Audi Audi A6 1997-2004 2.7L Engine Specifications
Detailed technical specifications and service information for the 2.7L V6 biturbo engine in the 1997-2004 Audi A6. Includes performance metrics, maintenance guidelines, and component-specific details.
Overview Specifications
This document provides detailed specifications and technical information for the 2.7L-engine found in the 1997-2004 Audi A6. It is designed to help users understand the engine's capabilities, maintenance requirements, and performance characteristics. Use the sections below to navigate through the document and find specific information. The quick reference section at the end provides key specifications for easy access.
How to Use
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Key Specifications
Horsepower
250 HP @ 5,800 rpm
Torque
258 lb-ft @ 1,800-4,600 rpm
Displacement
2.7 liters (2671 cc)
Fuel Capacity
16.6 gallons
Emissions Standard
Euro 3
Available Specifications
Engine Overview
This section provides a general overview of the 2.7L-engine, including its design, fuel system, and key features. It is a twin-turbocharged V6 engine known for its balance of power and efficiency.
Engine Overview
This section provides a general overview of the 2.7L-engine, including its design, fuel system, and key features. It is a twin-turbocharged V6 engine known for its balance of power and efficiency.
Engine Type and Fuel System
- 2.7L V6 twin-turbocharged engine
- Fuel-injected system with Bosch Motronic ME7.1 engine management
- Dual overhead camshafts with 4 valves per cylinder
- Aluminum alloy engine block and cylinder heads
- Intercooled twin-turbochargers for reduced lag and increased power
Displacement and Cylinders
- Displacement: 2.7 liters (2671 cc)
- Cylinder configuration: V6
- Bore x stroke: 81 mm x 86.4 mm
- Compression ratio: 9.0:1
- Redline: 6,500 rpm
Valves and Cooling System
- 24 valves (4 per cylinder)
- Variable valve timing on intake and exhaust
- Water-cooled engine with twin radiators
- Engine oil cooler integrated into the cooling system
- Thermostat-controlled cooling for optimal temperature management
Performance Specifications
This section outlines the performance capabilities of the 2.7L-engine, including power output, torque, and acceleration times. It also covers drivetrain and transmission options.
Performance Specifications
This section outlines the performance capabilities of the 2.7L-engine, including power output, torque, and acceleration times. It also covers drivetrain and transmission options.
Horsepower and Torque
- Peak horsepower: 250 HP @ 5,800 rpm
- Peak torque: 258 lb-ft @ 1,800-4,600 rpm
- Torque-to-weight ratio optimized for mid-range pull
- Engine redline: 6,500 rpm
- Power delivery: Smooth and linear across the rev range
Acceleration and Top Speed
- 0-60 mph: Approximately 6.7 seconds
- 1/4 mile: 15.2 seconds @ 93 mph
- Top speed: Electronically limited to 155 mph
- Rolling acceleration (50-70 mph): 4.5 seconds
- Optimized gearing for both city and highway driving
Transmission and Drivetrain
- Available transmissions: 5-speed manual or 5-speed automatic
- Quattro all-wheel-drive system standard
- Torque distribution: 50:50 front-to-rear under normal conditions
- Dynamic torque transfer during cornering or wheel slip
- Optional sport differential for improved handling
Technical Details
This section provides in-depth technical specifications, including engine dimensions, oil requirements, and emissions data. It is useful for maintenance and repair purposes.
Technical Details
This section provides in-depth technical specifications, including engine dimensions, oil requirements, and emissions data. It is useful for maintenance and repair purposes.
Engine Dimensions and Weight
- Length: 444 mm (17.5 in)
- Width: 400 mm (15.7 in)
- Height: 600 mm (23.6 in)
- Dry weight: Approximately 180 kg (397 lbs)
- Mounted longitudinally for better weight distribution
Oil and Fluids
- Oil capacity: 6 liters (6.3 quarts)
- Recommended oil viscosity: 5W-40 synthetic
- Oil change interval: Every 5,000-7,500 miles
- Coolant capacity: 8 liters (8.5 quarts)
- Brake fluid: DOT 4 spec
Emissions and Compliance
- Emissions standard: Euro 3 compliant
- Catalytic converter: Dual-flow with oxygen sensors
- EGR system: Coolant-cooled exhaust gas recirculation
- Fuel evaporative system: Carbon canister with purge valve
- OBD-II compliant for diagnostics
Maintenance Requirements
This section outlines the recommended maintenance schedule and procedures for the 2.7L-engine. Regular maintenance is essential to ensure optimal performance and longevity.
Maintenance Requirements
This section outlines the recommended maintenance schedule and procedures for the 2.7L-engine. Regular maintenance is essential to ensure optimal performance and longevity.
Oil and Filter
- Oil change interval: Every 5,000-7,500 miles
- Oil filter replacement: Every oil change
- Recommended oil: 5W-40 synthetic
- Oil drain plug torque: 30 Nm (22 ft-lb)
- Oil filter wrench size: 3-1/8 inches
Spark Plugs
- Spark plug type: Platinum-tipped (e.g., NGK BKR6E)
- Spark plug gap: 0.028-0.032 in (0.7-0.8 mm)
- Replacement interval: Every 30,000-50,000 miles
- Torque specification: 15 Nm (11 ft-lb)
- Spark plug well cleaning recommended before installation
Belt and Hoses
- Serpline belt replacement: Every 50,000 miles
- Accessories belt replacement: Every 50,000 miles
- Hose inspection: Every 15,000 miles
- Coolant hoses: Replace at first signs of cracking
- Belts should be replaced if cracks exceed 1 per inch
Emissions and Fuel Efficiency
This section covers emissions standards, fuel efficiency, and related systems for the 2.7L-engine. It is useful for understanding the environmental impact and operating costs of the vehicle.
Emissions and Fuel Efficiency
This section covers emissions standards, fuel efficiency, and related systems for the 2.7L-engine. It is useful for understanding the environmental impact and operating costs of the vehicle.
Fuel Efficiency
- City: 17 mpg (US)
- Highway: 24 mpg (US)
- Combined: 20 mpg (US)
- Fuel tank capacity: 16.6 gallons
- Recommended fuel: Premium unleaded (91 octane)
- Optimal cruising speed for fuel efficiency: 60-80 mph
Emissions Control Systems
- Catalytic converter: Dual-flow with oxygen sensors
- EGR system: Coolant-cooled exhaust gas recirculation
- Fuel evaporative system: Carbon canister with purge valve
- OBD-II compliant for diagnostics
- Euro 3 emissions standard compliance
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 90-degree V6
- Fuel Type
- Gasoline
- Platform
- Audi C4/C5
- Assembly Location
- Ingolstadt, Germany
Dimensions
- Length
- 433 mm (17.0 in)
- Width
- 430 mm (16.9 in)
- Height
- 720 mm (28.3 in)
- Weight
- 180 kg (397 lbs)
- Displacement
- 2.7 liters (2671 cc)
- Cylinder Bore
- 81 mm (3.19 in)
- Stroke
- 86.4 mm (3.40 in)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Crankshaft
- Forged steel
- Camshaft
- Steel
- Valves
- Stainless steel
Features
- Engine Management
-
- Bosch Motronic ME 7.1 ECU
- Electronic throttle control
- Knock sensor system
- Exhaust gas recirculation (EGR)
- Secondary air injection
- Fuel System
-
- Multi-point fuel injection
- Returnless fuel system
- Fuel pressure regulator
- In-tank fuel pump
- Cooling System
-
- Water-cooled engine
- Electric cooling fan
- Thermostat-controlled coolant circulation
- Aluminum radiator
- Exhaust System
-
- Dual exhaust system
- Catalytic converter
- Oxygen sensor
- Exhaust gas temperature sensor
- Engine Control
-
- Variable valve timing (VVT)
- Chain-driven camshafts
- Hydraulic valve lifters
- Balance shafts
Safety Features
- Passive Safety
-
- Engine immobilizer
- Anti-theft system
- Crumple zones
- Fuel cut-off in case of collision
- Active Safety
-
- Electronic stability program (ESP)
- Anti-lock braking system (ABS)
- Traction control system (ASR)
- Automatic hazard light activation
- Emissions Control
-
- Catalytic converter
- EGR system
- Secondary air injection
- OBD-II compliance
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Sound-insulating engine mounts
- Dual-mass flywheel
- Helical gear set
- Engine Refinement
-
- Balance shafts
- Hydraulic engine mounts
- Variable valve timing
- Electronic throttle control
- Convenience Technologies
-
- Cruise control
- Automatic climate control
- Heated seats
- Remote central locking
Accessories
- Engine Accessories
-
- Alternator (120A)
- Starter motor (1.4 kW)
- Water pump
- Power steering pump
- Fuel System Accessories
-
- Fuel filter
- Fuel pressure regulator
- Fuel injectors
- Fuel tank sender unit
- Cooling System Accessories
-
- Radiator
- Coolant reservoir
- Thermostat
- Coolant hoses
Maintenance
- Service interval
- Every 15,000 km (9,300 miles) or 12 months
- Service Items
-
- Oil change (5W-40 synthetic)
- Oil filter replacement
- Air filter inspection
- Spark plug replacement (every 30,000 miles)
- Belt inspection
- Tire pressure check
- Notes
- Check coolant level, brake fluid level, and power steering fluid level.
Warranty
- Basic Warranty
- Miles: 48,000 milesYears: 4 yearsCoverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 70,000 milesYears: 5 yearsCoverage: Engine, transmission, drivetrain
- Corrosion Warranty
- Miles: Unlimited milesYears: 12 yearsCoverage: Perforation of body panels
- Maintenance Warranty
- Miles: 25,000 milesYears: 2 yearsCoverage: Scheduled maintenance
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: End-of-line testingCertification: ISO 9001Standards: EPA and EU emissions compliance
- Sustainability Practices
-
- Recyclable materials
- Low-emission production
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Production Years: 1997-2004Units Produced: Over 100,000 unitsProduction Plant: Ingolstadt, Germany
Service Information for 2.7l engine Service
Maintenance and service requirements specific to this component
- Oil change (5W-40 synthetic)
- Oil filter replacement
- Air filter inspection
- Tire pressure check
- Brake pad inspection
- Belts and hoses inspection
Check coolant level, brake fluid level, and power steering fluid level.
- Spark plug replacement
- Fuel filter replacement
- Cabin air filter replacement
- Wiper blades inspection
- Battery test
- Suspension inspection
Check condition of belts and hoses.
- Timing belt replacement
- Water pump replacement
- Drive belts inspection
- Exhaust system inspection
- Steering system inspection
- Suspension bushings inspection
Critical to replace timing belt and water pump at this interval to prevent engine damage.
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 2.7L engine in the 1997-2004 Audi A6?
What is the horsepower and torque output of the 2.7L engine in the 1997-2004 Audi A6?
The 2.7L V6 twin-turbocharged engine in the 1997-2004 Audi A6 produces 250 horsepower at 5800 RPM and 258 lb-ft of torque between 1850-3600 RPM. This engine is known for its balanced performance and smooth power delivery.
Q2 What type of oil and oil capacity is recommended for the 2.7L engine?
What type of oil and oil capacity is recommended for the 2.7L engine?
Audi recommends using fully synthetic 5W-40 engine oil for the 2.7L engine. The oil capacity is approximately 6.3 liters (6.7 quarts) with a filter change. Always refer to the owner's manual for the exact specifications and ensure the oil meets VW 502 00 or 505 00 standards.
Q3 What is the recommended service interval for the timing belt on the 2.7L engine?
What is the recommended service interval for the timing belt on the 2.7L engine?
The timing belt on the 2.7L engine should be replaced every 75,000 miles or 5 years, whichever comes first. Failure to replace the timing belt on time can lead to catastrophic engine damage due to interference design.
Q4 What is the compression ratio of the 2.7L engine?
What is the compression ratio of the 2.7L engine?
The 2.7L V6 engine has a compression ratio of 9.3:1. This ratio is optimized for the twin-turbocharged setup, ensuring efficient combustion and performance.
Q5 What are common issues to watch for with the 2.7L engine?
What are common issues to watch for with the 2.7L engine?
Common issues include turbocharger failure, oil sludge buildup due to inadequate maintenance, and vacuum leaks in the intake system. Regular maintenance, including timely oil changes and using high-quality synthetic oil, can mitigate these problems.
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 2.7L Engine Maintenance Guide
Coming SoonA detailed guide covering routine maintenance procedures, including oil changes, timing belt replacement, and turbocharger care.
Turbocharger Troubleshooting for 2.7L Engine
Coming SoonLearn how to diagnose and address common turbocharger issues specific to the 2.7L engine, including boost leaks and wastegate problems.
Timing Belt Replacement Procedure
Coming SoonStep-by-step instructions for replacing the timing belt on the 2.7L engine, including tools required and safety precautions.
Oil Sludge Prevention Tips
Coming SoonBest practices for preventing oil sludge buildup in the 2.7L engine, including recommended oil types and change intervals.
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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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