plate clutch

Part Number: 0C8 141 033 G

Torque Capacity: 800 Nm

Operational Temperature Range: -30°C to 150°C

Fluid Type: Audi Genuine ATF

Transfer Case

Type: Electronically controlled

Part Number: 0C8 409 050 H

Fluid Capacity: 1.5 liters

Fluid Type: Audi Genuine Gear Oil

Torque Distribution: up to 85% to rear axle

Propeller Shaft

Material: Aluminum alloy

Length: 1.2 meters

Part Number: 0C8 521 102 E

Torque Rating: 5000 Nm

Operational Temperature Range: -40°C to 120°C

Operational Limits

Maximum Speed: 250 km/h (electronically limited)

Maximum Torque: 590 lb-ft

Maximum Power: 563 hp

Temperature Range: -40°C to 120°C

Load Capacity: 600 kg

Service Information Service

Detailed service requirements and schedules for the drivetrain system

10000

Check transmission fluid level
Inspect driveshaft and propeller shaft for wear
Check differential fluid levels
Inspect CV joints and boots

Use only Audi Genuine fluids and parts

30000

Replace transmission fluid
Replace differential fluid
Inspect and lubricate driveshaft and propeller shaft
Check clutch operation

Perform under professional supervision

60000

Replace transfer case fluid
Inspect and replace CV joints if necessary
Check and adjust all-wheel drive system
Inspect and replace clutch if necessary

Ensure all components are within manufacturer specifications

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2019-Present Audi S8 use?

The 2019-Present Audi S8 features a quattro all-wheel-drive (AWD) system with a self-locking center differential. This system distributes torque variably between the front and rear axles, with a default 40:60 front-to-rear torque split, ensuring optimal traction and handling in all conditions.

What is the torque capacity of the Audi S8's drivetrain?

The Audi S8's drivetrain is designed to handle up to 800 Nm (590 lb-ft) of torque, which is generated by its 4.0-liter TFSI V8 engine. The drivetrain components, including the transmission and differentials, are engineered to manage this high torque output efficiently.

Does the Audi S8 drivetrain include a sport differential?

Yes, the Audi S8 is equipped with a sport differential as part of its quattro AWD system. The sport differential actively distributes torque between the rear wheels, enhancing cornering stability and agility, especially during dynamic driving conditions.

What type of transmission is used in the Audi S8?

The Audi S8 uses an 8-speed Tiptronic automatic transmission. This transmission is designed for smooth and rapid gear shifts, contributing to the vehicle's performance and efficiency. It also includes a manual mode for driver-controlled shifting.

How does the Audi S8's drivetrain enhance performance in adverse weather conditions?

The quattro AWD system in the Audi S8 continuously monitors road conditions and adjusts torque distribution between the front and rear axles as needed. This ensures maximum traction and stability, even in adverse weather conditions such as snow, rain, or icy roads.

What maintenance is required for the Audi S8 drivetrain?

Regular maintenance for the Audi S8 drivetrain includes checking and replacing the differential fluid every 40,000 miles (or as specified in the owner's manual), inspecting the driveshaft and CV joints for wear, and ensuring the transmission fluid is at the correct level and condition. Always follow the manufacturer's recommended service intervals.

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 S8 Drivetrain Technical Overview

Coming Soon

Detailed technical documentation covering the quattro AWD system, transmission, and differentials used in the Audi S8.

Audi S8 Maintenance Schedule

Coming Soon

Official maintenance schedule for the Audi S8, including drivetrain service intervals and procedures.

Quattro AWD System Explained

Coming Soon

An in-depth guide to Audi's quattro all-wheel-drive system, including its operation and benefits in the S8.

Audi S8 Transmission Service Manual

Coming Soon

Comprehensive service manual for the 8-speed Tiptronic transmission used in the Audi S8, including troubleshooting and repair procedures.

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