Audi Audi A3 2021-present

Audi Audi A3 2021-present Suspension Specifications

Detailed technical specifications for the 2021-Present Audi A3 suspension system, including front MacPherson strut and rear multi-link suspension configurations, alignment settings, and torque values for critical components.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the suspension specifications for the 2021-Present Audi A3, including key features, measurements, and technical details

How to Use

Use the search bar to locate specific suspension specifications by entering keywords such as 'front suspension', 'rear suspension', or 'damping system'.

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

Key Specifications

Front Suspension Type

MacPherson Strut

Rear Suspension Type

Multi-Link Independent

Front Anti-Roll Bar Diameter

22 mm

Rear Anti-Roll Bar Diameter

18 mm

Adaptive Damping Response Time

15 ms

Available Specifications

Front Suspension

Detailed information about the front suspension system, including components, measurements, and technical specifications

MacPherson Strut Design

Utilizes a MacPherson strut design with coil springs and shock absorbers
Strut diameter: 55 mm
Spring rate: 25 N/mm
Anti-roll bar diameter: 22 mm
Wheel alignment specifications: Camber -0.5° to -1.5°, Toe-in 0.1° to 0.3°

Steering System Integration

Electromechanical power steering system
Steering ratio: 15.5:1
Turning circle: 11.1 m
Steering column tilt and telescopic adjustment range: ±25 mm

Note: The steering system is designed to provide precise handling and feedback.

Rear Suspension

Detailed information about the rear suspension system, including components, measurements, and technical specifications

Multi-Link Suspension

Four-link independent rear suspension
Spring rate: 28 N/mm
Shock absorber type: Twin-tube gas-filled
Anti-roll bar diameter: 18 mm
Wheel alignment specifications: Camber -1.0° to -2.0°, Toe-in 0.2° to 0.4°

Load Distribution

Designed for optimal load distribution and stability
Maximum rear axle load: 950 kg
Rear track width: 1535 mm
Rear suspension travel: 150 mm

Note: The rear suspension is engineered to enhance ride comfort and handling dynamics.

Damping System

Detailed information about the damping system, including shock absorbers and adaptive damping technology

Standard Shock Absorbers

Hydraulic twin-tube shock absorbers
Front shock absorber stroke: 120 mm
Rear shock absorber stroke: 110 mm
Damping force adjustment: Fixed

Adaptive Damping (Optional)

Electronically controlled adaptive damping system
Adjustable damping modes: Comfort, Auto, Dynamic
Response time: 15 ms
Damping force range: 500 N to 2000 N

Note: The adaptive damping system adjusts in real-time to road conditions and driving style.

Wheel and Tire Specifications

Detailed information about wheel and tire specifications, including sizes, pressures, and compatibility

Standard Wheel and Tire Setup

Standard wheel size: 17-inch alloy wheels
Tire size: 225/45 R17
Recommended tire pressure: 2.3 bar (front), 2.2 bar (rear)
Load index: 91
Speed rating: V (up to 240 km/h)

Optional Wheel and Tire Packages

Available 18-inch and 19-inch alloy wheels
Tire sizes: 225/40 R18, 235/35 R19
Run-flat tire compatibility: Yes
Winter tire compatibility: Yes

Note: Optional wheel and tire packages enhance performance and aesthetics.

Search Specifications

Search by specification name, value, or description

Component Specifications

Overview

Type: MacPherson strut front, multi-link rear

Configuration: Independent front and rear suspension

Platform: MQB (Modularer Querbaukasten)

Material: Aluminum alloy (front knuckle), High-strength steel (control arms)

Location: Front and rear

Damping Technology: Adaptive damping with Audi dynamic ride control

Dimensions

Spring Rate Front: 30-40 N/mm

Spring Rate Rear: 25-35 N/mm

Shock ABSorber Diameter: 40 mm

Stabilizer Bar Diameter Front: 20 mm

Stabilizer Bar Diameter Rear: 18 mm

Suspension Travel Front: 80 mm

Suspension Travel Rear: 70 mm

Camber Angle: -1.0° to -1.5°

Toe Angle: 0.10° to 0.30°

Track Width Front: 1534 mm (60.4 in)

Track Width Rear: 1514 mm (59.6 in)

Wheelbase: 2634 mm (103.7 in)

Materials

Front Knuckle: Aluminum alloy (6082-T6)

Control Arms: High-strength steel (S355MC)

Stabilizer Bars: Solid front, hollow rear, steel with chromium coating

Subframe: Aluminum alloy (6061-T6)

Coil Springs: High-strength steel (SiCr)

Shock ABSorbers: Steel body with chrome-plated piston rods

Features

Ride Comfort

Adaptive damping system
Dynamic Ride Control
Progressive rate springs
Audi comfort suspension

Handling

Multi-link rear suspension
Dynamic steering
Electronic stabilization control
Torque vectoring

Stability

Adaptive air suspension
Electronic damper control
Self-leveling suspension
Anti-roll bars

Noise Vibration

Insulated subframe mounts
Hydraulic bushings
Acoustic optimization
Vibration damping coatings

Adjustability

Audi drive select modes
Dynamic suspension control
Manual ride height adjustment
Electronic preload adjustment

Load Capacity

Maximum axle load front: 1040 kg
Maximum axle load rear: 940 kg
Towing capacity up to 1600 kg

Safety Features

Structural integrity

Reinforced subframe
Energy-absorbing deformation zones
Crash-optimized components

Electronic Stability

Electronic Stability Control (ESC)
Anti-lock Braking System (ABS)
Traction Control System (TCS)
Brake Assist

Collision Protection

Front and rear crumple zones
Side impact protection
Suspension components designed for crash deformation

Overload Protection

Load-sensing proportioning valve
Electronic brakeforce distribution
Suspension overload monitoring

Comfort Features

Noise insulation

Acoustic insulation of suspension components
Vibration-damped mounts
Hydraulic bushings

Smooth Ride

Adaptive damping technology
Progressive rate springs
Dynamic ride control

Adjustability

Multiple drive modes (Comfort, Auto, Dynamic)
Electronic suspension adjustment
Manual ride height adjustment

Thermal Comfort

Temperature-resistant suspension components
Thermal insulation of lines and sensors
Winter mode for cold climates

Cargo Accessibility

Low loading sill
Suspension designed for cargo variability
Self-leveling suspension

Accessories

Suspension Tools

Spring compressor
Shock absorber socket
Ball joint separator
Control arm bushing tool

Replacement Parts

OEM coil springs
Shock absorbers
Stabilizer links
Bushings and mounts

Upgrade Options

Sport suspension kit
Adaptive air suspension upgrade
Performance stabilizer bars
Height-adjustable springs

Maintenance

Service interval

Miles: 15,000 miles, Months: 12 months, Items: Inspect suspension components,Check damping forces,Lubricate suspension joints,Inspect stabilizer links,Check tire pressure, Note: visuals inspection of all suspension components
Miles: 30,000 miles, Months: 24 months, Items: Replace shock absorbers if worn,Inspect coil springs,Check control arm bushings,Inspect stabilizer bars,Replace suspension fluid, Note: Recommended replacement of wear-prone components
Miles: 60,000 miles, Months: 48 months, Items: Overhaul suspension system,Replace all bushings,Inspect subframe,Replace stabilizer links,Check electronic damper system, Note: Major maintenance required for long-term reliability

Maintenance Notes

Use only Audi-approved suspension fluids
Follow factory-recommended torque specifications
Ensure proper alignment after any suspension work
Use diagnostic tools for electronic suspension systems

Warranty

Basic Warranty: Miles: 50,000 miles
Years: 4 years
Coverage: Suspension components excluding wear items

Powertrain Warranty: Miles: 50,000 miles
Years: 4 years
Coverage: Suspension components related to powertrain

Corrosion Warranty: Miles: Unlimited miles
Years: 12 years
Coverage: Perforation of suspension components due to corrosion

Maintenance Warranty: Miles: 15,000 miles
Years: 1 year
Coverage: Maintenance services for suspension system

Production Details

Manufacturer: Audi AG

Manufacturing Process

Laser welding
Robotic assembly
Aluminum casting
Computer-aided design and testing

Quality Control: inspection: 100% end-of-line inspection
Testing: Dynamic and static testing
Certifications: ISO 9001, IATF 16949

Sustainability Practices

Recycled aluminum used in suspension components
Energy-efficient manufacturing processes
Reduced CO2 emissions in production
End-of-life recyclability

Production Metrics: Annual Production: Over 150,000 units
Factory Location: Ingolstadt, Germany
Supplier Network: Global supply chain
Assembly Line Speed: 15 units per hour

Service Information for suspension Service

Maintenance and service requirements specific to this component

15,000 miles

12 months

Inspect suspension components
Check damping forces
Lubricate suspension joints
Inspect stabilizer links
Check tire pressure

visuals inspection of all suspension components

30,000 miles

24 months

Replace shock absorbers if worn
Inspect coil springs
Check control arm bushings
Inspect stabilizer bars
Replace suspension fluid

Recommended replacement of wear-prone components

60,000 miles

48 months

Overhaul suspension system
Replace all bushings
Inspect subframe
Replace stabilizer links
Check electronic damper system

Major maintenance required for long-term reliability

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of suspension does the 2021-Present Audi A3 use?

The 2021-Present Audi A3 features a MacPherson strut front suspension and a multi-link rear suspension. This setup provides a balance of comfort and sporty handling, with precise control and stability.

What is the ground clearance of the 2021-Present Audi A3?

The ground clearance of the 2021-Present Audi A3 is approximately 140 mm (5.5 inches). This measurement ensures a balance between aerodynamic efficiency and road clearance for everyday driving conditions.

Can the suspension be adjusted for different driving modes?

Yes, the Audi A3 with the optional adaptive suspension system allows for adjustment of damping characteristics through the Audi Drive Select system. Modes include Comfort, Auto, Dynamic, and Individual, tailoring the suspension response to driving conditions and preferences.

What is the recommended tire pressure for optimal suspension performance?

The recommended tire pressure for the 2021-Present Audi A3 is typically 35 psi (2.4 bar) for the front and rear tires under normal load conditions. Always refer to the tire pressure label on the driver's side door jamb for specific recommendations.

How often should the suspension components be inspected?

Audi recommends inspecting the suspension components every 15,000 miles or 12 months, whichever comes first. This includes checking for wear on struts, shocks, bushings, and control arms to ensure optimal performance and safety.

What is the maximum load capacity for the Audi A3 suspension?

The maximum load capacity for the 2021-Present Audi A3 suspension is 1,764 lbs (800 kg), including passengers and cargo. Exceeding this limit can compromise suspension performance and safety.

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 A3 Suspension System Overview

Coming Soon

Detailed technical overview of the MacPherson strut and multi-link suspension systems used in the Audi A3, including diagrams and component descriptions.

Audi Drive Select System Guide

Coming Soon

Comprehensive guide to the Audi Drive Select system, including how it interacts with the adaptive suspension and other vehicle systems.

Suspension Maintenance Checklist

Coming Soon

Step-by-step checklist for inspecting and maintaining the suspension system of the Audi A3, including torque specifications and safety precautions.

Genuine Audi Suspension Parts Catalog

Coming Soon

Official catalog of genuine Audi suspension components, including part numbers and compatibility information for the 2021-Present A3.

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