Acura RDX 2007-2012 2.3L Engine Specifications
Comprehensive technical specifications for the 2.3L turbocharged K23A1 engine in the 2007-2012 Acura RDX. Includes detailed performance metrics, system specifications, and compliance details.
2007-2012 Acura RDX 2.3L Engine Specifications Overview Specifications
This document provides a comprehensive guide to the specifications and technical details of the 2.3L engine found in the 2007-2012 Acura RDX. It includes key performance metrics, engine design features, and maintenance recommendations. Use this guide to understand the capabilities and requirements of the 2.3L turbocharged engine. Navigate through the sections to find detailed information, and refer to the quick reference section for at-a-glance key specifications.
How to Use
To find specific information, use the search functionality by entering keywords such as 'horsepower,' 'torque,' or 'fuel capacity.'
Navigate through the sections by scrolling or using the section titles. Each section contains subsections with detailed technical points for easy reference.
Key Specifications
Horsepower
240 @ 6000 rpm
Torque
260 lb-ft @ 4500 rpm
Displacement
2.3 liters
Fuel Economy
17 mpg city / 22 mpg highway
Emissions Rating
ULEV-2
Available Specifications
Engine Overview
This section provides a general overview of the 2.3L engine, including its type, displacement, and key features. It serves as a foundational understanding of the engine's design and capabilities.
Engine Overview
This section provides a general overview of the 2.3L engine, including its type, displacement, and key features. It serves as a foundational understanding of the engine's design and capabilities.
Engine Type and Displacement
- 2.3L Turbocharged DOHC Inline-4 Cylinder Engine
- Displacement: 2.3 liters (139.0 cubic inches)
- Aluminum alloy engine block and cylinder head
- Dual Overhead Camshaft (DOHC) design
Fuel System and Drivetrain
- Fuel injected system with high-pressure turbocharger
- Premium unleaded fuel recommended
- SH-AWD (Super Handling All-Wheel Drive) system available
- 5-Speed Automatic Transmission with Sequential SportShift
Performance Specifications
This section outlines the performance capabilities of the 2.3L engine, including horsepower, torque, and acceleration metrics.
Performance Specifications
This section outlines the performance capabilities of the 2.3L engine, including horsepower, torque, and acceleration metrics.
Horsepower and Torque
- Horsepower: 240 @ 6000 rpm
- Torque: 260 lb-ft @ 4500 rpm
- Turbocharger with intercooler for enhanced performance
- Redline: 6800 rpm
Acceleration and Speed
- 0-60 mph: 6.5 seconds
- 1/4 mile: 15.1 seconds @ 93 mph
- Top speed: Electronically limited to 125 mph
- Fuel economy: Up to 17 mpg city / 22 mpg highway
Technical Specifications
This section provides detailed technical information about the engine's internal components and operational parameters.
Technical Specifications
This section provides detailed technical information about the engine's internal components and operational parameters.
Engine Dimensions and Weight
- Bore: 86.0 mm (3.4 in)
- Stroke: 96.0 mm (3.8 in)
- Compression ratio: 8.8:1
- Engine weight: Approximately 300 lbs
Fuel and Emissions
- Fuel tank capacity: 18.0 gallons
- Emissions rating: ULEV-2 (Ultra Low Emission Vehicle)
- EPA estimated annual fuel cost: $1,600
- CO2 emissions: 6.1 tons/yr @ 15k miles driven
Maintenance and Service
This section includes recommended maintenance schedules and service intervals to ensure optimal engine performance and longevity.
Maintenance and Service
This section includes recommended maintenance schedules and service intervals to ensure optimal engine performance and longevity.
Oil and Fluids
- Oil capacity: 5.0 quarts (4.7 liters)
- Recommended oil: 5W-20 synthetic blend
- Coolant type: Honda Long Life Coolant
- Transmission fluid: ATF DW-1
Service Intervals
- Oil change interval: Every 5,000 to 7,500 miles
- Tire rotation interval: Every 7,500 miles
- Spark plug replacement: Every 105,000 miles
- Timing belt replacement: Not applicable (chain-driven)
Search Specifications
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Engine Specifications
Overview
- Type
- Inline-4
- Configuration
- Turbocharged
- Displacement
- 2.3 liters (132.7 cubic inches)
- Compression Ratio
- 8.8:1
- Fuel Type
- Premium unleaded gasoline
- Aspiration
- Turbocharged
Dimensions
- Engine Length
- 18.5 inches (470 mm)
- Engine Width
- 15.7 inches (400 mm)
- Engine Height
- 24.8 inches (630 mm)
- Engine Weight
- 340 lbs (154 kg)
- Cylinder Bore
- 3.5 inches (86 mm)
- Stroke
- 3.9 inches (98 mm)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Valves
- Steel (intake and exhaust)
Features
- Engine Management
-
- i-VTEC variable valve timing
- Electronic throttle control
- Direct ignition system
- Knock sensor
- Fuel System
-
- Programmed Fuel Injection (PGM-FI)
- Returnless fuel injection
- Fuel injector cleaning
- Cooling System
-
- Water-cooled
- Electric cooling fan
- Dual-stage coolant pump
- Exhaust System
-
- Turbocharger with intercooler
- High-flow catalytic converter
- Dual exhaust outlets
- Lubrication
-
- Wet-sump system
- Engine oil cooler
- Oil level sensor
Safety Features
- Emission Control
-
- Catalytic converter
- Evaporative emissions control
- Exhaust gas recirculation (EGR)
- Engine Protection
-
- Overheating protection
- Oil pressure monitoring
- Knock sensor
- Monitoring Systems
-
- Engine control module (ECM)
- OBD-II diagnostics
- Fault code storage
Comfort Features
- Noise Reduction
-
- Balanced engine design
- Acoustic engine cover
- Hydraulic engine mounts
- Refinement
-
- Offset crankshaft design
- Lightweight pistons
- Low-friction piston rings
Accessories
- Standard Equipment
-
- Alternator
- Starter motor
- Engine oil dipstick
- Turbocharger oil feed
- Optional Equipment
-
- Engine block heater
- Performance air filter
- Engine cover trim
Maintenance
- Service interval
- Normal conditions: Every 5,000 to 7,500 miles
- Maintenance Items
-
- Engine oil change
- Oil filter replacement
- Tire rotation
- Brake inspection
- Fluid level check
- Air filter inspection
- Notes
- Turbocharger requires synthetic oil. Replace timing belt at 105,000 miles.
Warranty
- Basic Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 60,000 milesYears: 5 yearsCoverage: Engine, transmission, and transaxle
- Corrosion Warranty
- Miles: 60,000 milesYears: 5 yearsCoverage: Perforation of body panels
- Emissions Warranty
- Miles: 15,000 milesYears: 1 yearCoverage: Emission control components
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: Dimensional and functional testingCertification: ISO 9001:2008Testing Procedures: Dyno testing
- Sustainability Practices
-
- Recyclable materials
- Low emissions manufacturing
- Energy-efficient processes
- Production Metrics
- Horsepower: 240 hp @ 6,000 rpmTorque: 260 lb-ft @ 4,500 rpmRedline: 6,800 rpmFuel Capacity: 18.5 gallons
Service Information for 2.3l engine Service
Maintenance and service requirements specific to this component
- Engine oil and filter change
- Tire rotation
- Brake system inspection
- Fluid level check
- Air filter inspection
Use synthetic oil for turbocharged engine. Inspect belts and hoses.
- Spark plug replacement
- Fuel injector cleaning
- PCV valve inspection
- Cabin air filter replacement
- Battery test
Check turbocharger boost pressure. Inspect exhaust system.
- Timing belt inspection
- Water pump inspection
- Drive belts replacement
- Suspension system inspection
- Steering system inspection
Replace engine air filter if contaminated. Check engine mounts.
- Transmission fluid change
- Transfer case fluid change
- Differential fluid change
- Brake fluid flush
- Coolant replacement
Major service recommended. Inspect turbocharger and intercooler.
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 2.3L engine in the 2007-2012 Acura RDX?
What is the horsepower and torque output of the 2.3L engine in the 2007-2012 Acura RDX?
The 2.3L turbocharged engine in the 2007-2012 Acura RDX produces 240 horsepower at 6,000 RPM and 260 lb-ft of torque at 4,500 RPM. This engine is paired with a 5-speed automatic transmission with manual shift mode.
Q2 What type of fuel does the 2.3L engine require?
What type of fuel does the 2.3L engine require?
The 2.3L turbocharged engine in the Acura RDX requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower-octane fuel may result in reduced performance and potential engine knocking.
Q3 What is the recommended oil type and capacity for the 2.3L engine?
What is the recommended oil type and capacity for the 2.3L engine?
The 2.3L engine requires 5W-30 synthetic oil with a capacity of 4.5 quarts (including the oil filter). Always refer to the owner's manual for specific oil change intervals and procedures.
Q4 What is the turbocharger boost pressure for the 2.3L engine?
What is the turbocharger boost pressure for the 2.3L engine?
The 2.3L engine features a turbocharger with a maximum boost pressure of 14.5 psi (1 bar). This turbocharger is designed to provide consistent power delivery across the RPM range.
Q5 What is the recommended spark plug type and gap for the 2.3L engine?
What is the recommended spark plug type and gap for the 2.3L engine?
The 2.3L engine uses NGK IZFR6K11 spark plugs with a pre-gapped setting of 0.028-0.031 inches (0.7-0.8 mm). It is recommended to replace spark plugs every 60,000 miles or as specified in the maintenance schedule.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2007-2012 Acura RDX Owner's Manual
Coming SoonThe official owner's manual provides detailed information on maintenance schedules, specifications, and operating procedures for the 2.3L engine.
2.3L Turbocharged Engine Service Guide
Coming SoonA comprehensive guide to servicing the 2.3L turbocharged engine, including oil changes, spark plug replacement, and turbocharger maintenance.
Acura Genuine Parts Catalog
Coming SoonAccess the official catalog for genuine Acura parts, including engine components, filters, and gaskets for the 2.3L engine.
Turbocharger Maintenance Tips
Coming SoonLearn how to properly maintain and troubleshoot the turbocharger system in the 2.3L engine to ensure optimal performance and longevity.
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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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