Audi Audi A6 2011-2018 4.2L Engine Engine Specifications
Audi Audi A6 2011-2018

Audi Audi A6 2011-2018 4.2L Engine Specifications

Detailed technical specifications and documentation for the 4.2L V8 FSI engine in the 2011-2018 Audi A6. Includes performance metrics, system schematics, and maintenance guidelines.

Updated

2011-2018 Audi A6 4.2L Engine Specifications Specifications

This document provides a comprehensive overview of the 4.2L-engine specifications for the 2011-2018 Audi A6. It includes detailed technical information, performance metrics, and maintenance guidelines. Use this guide to understand the capabilities and requirements of the engine, or to compare specifications for different model years. You can search for specific terms or navigate through the sections to find the information you need.

How to Use

To search for specific information, use the search bar at the top of the document. Type in keywords related to the specification you are looking for, such as 'horsepower', 'torque', or 'fuel capacity', and press enter to find relevant results.

To navigate through the document, use the table of contents on the left side. Click on the major sections to expand them, and then click on subsections to view detailed information. You can also use the 'Quick Reference' section for key specifications at a glance.

Key Specifications

Horsepower

350 HP @ 6,800 rpm

Torque

325 lb-ft @ 3,500 rpm

Displacement

4.2 liters (4,163 cc)

0-60 mph

5.5 seconds

Top Speed

155 mph (electronically limited)

Available Specifications

Engine Overview

This section provides a general overview of the 4.2L engine used in the 2011-2018 Audi A6. It includes information about the engine design, fuel system, and emissions standards. Use this section to understand the basic architecture and features of the engine.

Engine Design
  • 4.2L V8 engine with 90-degree cylinder banks
  • Cast aluminum alloy engine block and cylinder heads
  • Double overhead camshafts (DOHC) with variable valve timing
  • 32 valves (4 valves per cylinder)
  • Dry-sump lubrication system
Fuel System
  • Direct fuel injection (FSI) system
  • Fuel pressure: 150 bar
  • Fuel type: Premium unleaded gasoline (91 octane or higher)
  • Fuel tank capacity: 19.3 gallons (73 liters)
  • Fuel economy (city/highway/combined): 14/21/17 mpg
Emissions
  • Emissions standard: EU5
  • Catalytic converter with two primary and two secondary oxygen sensors
  • EGR (Exhaust Gas Recirculation) system
  • Reduced emissions compared to previous models
  • Meets or exceeds all applicable emissions regulations

Performance

This section provides detailed performance specifications for the 4.2L engine in the 2011-2018 Audi A6. It includes information about power output, torque, acceleration, and top speed. Use this section to understand the engine's capabilities and driving dynamics.

Power Output
  • Maximum horsepower: 350 HP @ 6,800 rpm
  • Maximum torque: 325 lb-ft @ 3,500 rpm
  • Power per liter: 83 HP/liter
  • Redline: 6,800 rpm
  • Peak power delivery across the rev range
Acceleration
  • 0-60 mph: 5.5 seconds
  • 0-100 mph: 13.5 seconds
  • Quarter mile: 14.1 seconds @ 98 mph
  • Standing start acceleration
  • Smooth power delivery for responsive driving
Top Speed
  • Electronic top speed limiter: 155 mph
  • Unlimited top speed: 173 mph
  • Speed governor in place for safety
  • Aerodynamic limitations at high speeds
  • Performance-oriented gearing

Technical Specifications

This section provides key technical specifications for the 4.2L engine in the 2011-2018 Audi A6. It includes information about displacement, cylinders, valves, and other critical engine components. Use this section to understand the engine's architecture and design.

Displacement
  • Total displacement: 4,163 cc (4.2 liters)
  • Bore: 84.5 mm
  • Stroke: 92.8 mm
  • Bore/stroke ratio: 0.91
  • Cylinder spacing: 90 mm
Cylinders
  • 8 cylinders in V configuration
  • Cylinder block material: High-strength aluminum
  • Cylinder head material: Aluminum alloy
  • Cylinder liners: Wet-type, cast iron
  • Piston material: Forged aluminum
Valves and Timing
  • 32 valves (4 per cylinder)
  • Variable intake and exhaust camshaft timing
  • Hydraulic valve lifters
  • Valve diameter: Intake 33.8 mm, Exhaust 28.8 mm
  • Valve spring design: Dual springs per valve
Compression and Drivetrain
  • Compression ratio: 12.5:1
  • Drivetrain: Quattro all-wheel drive
  • Transmission: 6-speed Tiptronic automatic
  • Axle ratio: 3.19:1
  • Limited-slip differential: Optional

Maintenance and Service

This section provides maintenance and service information for the 4.2L engine in the 2011-2018 Audi A6. It includes recommended service intervals, oil requirements, and other maintenance guidelines. Use this section to keep your engine in optimal condition.

Service Intervals
  • Oil change interval: Every 5,000 to 7,500 miles
  • Spark plug replacement: Every 30,000 miles
  • Belt replacement: Every 60,000 miles
  • Fluid flush intervals: Every 30,000 miles
  • Inspection intervals: Every 15,000 miles
Oil Requirements
  • Recommended oil: 5W-30 synthetic
  • Oil capacity: 6.5 quarts (6.1 liters)
  • Oil filter: Audi-specific or equivalent
  • Oil change cost: Approximately $100-$150
  • Oil quality: Meets or exceeds API SN standards
Cooling System
  • Coolant type: Audi-approved 50/50 mix
  • Coolant capacity: 4.5 gallons (17 liters)
  • Radiator material: Aluminum
  • Water pump: Belt-driven, replace every 60,000 miles
  • Thermostat: Opens at 180°F (82°C)
Common Issues
  • Oil leaks from valve cover gaskets
  • Carbon buildup on intake valves
  • PCV system clogging
  • Spark plug wear
  • Catalytic converter failure

Engine Specifications

Overview

Type
V8
Configuration
90-degree V8
Platform
Audi MLB (Modular Longitudinal Matrix)
Material
Aluminum alloy
Location
Front longitudinal

Dimensions

Displacement
4.2 liters (4229 cc)
Power
310 horsepower (228 kW) at 6800 rpm
Torque
325 lb-ft (440 Nm) at 3000-5000 rpm
Length
20.47 inches (520 mm)
Width
18.11 inches (460 mm)
Height
12.80 inches (325 mm)
Dry Weight
404 lbs (183 kg)

Materials

Engine Block
Aluminum alloy with cast iron sleeves
Cylinder Head
Aluminum alloy
Crankshaft
Forged steel
Connecting Rods
Forged steel
Valves
Stainless steel

Features

Fuel System
  • Direct fuel injection
  • Dual fuel injectors per cylinder
  • Variable fuel pressure control
Emissions
  • Catalytic converter with secondary air injection
  • Variable valve timing
  • EGR (Exhaust Gas Recirculation) system
Performance
  • Variable intake manifold
  • Dry-sump lubrication system
  • Dual-row timing chain
Cooling
  • Dual water pumps
  • Electric cooling fans
  • Coolant temperature-controlled thermostat

Safety Features

Engine Protection
  • Engine immobilizer
  • Overheat protection system
  • Oil level warning system
Sensors
  • Knock sensors
  • Crankshaft position sensor
  • Camshaft position sensor
Cooling System Protection
  • Coolant overflow protection
  • Radiator fan fail-safe operation

Comfort Features

Noise Reduction
  • Acoustic engine cover
  • Helical gear teeth
  • Balanced crankshaft
Smooth Operation
  • Hydraulic engine mounts
  • Dual-mass flywheel
  • Electronic throttle control
Convenience
  • Start/Stop technology
  • Automatic oil filler cap
  • Service interval indicator

Accessories

Maintenance Accessories
  • Oil drain pan
  • Socket set for service
  • Fuel injection cleaning kit
Performance Accessories
  • High-performance air filter
  • Engine tuning software
  • Lightweight pulley kit
Protection Accessories
  • Engine cover protection film
  • Rust-proofing coating
  • Heat shield wrap

Maintenance

Service interval
5,000 to 7,500 miles (8,000 to 12,000 km)
Service Items
  • Oil change with synthetic oil
  • Filter replacement (oil, air, fuel)
  • Tire pressure check
  • Brake fluid level check
  • Battery health test
Maintenance Notes
Follow Audi-recommended maintenance schedule for optimal performance and longevity.

Warranty

Basic Warranty
Miles: 50,000 miles
Years: 4 years
Coverage: Bumper-to-bumper
Powertrain Warranty
Miles: 70,000 miles
Years: 5 years
Coverage: Engine, transmission, and drivetrain
Corrosion Perforation Warranty
Miles: Unlimited miles
Years: 12 years
Coverage: Body panels and sheet metal
Roadside Assistance
Miles: Unlimited miles
Years: 4 years
Coverage: 24/7 emergency services

Production Details

Manufacturer
Audi AG
Manufacturing Process
  • Cylinder block machining
  • Cylinder head casting
  • Crankshaft forging
  • Engine assembly
Quality Control
inspection: End-of-line testing
Certification: ISO/TS 16949
Warranty Period: 4 years/50,000 miles
Sustainability Practices
  • Recyclable materials
  • Low-emission production
  • Energy-efficient manufacturing
Production Metrics
Production Year: 2011-2018
Units Produced: Over 100,000 units
Assembly Time: Approx. 20 hours per engine

Service Information for 4.2l engine Service

Maintenance and service requirements specific to this component

5,000 miles
6 months
  • Oil and filter change
  • Tire pressure check and adjustment
  • Brake pad inspection
  • Fluid level check (coolant, windshield, transmission)
  • Battery terminals inspection

Standard maintenance interval. Check for any software updates.

15,000 miles
12 months
  • Air filter replacement
  • Spark plug inspection
  • Drive belt inspection
  • Suspension and steering system check
  • Exhaust system inspection

Intermediate service. Inspect belts for cracks or wear.

30,000 miles
24 months
  • Spark plug replacement
  • Fuel filter replacement
  • Cabin air filter replacement
  • Brake fluid replacement
  • Coolant system flush and refill

Major service. Ensure all fluids are Audi-approved specifications.

60,000 miles
48 months
  • Drive belt replacement
  • Water pump replacement
  • PCV valve replacement
  • Engine mount inspection
  • Suspension component replacement if needed

Critical service interval. Replace timing belt if equipped.

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 2011-2018 Audi A6?

The 4.2L V8 FSI engine in the 2011-2018 Audi A6 produces 350 horsepower at 6,800 rpm and 325 lb-ft of torque at 3,500 rpm. This engine is designed for high performance and smooth power delivery.

Q2

What type of fuel system does the 4.2L engine use?

The 4.2L engine utilizes a direct fuel injection system, known as FSI (Fuel Stratified Injection). This system optimizes fuel delivery for improved efficiency and performance, with a fuel pressure of up to 1450 psi (100 bar).

Q3

What is the recommended oil type and capacity for the 4.2L engine?

Audi recommends using VW 502 00 or VW 504 00 compliant synthetic oil with a viscosity of 5W-40 or 5W-30. The oil capacity is approximately 9.3 liters (9.8 quarts), including the oil filter.

Q4

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

The timing chain on the 4.2L engine is designed to last the lifetime of the engine under normal operating conditions. However, regular inspections are recommended every 60,000 miles to ensure proper tension and alignment.

Q5

What is the compression ratio of the 4.2L engine?

The 4.2L V8 engine has a compression ratio of 12.5:1, which contributes to its high efficiency and power output.

Q6

What type of cooling system does the 4.2L engine use?

The 4.2L engine features a liquid-cooled system with a dual-circuit cooling design. The coolant capacity is approximately 12 liters (12.7 quarts), and Audi recommends using G12++ or G13 coolant.

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 performance metrics, dimensions, and system details.

Audi A6 Service and Maintenance Guide

Coming Soon

Comprehensive guide for servicing and maintaining the 2011-2018 Audi A6, including the 4.2L engine.

FSI Fuel System Overview

Coming Soon

An in-depth explanation of the FSI fuel injection system used in the 4.2L engine, including operation and maintenance tips.

Audi Genuine Parts Catalog

Coming Soon

Official catalog for Audi genuine parts, including components for the 4.2L engine.

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Technical Information
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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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