Audi Audi A6 2004-2011 4.2L Engine Engine Specifications
Audi Audi A6 2004-2011

Audi Audi A6 2004-2011 4.2L Engine Specifications

Detailed technical specifications and documentation for the 4.2L V8 engine in the 2004-2011 Audi A6. Includes performance metrics, system details, and maintenance guidelines.

Updated

2004-2011 Audi A6 4.2L Engine Specifications Specifications

This document provides a detailed overview of the 4.2L V8 engine specifications for the 2004-2011 Audi A6. It includes technical details, performance metrics, maintenance requirements, and key features. Use this guide to understand the engine's capabilities, service needs, and design aspects. Navigate through the sections for specific information or use the search functionality to find particular details.

How to Use

To find specific information, use the search function with keywords like 'horsepower,' 'torque,' or 'oil capacity.' This will help you quickly locate relevant details within the document.

Navigate through the sections by scrolling or using the section titles. Each section is organized by category, such as engine overview or performance specifications, to help you find information efficiently.

Key Specifications

Horsepower

335 HP @ 6,600 RPM

Torque

317 lb-ft @ 3,500 RPM

Displacement

4.2L (4196 cc)

Fuel Type

Premium Unleaded (91+ octane)

Top Speed

155 MPH (electronically limited)

Available Specifications

Engine Overview

This section provides general information about the 4.2L V8 engine, including its type, displacement, and key features. It serves as an introduction to the engine's design and capabilities.

Engine Type and Displacement
  • 4.2L V8 engine (V8 engine with 90-degree cylinder bank angle)
  • Displacement: 4,196 cc (4.2 liters)
  • Cylinder block material: Aluminum alloy
  • Cylinder head material: Aluminum alloy
  • Valvetrain: Double overhead camshafts (DOHC) with 32 valves
  • Fuel type: Premium unleaded gasoline (91 octane or higher)

Performance Specifications

This section details the engine's performance capabilities, including horsepower, torque, and acceleration. It also includes information about fuel economy and top speed.

Horsepower and Torque
  • Horsepower: 335 HP @ 6,600 RPM
  • Torque: 317 lb-ft @ 3,500 RPM
  • Redline: 6,800 RPM
  • Power-to-weight ratio: Approximately 9.5 lb/HP
  • Engine management system: Bosch Motronic ME 7.1.1
Fuel Economy and Top Speed
  • Fuel economy (city): 13 MPG (US)
  • Fuel economy (highway): 20 MPG (US)
  • Combined fuel economy: 16 MPG (US)
  • Top speed: Electronically governed at 155 MPH
  • Drive type: Quattro all-wheel drive

Maintenance and Service

This section outlines the recommended maintenance and service intervals for the 4.2L V8 engine. It includes oil change intervals, fluid capacities, and other service requirements.

Oil and Fluid Capacities
  • Engine oil capacity: 6.5 quarts (6.2 liters) with filter change
  • Recommended oil viscosity: 5W-40 synthetic
  • Coolant capacity: Approximately 4.5 gallons (17 liters)
  • Transmission fluid capacity: Approximately 3 quarts (2.8 liters)
  • Brake fluid capacity: Approximately 1 liter
Service Intervals
  • Oil change interval: Every 5,000 to 7,500 miles (8,000 to 12,000 km)
  • Spark plug replacement: Every 30,000 miles (48,000 km)
  • Belt replacements: Serpentine belt every 50,000 miles (80,000 km)
  • Timing belt replacement: Not applicable (chain-driven)
  • Air filter replacement: Every 15,000 miles (24,000 km)

Technical Features

This section highlights the advanced technical features of the 4.2L V8 engine, including its design, materials, and technologies.

Design and Materials
  • Aluminum alloy engine block and cylinder heads
  • Cast iron cylinder liners
  • Forged steel crankshaft
  • Lightweight pistons with low-friction coatings
  • Double overhead camshafts with hydraulic lifters
  • Variable intake manifold with tumble flaps
Fuel and Ignition System
  • Multi-point fuel injection system
  • Electronic throttle control (drive-by-wire)
  • Ignition coil-on-plug system
  • Knock sensors for octane adjustment
  • Secondary air injection system for emissions control
  • Exhaust gas recirculation (EGR) system

Engine Specifications

Overview

Type
V8
Configuration
90-degree V8
Displacement
4.2 liters
Fuel Type
Gasoline
Aspiration
Naturally Aspirated

Dimensions

Length
484 mm
Width
383 mm
Height
234 mm
Dry Weight
190 kg
Oil Capacity
6.5 liters
Engine Control Unit
Bosch Motronic ME 7.1
Fuel Recommendation
Premium Unleaded (95 RON)

Materials

Cylinder Block
Aluminum Alloy
Cylinder Head
Aluminum Alloy
Crankshaft
Forged Steel
Connecting Rods
Forged Aluminum
Valves
Stainless Steel

Features

Engine Management
  • Variable Valve Timing (VVT)
  • Electronic Throttle Control
  • Knock Sensor System
  • Exhaust Gas Recirculation (EGR)
  • Catalytic Converter
Fuel System
  • Multi-Point Fuel Injection
  • Returnless Fuel System
  • Fuel Pressure Regulator
  • In-Tank Fuel Pump
Cooling System
  • Water-Cooled
  • Electric Cooling Fan
  • Dual-Zone Climate Control
  • Coolant Temperature Sensor
Exhaust System
  • Dual Exhaust Pipes
  • Stainless Steel Exhaust Manifold
  • Catalytic Converters
  • Muffler with Resonator
Ignition System
  • Coil-On-Plug Ignition
  • Spark Plugs
  • Ignition Coil Module
  • Crankshaft Position Sensor

Safety Features

Automatic Shut Off
Yes
Crankcase Ventilation
Closed Crankcase Ventilation System
Fire Resistant Materials
  • Fuel Lines
  • Wiring Harness
  • Engine Compartment Components

Comfort Features

Noise Reduction
  • Acoustic Engine Cover
  • Sound Insulation Panels
  • Balanced Engine Design
Fuel Efficiency
  • Variable Valve Timing
  • Electronic Throttle Control
  • Efficient Cooling System
Smooth Operation
  • Hydraulic Engine Mounts
  • Engine Balance Shaft
  • Adaptive Air Intake System

Accessories

Engine Accessories
  • Engine Cover
  • Timing Belt Kit
  • Water Pump
  • Spark Plug Set
Performance Accessories
  • Performance Air Filter
  • Aftermarket Exhaust System
  • Engine Tuning Chip
Maintenance Accessories
  • Oil Filter Wrench
  • Spark Plug Socket
  • Funnel Set

Maintenance

Service interval
Every 5,000 to 7,500 miles
Service Items
  • Oil Change
  • Oil Filter Replacement
  • Air Filter Inspection/Replacement
  • Spark Plug Replacement (every 30,000 miles)
  • Belts Inspection
  • Brake Fluid Change (every 30,000 miles)
  • Coolant Change (every 60,000 miles)
Maintenance Notes
  • Use synthetic oil meeting Audi specifications
  • Inspect belts every 15,000 miles
  • Check fluid levels regularly
  • Follow recommended service schedule

Warranty

Basic Warranty
Miles: 50,000
Years: 4
Coverage: Bumper-to-Bumper
Powertrain Warranty
Miles: 70,000
Years: 5
Coverage: Drivetrain Components
Corrosion Perforation Warranty
Miles: Unlimited
Years: 12
Coverage: Perforation of Body Panels
Maintenance Warranty
Miles: 25,000
Years: 2
Coverage: Scheduled Maintenance

Production Details

Manufacturer
Audi AG
Manufacturing Process
  • CNC Machining
  • Aluminum Casting
  • Forging
  • Assembly Line Production
Quality Control
inspection: Cylinder Head Pressure Test, Crankshaft Alignment Check, Engine Block Integrity Test
Certification: ISO 9001:2000 Certified
Sustainability Practices
  • Recycling of Materials
  • Energy-Efficient Manufacturing
  • Reduction of Waste
Production Metrics
Units Produced: 200,000
Production Years: 2004-2011
Assembly Plant: Ingolstadt, Germany

Service Information for 4.2l engine Service

Maintenance and service requirements specific to this component

5,000
6
  • Oil and Oil Filter Change
  • Tire Pressure Check
  • Brake Pads Inspection
  • Air Filter Inspection
  • Belts Inspection

Check fluid levels and top off as necessary

15,000
12
  • Spark Plug Replacement
  • Air Filter Replacement
  • Fuel Filter Replacement
  • Inspect Hoses and Belts
  • Check Battery Health

Use spark plugs meeting Audi specifications

30,000
24
  • Timing Belt Replacement
  • Water Pump Replacement
  • Coolant Flush and Replacement
  • Brake Fluid Change
  • Inspect Exhaust System

Check engine mounts and suspension components

Common Questions

Find answers to common questions about torque specifications

Q1

What is the horsepower and torque output of the 4.2L V8 engine in the 2004-2011 Audi A6?

The 4.2L V8 engine in the 2004-2011 Audi A6 produces 335 horsepower at 6,800 rpm and 310 lb-ft of torque at 3,500 rpm. This engine is equipped with Audi's FSI direct fuel injection system for optimal performance and efficiency.

Q2

What type of oil and oil capacity does the 4.2L engine require?

The 4.2L V8 engine requires fully synthetic oil meeting VW 502 00 or 504 00 specifications. The oil capacity is approximately 8.5 liters (9 quarts) with a filter change. Always use the recommended oil grade to ensure proper lubrication and engine longevity.

Q3

What is the recommended service interval for the timing chain on the 4.2L engine?

The timing chain on the 4.2L V8 engine is designed to last the lifetime of the engine under normal operating conditions. However, it is recommended to inspect the timing chain and tensioners every 100,000 miles or if symptoms like rattling noises or timing-related issues arise.

Q4

What is the compression ratio of the 4.2L V8 engine?

The 4.2L V8 engine has a compression ratio of 12.5:1, which contributes to its high power output and efficiency. This high compression ratio requires the use of premium fuel (91 octane or higher) to prevent knocking and ensure optimal performance.

Q5

How often should the spark plugs be replaced on the 4.2L engine?

The spark plugs on the 4.2L V8 engine should be replaced every 60,000 miles or as specified in the owner's manual. Use only Audi-approved spark plugs to maintain proper ignition timing and engine performance.

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 4.2L V8 Engine Technical Specifications

Coming Soon

Detailed technical specifications for the 4.2L V8 engine, including dimensions, power output, and torque curves.

Audi A6 4.2L Engine Maintenance Guide

Coming Soon

Step-by-step maintenance procedures for the 4.2L V8 engine, including oil changes, spark plug replacement, and timing chain inspection.

Audi Genuine Parts Catalog for 4.2L Engine

Coming Soon

Official catalog of genuine Audi parts for the 4.2L V8 engine, including filters, gaskets, and timing components.

Audi A6 4.2L Engine Troubleshooting Guide

Coming Soon

Common issues and troubleshooting tips for the 4.2L V8 engine, including diagnostic codes and repair procedures.

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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