Lexus IS 2014-present 2.5L V6 Engine Specifications
Explore the detailed 2.5L V6 engine specifications for the 2014-Present Lexus IS. Learn about horsepower, torque, fuel efficiency, and maintenance tips for optimal performance.
Overview Specifications
This document provides detailed specifications and technical information about the 2.5L V6 engine used in the Lexus IS models from 2014 to the present. It is designed for enthusiasts, technicians, and potential buyers who seek in-depth knowledge about the engine's performance, design, and features. Use the search and navigation instructions to quickly find relevant information or explore the sections for a comprehensive understanding.
How to Use
Use the search bar to enter keywords related to the 2.5L V6 engine, such as 'horsepower,' 'torque,' or 'fuel efficiency.' Results will highlight relevant sections and subsections for quick access.
Scroll through the sections to explore major topics like performance, design, and maintenance. Click on subsection titles to expand and view detailed technical points.
Key Specifications
Displacement
2.5 liters
Horsepower
204 hp
Torque
184 lb-ft
Fuel Economy
24 mpg combined
Compression Ratio
12.0:1
Available Specifications
Performance Specifications
This section covers the key performance metrics of the 2.5L V6 engine, including horsepower, torque, and acceleration. It also highlights fuel efficiency and emissions data, providing a complete picture of the engine's capabilities.
Performance Specifications
This section covers the key performance metrics of the 2.5L V6 engine, including horsepower, torque, and acceleration. It also highlights fuel efficiency and emissions data, providing a complete picture of the engine's capabilities.
Power and Torque
- Horsepower: 204 hp @ 6400 rpm
- Torque: 184 lb-ft @ 4800 rpm
- Redline: 6500 rpm
- Compression ratio: 12.0:1
- Direct and port fuel injection system
- Dual Variable Valve Timing with intelligence (VVT-i)
Fuel Efficiency and Emissions
- City fuel economy: 21 mpg
- Highway fuel economy: 30 mpg
- Combined fuel economy: 24 mpg
- CO2 emissions: 280 g/mile
- Meets EPA Tier 3 and Euro 6 emission standards
- Eco mode for optimized fuel consumption
Design and Engineering
Explore the advanced engineering and design features of the 2.5L V6 engine, including its lightweight construction, cooling system, and innovative technologies that enhance performance and reliability.
Design and Engineering
Explore the advanced engineering and design features of the 2.5L V6 engine, including its lightweight construction, cooling system, and innovative technologies that enhance performance and reliability.
Engine Construction
- Aluminum alloy block and cylinder heads
- Forged steel crankshaft
- Lightweight pistons with low-friction coatings
- Chain-driven dual overhead camshafts (DOHC)
- Integrated exhaust manifold for reduced weight
- Acoustic control induction system for optimized airflow
Cooling and Lubrication
- High-capacity water pump for efficient cooling
- Oil cooler for consistent engine temperatures
- Variable displacement oil pump for reduced energy loss
- Synthetic oil recommended for optimal performance
- Coolant capacity: 8.5 liters
- Oil capacity: 5.5 liters
Maintenance and Durability
This section provides insights into the maintenance requirements and durability features of the 2.5L V6 engine, including recommended service intervals and long-term reliability factors.
Maintenance and Durability
This section provides insights into the maintenance requirements and durability features of the 2.5L V6 engine, including recommended service intervals and long-term reliability factors.
Service Intervals
- Oil change interval: 10,000 miles or 12 months
- Spark plug replacement: 60,000 miles
- Timing chain designed for lifetime use
- Air filter replacement: 30,000 miles
- Coolant flush: 100,000 miles
- Fuel system cleaning: 50,000 miles
Durability Features
- High-strength materials for extended engine life
- Thermal management system for consistent performance
- Corrosion-resistant coatings on critical components
- Sealed bearings for reduced wear
- Rigorous testing for extreme conditions
- 10-year/100,000-mile powertrain warranty
Search Specifications
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Engine Specifications
Overview
- Type
- Naturally Aspirated V6
- Configuration
- 60-degree V6
- Platform
- Lexus IS 250
- Material
- Aluminum block and heads
- Location
- Front-engine, rear-wheel drive
Dimensions
- Length
- 24.5 inches (622.3 mm)
- Width
- 28.7 inches (729 mm)
- Height
- 27.6 inches (701 mm)
- Displacement
- 152.4 cubic inches (2499 cc)
- Bore
- 3.48 inches (88.5 mm)
- Stroke
- 2.68 inches (68 mm)
- Weight
- 375 lbs (170 kg)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- Dual Variable Valve Timing with intelligence (VVT-i)
- Direct fuel injection
- High compression ratio (12.0:1)
- Optimized airflow design
- Efficiency
-
- Lightweight components
- Low friction internals
- Advanced thermal management
- Eco driving mode
- Technology
-
- Electronic throttle control
- Smart stop-start system
- Integrated exhaust manifold
- Knock control system
- Durability
-
- High-strength internals
- Corrosion-resistant coatings
- Long-life timing chain
- Reinforced bearings
- Cooling
-
- High-capacity radiator
- Electric cooling fan
- Oil cooler
- Thermostatically controlled coolant flow
Safety Features
- Engine Protection
-
- Oil pressure warning system
- Overheat protection
- Low oil level sensor
- Emissions
-
- LEV-II compliant
- Catalytic converter
- Evaporative emissions control
- Fail Safes
-
- Engine limp mode
- Fuel cut-off in crash
- Battery disconnect in emergency
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Balanced crankshaft
- Hydraulic engine mounts
- Vibration Control
-
- Dual-mass flywheel
- Counter-rotating balance shafts
- Precision-machined components
- Climate Impact
-
- Low emissions
- Efficient heating system
- Quick warm-up design
- Drivability
-
- Smooth power delivery
- Linear throttle response
- Adaptive transmission mapping
Accessories
- Performance
-
- Cold air intake
- Performance exhaust
- Engine tuning module
- Maintenance
-
- Oil filter wrench
- Spark plug socket set
- Timing chain tool
- Diagnostics
-
- OBD-II scanner
- Compression tester
- Leak-down tester
Maintenance
- Service interval
- Every 5,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Timing chain check
- Coolant level check
- Air filter replacement
- Maintenance Notes
- Use synthetic 0W-20 oil for optimal performance
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 70,000Years: 6Coverage: Engine and transmission
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation only
- Emissions
- Miles: 70,000Years: 8Coverage: Federal emissions components
- Warranty Terms
- Transferable to subsequent owners
Production Details
- Manufacturer
- Toyota Motor Corporation
- Manufacturing Process
-
- Precision casting
- CNC machining
- Robotic assembly
- Laser measurement
- Quality Control
- Dimensional Checks: 100% inspectionPerformance Testing: Dyno testingLeak Testing: Air and fluid pressure tests
- Sustainability Practices
-
- Recycled aluminum usage
- Low VOC coatings
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Energy Usage: 15 kWh per engine
Service Information for 2.5l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Tire rotation
- Brake inspection
- Fluid level checks
- Battery inspection
Use only Lexus-approved fluids and filters
- Air filter replacement
- Cabin air filter replacement
- Spark plug inspection
- Fuel system cleaning
- Coolant flush
Inspect timing chain and tensioners
- Timing chain inspection
- Transmission fluid change
- Brake fluid flush
- Engine mount inspection
- Exhaust system check
Major service - may require special tools
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 2.5L V6 engine compatible with other Lexus models?
Is the 2.5L V6 engine compatible with other Lexus models?
The 2.5L V6 engine is specifically designed for the 2014-Present Lexus IS series. While it shares some components with other Lexus models, compatibility is limited to the IS line due to unique mounting points, electronic systems, and performance tuning. Always verify with a Lexus dealership or technical expert before attempting cross-model installations.
Q2 What are the maintenance requirements for the 2.5L V6 engine?
What are the maintenance requirements for the 2.5L V6 engine?
The 2.5L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000 miles, air filter replacement every 15,000 miles, and spark plug inspection every 30,000 miles. Additionally, coolant and timing belt checks are recommended every 60,000 miles. Adhering to the Lexus maintenance schedule is crucial for longevity.
Q3 How do I replace the 2.5L V6 engine in a Lexus IS?
How do I replace the 2.5L V6 engine in a Lexus IS?
Replacing the 2.5L V6 engine involves several steps: disconnect the battery, drain fluids, remove the intake and exhaust systems, detach the engine mounts, and disconnect wiring harnesses. Use a hoist to lift the engine out. Installation is the reverse process. Ensure proper torque specifications and alignment. Professional assistance is recommended for this complex task.
Q4 What should I do if my 2.5L V6 engine is misfiring?
What should I do if my 2.5L V6 engine is misfiring?
Misfiring in the 2.5L V6 engine can result from faulty spark plugs, ignition coils, or fuel injectors. Begin by scanning for error codes using an OBD-II scanner. Inspect and replace spark plugs or coils as needed. Check fuel injectors for clogs. If issues persist, consult a certified technician for advanced diagnostics.
Q5 How can I optimize the performance of the 2.5L V6 engine?
How can I optimize the performance of the 2.5L V6 engine?
Optimize your 2.5L V6 engine by using high-quality synthetic oil, upgrading the air intake system, and installing a performance exhaust. Regular tuning and ECU remapping can enhance power and efficiency. Maintain proper tire pressure and reduce vehicle weight for improved handling and fuel economy.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Lexus IS 2.5L V6 Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 2.5L V6 engine in the Lexus IS.
Technical Service Bulletin for 2.5L V6 Engine
Coming SoonLatest updates and fixes for the 2.5L V6 engine, addressing common issues and improvements.
Lexus IS Parts and Accessories Catalog
Coming SoonComprehensive catalog of OEM parts and accessories for the Lexus IS, including 2.5L V6 engine components.
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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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