Audi Audi Q7 2005-2015 4.2L Engine Specifications
Detailed technical specifications and documentation for the 4.2L V8 engine in the 2005-2015 Audi Q7. Includes performance metrics, system details, and maintenance guidelines.
4.2L Engine Specifications Overview Specifications
This document provides detailed specifications and technical information for the 4.2L engine found in the 2005-2015 Audi Q7. It is designed to serve as a reference guide for engineers, technicians, and enthusiasts. Use the search functionality to quickly find specific details, and navigate through the sections to explore related information. The document is organized into major sections, each focusing on a specific aspect of the engine, with subsections providing detailed technical points.
How to Use
To search for specific information, use the search bar at the top of the document. Type in keywords such as 'horsepower,' 'torque,' or 'fuel efficiency' to find relevant details quickly.
Navigate through the document by selecting sections from the table of contents. Each section is divided into subsections with detailed technical points. Use the arrows or scroll to move between sections and expand subsections for more information.
Key Specifications
Displacement
4.2 liters (4172 cc)
Horsepower
350 HP @ 6,800 rpm
Torque
325 lb-ft @ 3,200 rpm
Transmission
6-speed automatic
Fuel Capacity
26.4 gallons
Available Specifications
Engine Overview
This section provides a general overview of the 4.2L engine, including its type, configuration, and key features. It serves as an introduction to the engine's design and capabilities.
Engine Overview
This section provides a general overview of the 4.2L engine, including its type, configuration, and key features. It serves as an introduction to the engine's design and capabilities.
Engine Type and Configuration
- 4.2L V8 engine
- DOHC (Dual Overhead Camshaft) design
- 32 valves
- 90-degree V-angle
- Aluminum alloy block and cylinder heads
Displacement and Bore/Stroke
- Displacement: 4.2 liters (4172 cc)
- Bore: 84.5 mm
- Stroke: 93 mm
- Compression ratio: 11.0:1
Performance
This section details the performance specifications of the 4.2L engine, including horsepower, torque, and acceleration. It also covers the transmission and drivetrain configurations.
Performance
This section details the performance specifications of the 4.2L engine, including horsepower, torque, and acceleration. It also covers the transmission and drivetrain configurations.
Power and Torque
- Horsepower: 350 HP @ 6,800 rpm
- Torque: 325 lb-ft @ 3,200 rpm
- Redline: 6,800 rpm
- Maximum engine speed: 6,800 rpm
Transmission and Drivetrain
- 6-speed automatic transmission
- Quattro all-wheel drive system
- Tiptronic manual shift mode
- Dynamic shift program (DSP)
Fuel Efficiency
This section provides information on the fuel efficiency and consumption rates of the 4.2L engine. It includes EPA ratings and estimated mileage.
Fuel Efficiency
This section provides information on the fuel efficiency and consumption rates of the 4.2L engine. It includes EPA ratings and estimated mileage.
Fuel Economy Ratings
- City: 12 mpg
- Highway: 18 mpg
- Combined: 14 mpg
- Fuel tank capacity: 26.4 gallons
Dimensions and Weight
This section includes the physical dimensions and weight specifications of the engine and vehicle.
Dimensions and Weight
This section includes the physical dimensions and weight specifications of the engine and vehicle.
Engine Dimensions
- Length: 24.8 inches
- Width: 26.0 inches
- Height: 25.6 inches
- Weight: Approximately 485 lbs
Vehicle Curb Weight
- Base curb weight: 5,103 lbs
- Gross vehicle weight rating (GVWR): 6,170 lbs
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Engine Specifications
Overview
- Type
- V8
- Configuration
- Naturally Aspirated
- Fuel Type
- Premium Unleaded
- Platform
- MLB (Modular Longitudinal Matrix)
- Material
- Aluminum Alloy Block and Heads
- Location
- Longitudinal
Dimensions
- Displacement
- 4.2 liters (256.0 cubic inches)
- Power
- 350 horsepower @ 6,800 rpm
- Torque
- 325 lb-ft @ 3,200 rpm
- Engine Weight
- Approx. 460 lbs (208.8 kg)
- Length
- 25.0 inches (635 mm)
- Width
- 28.5 inches (723 mm)
- Height
- 24.5 inches (622 mm)
- Engine Oil Capacity
- 6.5 quarts (6.1 liters)
Materials
- Engine Block
- Aluminum Alloy
- Cylinder Heads
- Aluminum Alloy
- Crankshaft
- Forged Steel
- Connecting Rods
- Forged Aluminum
- Valves
- Stainless Steel
Features
- Engine Management
-
- Direct Fuel Injection
- Variable Valve Timing
- Knock Sensor System
- Electronic Throttle Control
- Cooling System
-
- Dual-Zone Climate Control
- Electric Cooling Fans
- Aluminum Radiator
- Dual-Temperature Thermostats
- Performance
-
- Dynamic V8 Sound
- Sport-Tuned Engine Mapping
- High-Flow Intake System
- Low-Restriction Exhaust
- Emissions
-
- Catalytic Converter
- Secondary Air Injection
- EGR System
- Evaporative Emissions Control
- Fuel System
-
- Returnless Fuel Injection
- Fuel Pressure Sensor
- High-Capacity Fuel Pump
- Fuel Rail
Safety Features
- Engine Protection
-
- Engine Immobilizer
- Crumple Zones
- Fuel Shut-Off in Case of Collision
- Emissions Control
-
- Catalytic Converter Monitoring
- Oxygen Sensor
- Fuel System Monitoring
Comfort Features
- Noise Reduction
-
- Acoustic Engine Cover
- Sound-Deadening Materials
- Active Noise Cancellation
- Climate Control
-
- Automatic Climate Control
- Rear Climate Zones
- Air Quality Sensor
- Convenience
-
- Remote Start
- Stop/Start Technology
- Heated Engine Block
Accessories
- Engine Accessories
-
- Engine Cover Kit
- Performance Air Filter
- Carbon Fiber Engine Trim
- Maintenance Accessories
-
- Oil Change Kit
- Fuel Injector Cleaner
- Spark Plug Set
- Performance Accessories
-
- High-Performance Exhaust
- Engine Tune
- Cold Air Intake
Maintenance
- Service interval
- Every 5,000 to 7,500 miles
- Service Items
-
- Oil and Filter Change
- Tire Pressure Check
- Brake Fluid Level Check
- Battery Test
- Air Filter Inspection
- Belts and Hoses Inspection
- Maintenance Notes
- Follow Audi-recommended maintenance schedule for optimal performance and longevity.
Warranty
- Basic Warranty
- Coverage: 4 years / 50,000 milesDescription: Comprehensive coverage for repairs due to defects in materials or workmanship.
- Powertrain Warranty
- Coverage: 4 years / 50,000 milesDescription: Covers engine, transmission, and drivetrain components.
- Emissions Warranty
- Coverage: 8 years / 80,000 milesDescription: Covers emissions-related components.
- Corrosion Warranty
- Coverage: 12 years / Unlimited milesDescription: Covers perforation due to corrosion.
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- Cylinder Block Machining
- Cylinder Head Assembly
- Crankshaft Forging
- Engine Block Assembly
- Testing and Calibration
- Quality Control
- inspection: Multi-stage quality checksTesting: Performance and durability testingCertification: Audi factory certification
- Sustainability Practices
-
- Recyclable Materials
- Low-Emission Manufacturing
- Energy-Efficient Processes
- Production Metrics
- Annual Production: Approx. 50,000 unitsManufacturing Facility: Ingolstadt, GermanyProduction Years: 2005-2015
Service Information for 4.2l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Tire pressure check and adjustment
- Brake fluid level inspection
- Battery health test
- Air filter inspection
- Belts and hoses visual inspection
Standard maintenance interval. Check for any software updates during this service.
- Spark plug replacement
- Fuel injector cleaning
- Cabin air filter replacement
- Engine air filter replacement
- Suspension and steering system inspection
- Exhaust system inspection
Intermediate service. Inspect and replace components as needed.
- Timing belt inspection
- Drive belts replacement
- Transmission fluid change
- Coolant flush and replacement
- Brake pads inspection
- Rotor resurfacing or replacement
Major service interval. Ensure all critical systems are inspected and serviced.
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 2005-2015 Audi Q7?
What is the horsepower and torque output of the 4.2L V8 engine in the 2005-2015 Audi Q7?
The 4.2L V8 engine in the 2005-2015 Audi Q7 produces 350 horsepower at 6,800 rpm and 325 lb-ft of torque at 3,500 rpm. This engine is designed for optimal performance and efficiency in the Q7 platform.
Q2 What type of fuel system does the 4.2L engine use?
What type of fuel system does the 4.2L engine use?
The 4.2L V8 engine utilizes a direct fuel injection (FSI) system, which ensures precise fuel delivery for improved combustion efficiency, power output, and reduced emissions.
Q3 What is the recommended oil type and capacity for the 4.2L engine?
What is the recommended oil type and capacity for the 4.2L engine?
Audi recommends using synthetic engine oil with a viscosity of 5W-40 that meets VW 502 00 specifications. The oil capacity is approximately 8.5 liters (9 quarts) including the oil filter.
Q4 What is the service interval for the timing belt on the 4.2L engine?
What is the service interval for the timing belt on the 4.2L engine?
The 4.2L V8 engine uses a timing chain, not a belt, which is designed to last the lifetime of the engine under normal operating conditions. However, regular inspections are recommended to ensure proper tension and condition.
Q5 What is the compression ratio of the 4.2L engine?
What is the compression ratio of the 4.2L engine?
The compression ratio of the 4.2L V8 engine is 12.5:1, which contributes to its high performance and efficiency.
Q6 What type of cooling system does the 4.2L engine use?
What type of cooling system does the 4.2L engine use?
The 4.2L engine features a liquid-cooled system with a high-capacity radiator, electric cooling fans, and a thermostat to maintain optimal operating temperatures under various driving conditions.
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 Maintenance Guide
Coming SoonA detailed guide covering routine maintenance procedures, including oil changes, spark plug replacement, and cooling system checks.
Audi Q7 4.2L V8 Technical Specifications
Coming SoonComprehensive technical specifications for the 4.2L V8 engine, including dimensions, weight, and performance metrics.
Audi Genuine Parts Catalog for 4.2L Engine
Coming SoonAccess the official Audi parts catalog to find genuine components for the 4.2L V8 engine, ensuring compatibility and reliability.
Audi Q7 4.2L V8 Service Manual
Coming SoonThe official service manual for the 4.2L V8 engine, providing step-by-step instructions for repairs and diagnostics.
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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.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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