Audi Audi A4 2005-2008 Body Specifications
Audi Audi A4 2005-2008

Audi Audi A4 2005-2008 Body Specifications

Detailed technical specifications and documentation for the body system of the 2005-2008 Audi A4, including structural components, materials, and assembly guidelines.

Updated

2005-2008 Audi A4 Body Specifications Overview Specifications

This document provides a detailed overview of the body specifications for the 2005-2008 Audi A4. It includes key measurements, materials, and features related to the vehicle's body structure. Use this guide to understand the physical dimensions, interior space, and construction details of the A4. Navigate through the sections to find specific information or use the quick reference section for key specifications.

How to Use

To search for specific information, use the Ctrl+F function (or equivalent) to find keywords within the document. Enter terms like 'length,' 'width,' or 'materials' to locate relevant details quickly.

Navigate through the document by scrolling through the sections. Each major section is clearly titled, and subsections provide detailed information. Use the quick reference section for fast access to key specifications.

Key Specifications

Overall Length

4,587 mm

Wheelbase

2,650 mm

Curb Weight

1,420 kg

Cargo Space (sedan)

460 liters

Fuel Tank Capacity

63 liters

Available Specifications

Exterior Dimensions

This section provides detailed measurements of the Audi A4's exterior, including overall length, width, height, and wheelbase. These dimensions are crucial for understanding the vehicle's physical size and proportions.

Overall Dimensions
  • Length: 4,587 mm (180.6 inches)
  • Width: 1,766 mm (69.5 inches)
  • Height: 1,427 mm (56.2 inches)
  • Wheelbase: 2,650 mm (104.3 inches)
  • Curb weight: 1,420 kg (3,130 lbs)

Interior Space

This section outlines the interior dimensions of the Audi A4, including passenger space, cargo capacity, and seating arrangements. These details are essential for understanding the vehicle's practicality and comfort.

Passenger and Cargo Space
  • Front headroom: 979 mm (38.5 inches)
  • Rear headroom: 964 mm (38 inches)
  • Front legroom: 1,040 mm (40.9 inches)
  • Rear legroom: 851 mm (33.5 inches)
  • Cargo space (sedan): 460 liters (16.24 cubic feet)
  • Cargo space (wagon): 1,180 liters (41.7 cubic feet) with rear seats folded

Body Construction and Materials

This section details the materials and construction techniques used in the Audi A4's body. It highlights the use of high-strength steel, aluminum components, and advanced manufacturing processes.

Materials and Build Quality
  • Body structure: High-strength steel with aluminum components
  • Doors and hood: Aluminum construction for weight reduction
  • Roof: Steel with optional aluminum panels
  • Suspension components: Aluminum and steel alloys
  • Corrosion protection: Comprehensive rust-proofing and coatings

Body Features

This section covers the key features of the Audi A4's body, including aerodynamics, safety features, and optional equipment. These details provide insight into the vehicle's performance and safety capabilities.

Aerodynamics and Safety
  • Drag coefficient (Cd): 0.31 (sedan), 0.32 (wagon)
  • Frontal airbags: Dual-stage for driver and passenger
  • Side airbags: Thorax-protecting airbags integrated into seats
  • Side curtain airbags: Available on all models
  • Crash-tested structure: Optimized for Euro NCAP 5-star rating

Component Specifications

Overview

Type
Sedan/Avant
Configuration
4 doors, 5 seats
Platform
Volkswagen Group B7
Material
Steel with aluminum components
Location
Front-engine, front-wheel drive or quattro all-wheel drive

Dimensions

Length
454.2 cm / 178.8 in
Width
176.9 cm / 69.6 in
Height
142.7 cm / 56.2 in
Wheelbase
264.1 cm / 103.9 in
Front Track
153.2 cm / 60.3 in
Rear Track
153.2 cm / 60.3 in
Curb Weight
1,410 kg / 3,108 lbs

Materials

Body Panels
Steel with aluminum hood and doors
Frame
Steel monocoque
Structural Components
High-strength steel in key areas
Roof
Steel panel with optional sunroof
Front End
Aluminum subframe

Features

Exterior
  • Bi-xenon headlights with LED daytime running lights
  • LED taillights
  • Power-adjustable, heated exterior mirrors
  • Rain-sensing windshield wipers
  • Alloy wheels (16-inch standard)
interior
  • Leather upholstery
  • Dual-zone automatic climate control
  • Multi-function steering wheel
  • 60/40 split-folding rear seats
  • Storage compartments and cup holders
Safety
  • Dual front airbags
  • Side airbags
  • Curtain airbags
  • Electronic Stability Program (ESP)
  • Anti-lock braking system (ABS)
  • Crash-optimized body structure
infotainment
  • Audi MMI infotainment system
  • CD player with MP3 capability
  • Bluetooth connectivity
  • AUX input
  • Premium sound system (optional)
Convenience
  • Rain sensor for automatic wipers
  • Auto-dimming rearview mirror
  • Keyless entry with remote start
  • Cruise control
  • Power windows with one-touch up/down

Safety Features

Airbags
  • Dual front airbags
  • Side airbags
  • Curtain airbags
Electronic Aid
  • Anti-lock braking system (ABS)
  • Electronic Stability Program (ESP)
  • Traction control
Structural integrity
Reinforced body structure with crumple zones
Child Safety
ISOFIX mounting points for child seats

Comfort Features

Seating
  • Leather upholstery
  • Heated front seats
  • Power-adjustable front seats
  • Lumbar adjustment
Climate Control
Dual-zone automatic climate control
Noise insulation
  • Acoustic glass
  • Sound-dampening materials
Steering
Multi-function leather-wrapped steering wheel
Storage
Multiple storage compartments and cup holders

Accessories

Exterior
  • Roof rails
  • Towing package
  • Chrome exterior package
  • Sport styling package
interior
  • Aluminum trim
  • Wood inlays
  • Illuminated door sills
  • Cargo net
Convenience
  • All-weather floor mats
  • Cargo area cover
  • First aid kit
  • Emergency triangle

Maintenance

Service interval
Every 15,000 miles or 12 months
Service Items
  • Oil change
  • Filter replacements
  • Tire rotation
  • Brake inspection
  • Fluid check
  • Belt inspection
Maintenance Notes
  • Check condition of wiper blades
  • Inspect air filter
  • Verify tire pressure
  • Check battery health
  • Inspect suspension components
  • Check exhaust system

Warranty

Basic
Miles: 48,000 miles
Years: 4 years
Coverage: Bumper-to-bumper
Powertrain
Miles: 70,000 miles
Years: 5 years
Coverage: Drivetrain components
Rust
Miles: Unlimited miles
Years: 12 years
Coverage: Perforation warranty
Maintenance
Miles: 25,000 miles
Years: 2 years
Coverage: Scheduled maintenance

Production Details

Manufacturer
Audi AG
Manufacturing Process
  • Robotic welding
  • Laser cutting
  • Cataphoretic coating
  • Paint application in automated facilities
Quality Control
Process: Stringent inspection protocols
Testing: Durability testing, Crash testing, Noise and vibration testing
Sustainability
  • Use of recyclable materials
  • Energy-efficient manufacturing processes
  • Reduced emissions during production
Production Metrics
Volume: Over 1 million units produced
Plants: Ingolstadt, Germany, Volkswagen Group facilities worldwide

Service Information for body Service

Maintenance and service requirements specific to this component

15,000 miles
12 months
  • Oil and filter change
  • Tire pressure check and adjustment
  • Brake pad inspection
  • Wiper blade replacement
  • Fluid level check
  • Battery health test

Inspect air filter and replace if necessary

30,000 miles
24 months
  • Spark plug replacement
  • Belts inspection
  • Suspension components check
  • Exhaust system inspection
  • Cooling system check
  • Air filter replacement

Special attention to brake rotor condition

60,000 miles
60 months
  • Timing belt replacement
  • Water pump replacement
  • Fuel system cleaning
  • Transmission fluid change
  • Differential fluid change
  • Brake fluid change

Critical to follow manufacturer guidelines for belt replacement

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the exterior dimensions of the 2005-2008 Audi A4?

The 2005-2008 Audi A4 sedan has an overall length of 4586 mm (180.6 in), a width of 1772 mm (69.8 in), and a height of 1427 mm (56.2 in). The wheelbase measures 2648 mm (104.3 in). The wagon (Avant) variant has the same width and height but is slightly longer at 4587 mm (180.6 in).

Q2

What materials are used in the body construction of the Audi A4?

The body of the 2005-2008 Audi A4 is constructed using a combination of high-strength steel, aluminum, and composite materials. The hood and front fenders are made of aluminum to reduce weight, while the rest of the body structure uses advanced steel alloys for rigidity and crash safety.

Q3

What is the drag coefficient of the 2005-2008 Audi A4?

The 2005-2008 Audi A4 has a drag coefficient (Cd) of 0.28 for the sedan and 0.30 for the Avant (wagon) variant. This aerodynamic design contributes to improved fuel efficiency and reduced wind noise.

Q4

What is the curb weight of the 2005-2008 Audi A4?

The curb weight of the 2005-2008 Audi A4 varies by trim and drivetrain. For example, the 2.0T FWD sedan weighs approximately 1540 kg (3395 lbs), while the 3.2L Quattro sedan weighs around 1615 kg (3560 lbs). The Avant (wagon) variant is slightly heavier due to its larger body structure.

Q5

Does the Audi A4 have any rust protection features?

Yes, the 2005-2008 Audi A4 features a multi-layer corrosion protection system, including galvanized steel panels, anti-corrosion coatings, and cavity wax treatments. These measures ensure long-term durability and resistance to rust, even in harsh climates.

Q6

What is the ground clearance of the 2005-2008 Audi A4?

The ground clearance of the 2005-2008 Audi A4 is approximately 120 mm (4.7 in) for standard models. This may vary slightly depending on suspension configuration and optional sport packages.

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 Body Repair Manual

Coming Soon

Official repair manual for the 2005-2008 Audi A4 body, covering structural repairs, panel replacement, and corrosion protection procedures.

Audi A4 Body Dimensions and Specifications

Coming Soon

Detailed technical document outlining the exterior dimensions, weight distribution, and material specifications for the 2005-2008 Audi A4.

Audi A4 Aerodynamics Guide

Coming Soon

Comprehensive guide to the aerodynamic design of the 2005-2008 Audi A4, including drag coefficient, airflow management, and fuel efficiency improvements.

Audi A4 Corrosion Protection Guide

Coming Soon

Technical guide detailing the corrosion protection measures used in the 2005-2008 Audi A4, including maintenance tips to prevent rust.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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