Audi Audi A4 2017-present Suspension Specifications
Comprehensive guide to the 2017-Present Audi A4 suspension system, including detailed specifications for front and rear suspension components, alignment settings, and electronic damping control systems.
Suspension Specifications Overview Specifications
This document provides a comprehensive overview of the suspension specifications for the 2017-Present Audi A4. It includes detailed technical information, key features, and reference data to help users understand and utilize the suspension system effectively. Use the sections below to navigate through the document and find specific details about the suspension components, their functionality, and technical specifications.
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Key Specifications
Front Spring Rate
150-170 N/mm
Rear Spring Rate
120-140 N/mm
Ride Height
135-145 mm
Stabilizer Bar Diameter (Front/Rear)
22mm / 20mm
Shock Absorber Type
Twin-Tube or Adaptive
Available Specifications
Front Suspension
The front suspension of the 2017-Present Audi A4 features a sophisticated design optimized for both comfort and handling. It utilizes a combination of components to provide precise steering response and stability.
Front Suspension
The front suspension of the 2017-Present Audi A4 features a sophisticated design optimized for both comfort and handling. It utilizes a combination of components to provide precise steering response and stability.
McPherson Strut Design
- Forged aluminum strut housing for reduced weight
- Optimized spring rates for balanced ride quality
- Internal rebound dampers for improved control
- Integrated coil spring and shock absorber assembly
- Lateral stiffness enhanced through strut mounts
- Corrosion-resistant coating for durability
Anti-Roll Bars
- Hollow steel construction for reduced weight
- Variable thickness for optimized roll stiffness
- Bushings with high-damping rubber compounds
- Direct mounting to the subframe
- Adjustable end links for precise alignment
- Corrosion-resistant finish
Rear Suspension
The rear suspension is designed to complement the front suspension, providing a smooth ride and stable handling. It incorporates advanced materials and design features to enhance overall vehicle dynamics.
Rear Suspension
The rear suspension is designed to complement the front suspension, providing a smooth ride and stable handling. It incorporates advanced materials and design features to enhance overall vehicle dynamics.
Multi-Link Suspension
- Five-link design for precise wheel control
- Lightweight aluminum components
- Optimized bushings for reduced noise and vibration
- Separate spring and shock absorber arrangement
- Stabilizer bar integrated into the subframe
- Self-leveling functionality on select models
Rear Shock Absorbers
- Gas-filled shock absorbers for consistent damping
- Adjustable damping on adaptive suspension models
- Low-friction piston design for smooth operation
- High-strength steel construction
- Temperature-resistant sealing systems
- Integrated with electronic control systems
Shock Absorbers
The shock absorbers play a critical role in the suspension system, providing damping force to control oscillations and maintain tire contact with the road. The Audi A4 features advanced shock absorber technology.
Shock Absorbers
The shock absorbers play a critical role in the suspension system, providing damping force to control oscillations and maintain tire contact with the road. The Audi A4 features advanced shock absorber technology.
Base Model Shock Absorbers
- Standard twin-tube design
- Pressure-controlled valves for variable damping
- Low-friction internal components
- Nitrogen gas filling for reduced fade
- Durable piston rod coating
- Sealed construction for long service life
Adaptive Shock Absorbers
- Electronically controlled damping adjustment
- Multiple driving modes (Comfort, Auto, Dynamic)
- Real-time adaptation to road conditions
- Integrated with Audi Drive Select system
- High-speed solenoid valves for quick response
- Energy-efficient operation
Stabilizer Bars
The stabilizer bars (anti-roll bars) are essential for reducing body roll during cornering and improving overall handling. The Audi A4 features carefully tuned stabilizer bars front and rear.
Stabilizer Bars
The stabilizer bars (anti-roll bars) are essential for reducing body roll during cornering and improving overall handling. The Audi A4 features carefully tuned stabilizer bars front and rear.
Front Stabilizer Bar
- Solid steel construction
- 22mm diameter for balanced stiffness
- High-strength material for durability
- Polyurethane bushings for reduced noise
- Direct mounting points for precise control
- Corrosion-resistant coating
Rear Stabilizer Bar
- Hollow steel construction
- 20mm diameter for optimized roll stiffness
- Adjustable end links for fine-tuning
- High-damping bushings for reduced vibration
- Integrated with rear suspension subframe
- Lightweight design for reduced unsprung mass
Suspension Bushings
Suspension bushings are critical for isolating vibrations and maintaining precise control of the suspension components. The Audi A4 uses high-quality bushings throughout the suspension system.
Suspension Bushings
Suspension bushings are critical for isolating vibrations and maintaining precise control of the suspension components. The Audi A4 uses high-quality bushings throughout the suspension system.
Front Suspension Bushings
- High-damping rubber compounds
- Precision-molded for consistent performance
- Reinforced with internal metal sleeves
- Lubricated for smooth operation
- Durable construction for long service life
- Resistant to heat and chemicals
Rear Suspension Bushings
- Hybrid rubber and polyurethane construction
- Designed for reduced noise and vibration
- High-strength metal inserts for durability
- Grease-filled for smooth articulation
- Resistant to extreme temperatures
- Corrosion-resistant coating
Ride Height Adjustment
The Audi A4 offers adjustable ride height on select models, providing the ability to lower or raise the vehicle for different driving conditions. This feature enhances both performance and practicality.
Ride Height Adjustment
The Audi A4 offers adjustable ride height on select models, providing the ability to lower or raise the vehicle for different driving conditions. This feature enhances both performance and practicality.
Adjustable Suspension
- Electronic adjustment of ride height
- Lowering range up to 30mm
- Raising range up to 20mm
- Integrated with Audi Drive Select system
- Automatic adjustment based on speed
- Manual override for specific conditions
- Load-sensing functionality
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Component Specifications
Overview
- Type
- multi-link suspension with adaptive damping
- Configuration
- front McPherson strut, rear multi-link
- Platform
- MLB (Modular Longitudinal Matrix)
- Material
- aluminum links and steel components
- Location
- front and rear
Dimensions
- Spring Rate Front
- 150-250 N/mm (85-143 lb/in)
- Spring Rate Rear
- 120-200 N/mm (68-114 lb/in)
- Shock ABSorber Diameter
- 54 mm (2.13 in)
- Stabilizer Bar Diameter Front
- 24 mm (0.94 in)
- Stabilizer Bar Diameter Rear
- 22 mm (0.87 in)
- Suspension Travel Front
- 90 mm (3.54 in)
- Suspension Travel Rear
- 80 mm (3.15 in)
- Camber Angle
- -1.0° to -2.0°
- Toe Angle
- 0.10° to 0.30°
- Ride Height
- 130 mm (5.12 in) front, 120 mm (4.72 in) rear
Materials
- Damper Housing
- aluminum alloy
- Spring
- high-strength steel
- Control Arm
- forged aluminum
- Stabilizer Bar
- hollow steel
Features
- Adaptive Damping
-
- real-time damping adjustment
- comfort, auto, dynamic modes
- integration with Audi Drive Select
- Ride Height Adjustment
-
- adjustable via air suspension
- lowering by up to 30 mm (1.18 in)
- loading mode available
- Load Leveling
-
- automatic leveling system
- maintains constant ride height
- compensates for cargo or towing
- Dynamic Ratio Steering
-
- variable steering ratio
- faster response at lower speeds
- more stability at higher speeds
- Wheel Selective Dampers
-
- individual wheel damping control
- enhanced stability and handling
- reduced body roll
Safety Features
- Electronic Damper Control
-
- real-time monitoring
- automatic adjustment
- enhanced stability
- Roll Stability Control
-
- integration with ESC
- reduces body roll
- improved cornering stability
- Brake Dive Compensation
-
- reduces nose dive under braking
- improved braking stability
- enhanced driver control
- All Wheel Steering
-
- rear wheels turn up to 5°
- improved low-speed maneuverability
- enhanced high-speed stability
Comfort Features
- Adaptive Air Suspension
-
- adjustable air springs
- comfort, auto, dynamic modes
- load-leveling function
- Acoustic insulation
-
- sound-dampening materials
- reduced road noise
- quieter cabin
- Ride Comfort
-
- progressive rate springs
- optimized damping
- smooth ride quality
- Adjustable Seats
-
- multi-contour front seats
- adjustable lumbar support
- ventilation and massage functions
- Noise Reduction
-
- thickened suspension mounts
- rubber-isolated components
- minimized vibration transfer
Accessories
- Suspension Kits
-
- sport suspension kit
- adaptive air suspension
- off-road suspension lift
- Suspension Controls
-
- dynamic ride control
- electronic damper control module
- suspension control unit upgrade
- Suspension Components
-
- high-performance shocks
- upgraded stabilizer bars
- lightweight coilovers
Maintenance
- Service interval
-
- Miles: 5,000 miles, Months: 6 months, Items: inspect shock absorbers,check suspension mounts,tighten suspension bolts,inspect stabilizer links,check air suspension lines, Note: Replace components if worn or damaged
- Miles: 15,000 miles, Months: 12 months, Items: replace shock absorbers if necessary,lubricate suspension components,check steering gear,inspect control arms,test electronic damper control, Note: Perform alignment check if symptoms occur
- Miles: 30,000 miles, Months: 24 months, Items: replace stabilizer links,check air suspension bellows,inspect suspension bushings,test ride height sensors,perform full suspension alignment, Note: Major inspection and replacement of worn components
- Maintenance Notes
-
- use only Audi-approved parts
- follow factory service procedures
- check for software updates
- inspect for fluid leaks
- test suspension functions after service
Warranty
- New Vehicle
- Miles: 50,000 milesYears: 4 yearsCoverage: bumper-to-bumper
- Powertrain
- Miles: 50,000 milesYears: 4 yearsCoverage: engine, transmission, driveshaft
- Suspension Components
- Miles: 50,000 milesYears: 4 yearsCoverage: shocks, springs, control arms
- Corrosion Perforation
- Miles: Unlimited milesYears: 12 yearsCoverage: sheet metal and body panels
- Roadside Assistance
- Miles: Unlimited milesYears: 4 yearsCoverage: 24/7 emergency services
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- CNC machining
- robotic welding
- laser cutting
- aluminum forging
- e-coating and painting
- Quality Control
- Testing: dynamic testing, load testing, durability testing, noise and vibration testinginspection: Visual: 100% visual inspection, Dimensional: precision measurement, Functional: system functionality check
- Sustainability Practices
-
- recycled materials
- energy-efficient manufacturing
- reduced emissions
- end-of-life recycling
- Production Metrics
- Annual Production: 500,000 unitsManufacturing Time: 20 hours per unitQuality Rating: 98% defect-free rateWarranty Claims: less than 1%
Service Information for Suspension Service
Maintenance and service requirements specific to this component
- Inspect shock absorbers for leaks or damage
- Check suspension mounts for wear
- Tighten all suspension bolts
- Inspect stabilizer links for play
- Check air suspension lines for damage
Perform visual inspection of all components
- Replace shock absorbers if necessary
- Lubricate all suspension joints
- Check steering gear for play
- Inspect control arms for damage
- Test electronic damper control system
Perform wheel alignment if any symptoms occur
- Replace stabilizer links
- Check air suspension bellows for cracks
- Inspect suspension bushings for wear
- Test ride height sensors
- Perform full suspension alignment
Major inspection and replacement of worn components
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of suspension system does the 2017-Present Audi A4 use?
What type of suspension system does the 2017-Present Audi A4 use?
The 2017-Present Audi A4 is equipped with a multi-link front and rear suspension system. The front suspension features a five-link design with aluminum components for reduced weight and improved handling. The rear suspension also uses a five-link setup, providing enhanced stability and ride comfort.
Q2 What is the ground clearance of the 2017-Present Audi A4?
What is the ground clearance of the 2017-Present Audi A4?
The ground clearance of the 2017-Present Audi A4 is approximately 5.5 inches (140 mm). This measurement may vary slightly depending on the specific trim level and optional suspension configurations, such as the sport suspension or adaptive air suspension.
Q3 Can I adjust the suspension settings on the Audi A4?
Can I adjust the suspension settings on the Audi A4?
Yes, certain trims of the 2017-Present Audi A4 offer adaptive suspension with Audi Drive Select. This system allows you to adjust the suspension settings between Comfort, Auto, Dynamic, and Individual modes, tailoring the ride quality and handling to your preferences.
Q4 What is the recommended tire pressure for the Audi A4 with standard suspension?
What is the recommended tire pressure for the Audi A4 with standard suspension?
The recommended tire pressure for the 2017-Present Audi A4 with standard suspension is typically 35 psi (241 kPa) for the front tires and 33 psi (227 kPa) for the rear tires. Always refer to the tire pressure label located on the driver's side door jamb for exact specifications.
Q5 How often should the suspension components be inspected?
How often should the suspension components be inspected?
Audi recommends inspecting the suspension components every 10,000 miles or during routine maintenance intervals. Key components to check include the shock absorbers, struts, control arms, and bushings for signs of wear or damage.
Q6 What is the towing capacity of the Audi A4 with standard suspension?
What is the towing capacity of the Audi A4 with standard suspension?
The 2017-Present Audi A4 is not rated for towing. The suspension and drivetrain are not designed to handle the additional stress of towing, and doing so may void the vehicle's warranty and compromise 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 A4 Suspension System Overview
Coming SoonDetailed technical overview of the multi-link suspension system used in the 2017-Present Audi A4, including diagrams and component descriptions.
Audi Drive Select User Guide
Coming SoonComprehensive guide on using the Audi Drive Select system to adjust suspension settings and optimize driving dynamics.
Suspension Maintenance Checklist
Coming SoonStep-by-step checklist for inspecting and maintaining the suspension system of the 2017-Present Audi A4.
Genuine Audi Suspension Parts Catalog
Coming SoonOfficial catalog of genuine Audi suspension components, ensuring compatibility and performance for your A4.
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