Audi Audi A4 2009-2016 1.8L Engine Specifications
Explore detailed technical specifications and documentation for the 1.8L TFSI engine in the 2009-2016 Audi A4. Includes performance metrics, turbocharging details, fuel injection system, and maintenance guidelines.
2009-2016 Audi A4 1.8L Engine Specifications Specifications
This document provides detailed specifications and technical information for the 1.8L engine found in the 2009-2016 Audi A4 models. It is designed to serve as a comprehensive reference guide for engineers, technicians, and enthusiasts. Use the search functionality to quickly locate specific details, and navigate through the sections to explore engine performance, mechanical features, fuel system, emissions, and maintenance requirements.
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Key Specifications
Engine Type
1.8L Turbocharged Inline-4
Power
170 horsepower
Torque
184 lb-ft
Fuel Economy (city/highway)
22/32 MPG
Displacement
1,798 cc
Available Specifications
Engine Overview
This section provides an overview of the 1.8L engine, including its type, configuration, and key features. It serves as a foundational understanding of the engine's design and capabilities.
Engine Overview
This section provides an overview of the 1.8L engine, including its type, configuration, and key features. It serves as a foundational understanding of the engine's design and capabilities.
Key Specifications
- Engine Type: 1.8L Turbocharged Inline-4
- Displacement: 1,798 cc
- Cylinder Block Material: Aluminum
- Valvetrain: DOHC with 16 valves
- Fuel Injection: Direct Fuel Injection
Engine Design
- Turbocharger with intercooler
- Variable Valve Timing (VVT)
- Weight-optimized engine block
- Compact engine layout for better handling
Performance
This section details the performance capabilities of the 1.8L engine, including power output, torque, and acceleration. It also covers fuel efficiency and driving dynamics.
Performance
This section details the performance capabilities of the 1.8L engine, including power output, torque, and acceleration. It also covers fuel efficiency and driving dynamics.
Power and Torque
- Maximum Power: 170 horsepower @ 4,800-6,200 rpm
- Maximum Torque: 184 lb-ft @ 1,500-4,800 rpm
- Redline: 6,500 rpm
- 0-60 mph: Approximately 7.5 seconds
Fuel Efficiency
- EPA Estimated MPG: 22 city / 32 highway
- Fuel Type: Premium Unleaded (91 octane recommended)
- Fuel Tank Capacity: 16.6 gallons
Mechanical Features
This section covers the mechanical aspects of the 1.8L engine, including drivetrain, transmission, and cooling system details. It provides insights into the engine's mechanical components and their functionality.
Mechanical Features
This section covers the mechanical aspects of the 1.8L engine, including drivetrain, transmission, and cooling system details. It provides insights into the engine's mechanical components and their functionality.
Drivetrain and Transmission
- Drivetrain: Front-Wheel Drive (FWD)
- Transmission: 6-speed Automatic (Multitronic CVT)
- Optional: Quattro All-Wheel Drive with manual transmission
- Final Drive Ratio: 3.65:1 (automatic), 3.89:1 (manual)
Cooling and Lubrication
- Cooling System: Water-cooled with electric fan
- Engine Oil Capacity: 4.5 quarts (4.2 liters)
- Recommended Oil: 5W-40 synthetic oil
- Oil Change Interval: Every 5,000-7,500 miles
Fuel System and Emissions
This section details the fuel system components and emissions specifications of the 1.8L engine. It provides information on fuel delivery, emissions control, and environmental impact.
Fuel System and Emissions
This section details the fuel system components and emissions specifications of the 1.8L engine. It provides information on fuel delivery, emissions control, and environmental impact.
Fuel System
- Fuel Injection Type: Direct Fuel Injection (TFSI)
- Fuel Pressure: Up to 2,000 psi
- Fuel Rail: Common rail system
- Fuel Pump: Electric in-tank fuel pump
Emissions and Environment
- Emissions Standard: Euro 5
- Catalytic Converter: Dual catalysts with oxygen sensors
- Emissions Control: Exhaust Gas Recirculation (EGR)
- CO2 Emissions: Approximately 154 g/km (combined)
Maintenance and Service
This section provides maintenance schedules and service recommendations for the 1.8L engine. It includes details on routine checks, fluid changes, and replacement intervals.
Maintenance and Service
This section provides maintenance schedules and service recommendations for the 1.8L engine. It includes details on routine checks, fluid changes, and replacement intervals.
Service Intervals
- Oil Change: Every 5,000-7,500 miles
- Spark Plugs: Replace every 30,000 miles
- Air Filter: Replace every 15,000 miles
- Timing Belt: No timing belt (chain-driven engine)
- Brake Fluid: Replace every 2 years or 24,000 miles
Additional Checks
- Tire Pressure: Check monthly and before long trips
- Battery: Test every 6 months or 6,000 miles
- Coolant: Check level monthly, change every 5 years
- Drive Belts: Inspect every 12,000 miles, replace as needed
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Engine Specifications
Overview
- Type
- Turbocharged Inline-4
- Configuration
- Inline-4
- Displacement
- 1.8 liters (1,798 cc)
- Power
- 170 horsepower @ 4,800 rpm
- Torque
- 207 lb-ft @ 1,600-4,800 rpm
- Fuel Type
- Gasoline Direct Injection
Dimensions
- Engine Length
- 20.16 inches (512 mm)
- Engine Width
- 17.64 inches (448 mm)
- Engine Height
- 24.41 inches (620 mm)
- Dry Weight
- 340 lbs (154 kg)
- Block Length
- 14.17 inches (360 mm)
- Cylinder Bore
- 3.26 inches (82.5 mm)
Materials
- Engine Block
- Cast Iron
- Cylinder Head
- Aluminum Alloy
- Crankshaft
- Forged Steel
- Connecting Rods
- Forged Aluminum Alloy
- Valves
- Stainless Steel
Features
- Engine Management
-
- Continuously Variable Valve Timing
- Electronic Throttle Control
- Knock Sensor System
- Exhaust Gas Recirculation (EGR)
- Secondary Air Injection (SAI)
- Fuel System
-
- Direct Fuel Injection
- High-Pressure Fuel Pump
- Fuel Injector Cleaning
- Fuel Trim System
- Cooling System
-
- Electric Cooling Fan
- Dual-Zone Automatic Climate Control
- Coolant Temperature Sensor
- Low-Pressure Coolant Pump
- Emissions Control
-
- Three-Way Catalytic Converter
- Heated Oxygen Sensors
- EGR System with Cooler
- Fuel Evaporative Emission Control
- Performance Enhancements
-
- Turbocharger with Intercooler
- Dynamic Boost Pressure
- Engine Sound Enhancement
- Sport Mode Activation
Safety Features
- Engine Protection
-
- Automated Engine Shutdown
- Crankshaft Position Sensor
- Camshaft Position Sensor
- Oil Pressure Monitoring
- Emissions Control
-
- Catalytic Converter Monitoring
- EGR System Monitoring
- Fuel System Monitoring
- Overheat Protection
- Engine Coolant Overheat Protection System
- Fuel System Protection
- Fuel Leak Detection System
Comfort Features
- Noise Reduction
-
- Acoustic Engine Cover
- Sound Insulation
- Active Noise Cancellation
- Vibration Dampening
-
- Hydraulic Engine Mounts
- Balance Shaft
- Dual-Mass Flywheel
- Smooth Operation
-
- Variable Displacement Oil Pump
- Low-Friction Coatings
- Silent Timing Chain
- Convenience Technologies
-
- Start/Stop Technology
- Coasting Function
- Efficiency Mode
Accessories
- Engine Accessories
-
- Engine Cover
- Coolant Hose Kit
- Oil Filter Housing
- PCV Valve
- Cooling Accessories
-
- Radiator
- Coolant Reservoir
- Water Pump
- Thermostat
- Performance Accessories
-
- Air Filter Upgrade
- Performance Spark Plugs
- Engine Tuning Software
- Lightweight Pulley Kit
Maintenance
- Service interval
- 5,000 to 7,500 miles (8,000 to 12,000 km)
- Service Items
-
- Oil Change
- Filter Replacement
- Tire Rotation
- Brake Inspection
- Battery Test
- Belts and Hoses Inspection
- Maintenance Notes
- Follow Audi-recommended maintenance schedule for optimal performance and longevity.
Warranty
- Basic Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Bumper-to-Bumper
- Powertrain Warranty
- Miles: 70,000 milesYears: 5 yearsCoverage: Powertrain Components
- Corrosion Warranty
- Miles: Unlimited milesYears: 12 yearsCoverage: Perforation
- Maintenance Warranty
- Miles: First 5,000 milesYears: 1 yearCoverage: Maintenance Services
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- CNC Machining
- Laser Welding
- Robot Assembly
- Quality Control Inspection
- Quality Control
- Testing: Performance Bench Testing, Emissions Testing, Durability Testing, Noise TestingCertifications: ISO 9001, IATF 16949, EU Emissions Standards
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Manufacturing
- Reduced Emissions Production
- Waste Reduction Programs
- Production Metrics
- Annual Production: Over 150,000 unitsManufacturing Locations: Ingolstadt, Germany, Hungary, China
Service Information for 1.8l engine Service
Maintenance and service requirements specific to this component
- Oil and Filter Change
- Tire Pressure Check
- Brake Pad Inspection
- Battery Test
- Wiper Blade Replacement
Essential maintenance for consistent performance.
- Spark Plug Replacement
- Air Filter Replacement
- Cabin Air Filter Replacement
- Belts and Hoses Inspection
- Fluid Level Check
Intermediate service with component inspections.
- Timing Belt Inspection
- Water Pump Inspection
- Drive Belt Replacement
- Exhaust System Inspection
- Suspension System Check
Major service requiring specialized tools and attention.
- Fuel Injector Cleaning
- Mass Airflow Sensor Cleaning
- Crankcase Breather Cleaning
- Exhaust Gas Recirculation System Cleaning
- Turbocharger Inspection
Advanced service for high-mileage performance maintenance.
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 1.8l TFSI engine in the 2009-2016 Audi A4?
What is the horsepower and torque output of the 1.8l TFSI engine in the 2009-2016 Audi A4?
The 1.8l TFSI engine in the 2009-2016 Audi A4 produces 170 horsepower at 3,800-6,200 RPM and 236 lb-ft of torque at 1,500-4,800 RPM. These figures may vary slightly depending on the specific model year and trim.
Q2 What type of fuel is recommended for the 1.8l TFSI engine?
What type of fuel is recommended for the 1.8l TFSI engine?
Audi recommends using premium unleaded gasoline with an octane rating of 91 or higher for optimal performance and efficiency in the 1.8l TFSI engine. Using lower-octane fuel may result in reduced performance and increased engine wear.
Q3 What is the oil capacity and recommended oil type for the 1.8l TFSI engine?
What is the oil capacity and recommended oil type for the 1.8l TFSI engine?
The 1.8l TFSI engine has an oil capacity of approximately 4.6 liters (4.9 quarts). Audi recommends using synthetic engine oil with a viscosity of 5W-40 that meets the VW 502 00 specification. Always refer to the owner's manual for the exact specifications.
Q4 How often should the timing belt be replaced on the 1.8l TFSI engine?
How often should the timing belt be replaced on the 1.8l TFSI engine?
The timing belt on the 1.8l TFSI engine should be inspected every 60,000 miles and replaced every 120,000 miles or 10 years, whichever comes first. Failure to replace the timing belt on time can lead to severe engine damage.
Q5 What is the compression ratio of the 1.8l TFSI engine?
What is the compression ratio of the 1.8l TFSI engine?
The 1.8l TFSI engine has a compression ratio of 9.6:1, which is optimized for turbocharged performance and fuel efficiency.
Q6 What are common maintenance tasks for the 1.8l TFSI engine?
What are common maintenance tasks for the 1.8l TFSI engine?
Common maintenance tasks include regular oil changes every 10,000 miles or annually, replacing the air filter every 40,000 miles, inspecting and replacing spark plugs every 60,000 miles, and checking the turbocharger system for leaks or wear. Always follow the maintenance schedule outlined in the owner's manual.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
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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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