Infiniti Q50 2014-present 2.0L Turbo I4 Engine Engine Specifications
Infiniti Q50 2014-present

Infiniti Q50 2014-present 2.0L Turbo I4 Engine Specifications

Explore the detailed specifications of the 2.0L Turbo I4 engine for the 2014-Present Infiniti Q50. Learn about horsepower, torque, fuel efficiency, and more to understand its performance and maintenance needs.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 2.0L Turbo I4 engine used in the 2014-Present Infiniti Q50. It is designed to assist enthusiasts, technicians, and owners in understanding the engine's performance, features, and maintenance requirements. The content is organized into major sections and subsections for easy navigation and reference. Use the search and navigation instructions to quickly find the information you need.

How to Use

Use the search functionality to locate specific terms or phrases within the document. Enter keywords related to the engine's components, performance metrics, or features to quickly find relevant sections.

Navigate through the document using the table of contents or by scrolling through the sections. Each section is clearly labeled and contains subsections with detailed information about the 2.0L Turbo I4 engine.

Key Specifications

Engine Type

2.0L Turbo I4

Horsepower

208 hp

Torque

258 lb-ft

Fuel Economy (City/Highway)

22/30 mpg

Turbocharger

Single Twin-Scroll

Available Specifications

Engine Performance

This section covers the performance characteristics of the 2.0L Turbo I4 engine, including horsepower, torque, and acceleration. It also includes details about the engine's turbocharging system and fuel efficiency.

Power and Torque
  • Horsepower: 208 hp @ 5500 rpm
  • Torque: 258 lb-ft @ 1500-3500 rpm
  • Turbocharged for enhanced performance
  • Direct injection for improved fuel efficiency
  • Optimized for responsive acceleration
  • Smooth power delivery across the rev range
Fuel Efficiency
  • EPA-estimated fuel economy: 22 mpg city
  • EPA-estimated fuel economy: 30 mpg highway
  • Advanced combustion system for reduced emissions
  • Eco mode for improved fuel savings
  • Lightweight materials for better efficiency
  • Start-stop technology to minimize idle fuel consumption

Engine Design

This section details the design and construction of the 2.0L Turbo I4 engine, including its materials, layout, and key components. It highlights the engineering innovations that contribute to its durability and performance.

Construction and Materials
  • Aluminum engine block for reduced weight
  • Forged steel crankshaft for durability
  • High-strength aluminum cylinder head
  • Integrated exhaust manifold for compact design
  • Thermal management system for optimal performance
  • Precision-engineered components for reliability
Turbocharging System
  • Single twin-scroll turbocharger
  • Electronically controlled wastegate
  • Air-to-air intercooler for efficient cooling
  • Low-inertia turbine for quick response
  • Optimized airflow for maximum power
  • Durable materials for long-term performance

Maintenance and Service

This section provides guidance on maintaining and servicing the 2.0L Turbo I4 engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity.

Service Intervals
  • Oil change every 5,000 miles or 6 months
  • Air filter replacement every 15,000 miles
  • Spark plug replacement every 60,000 miles
  • Coolant flush every 30,000 miles
  • Timing chain inspection every 100,000 miles
  • Regular inspection of turbocharger components
Common Maintenance Tasks
  • Check and replace engine oil as needed
  • Inspect and clean air intake system
  • Monitor turbocharger for signs of wear
  • Inspect and replace drive belts
  • Check engine mounts and suspension components
  • Ensure proper fluid levels and quality

Engine Specifications

Overview

Type
Inline-4 Turbocharged
Configuration
Longitudinal
Displacement
1991 cc
Aspiration
Turbocharged
Location
Front-engine, rear-wheel drive

Dimensions

Length
22.5 inches (571.5 mm)
Width
18.7 inches (475 mm)
Height
20.9 inches (530.9 mm)
Weight
319 lbs (144.7 kg)
Bore
3.39 inches (86 mm)
Stroke
3.39 inches (86 mm)
Compression Ratio
9.5:1

Materials

Block
Aluminum alloy
Cylinder Head
Aluminum alloy
Pistons
Forged aluminum
Crankshaft
Forged steel
Valves
Stainless steel

Features

Turbocharging
  • Single twin-scroll turbocharger
  • Intercooled
  • Variable valve timing
Fuel System
  • Direct fuel injection
  • High-pressure fuel pump
  • Electronic throttle control
Cooling System
  • Liquid-cooled
  • Electric water pump
  • Thermostatically controlled
Ignition System
  • Direct ignition system
  • Iridium-tipped spark plugs
  • Coil-on-plug design
Emissions Control
  • Catalytic converter
  • Exhaust gas recirculation
  • Oxygen sensors

Safety Features

Engine Protection
  • Low oil pressure shutdown
  • Overheat protection
  • Knock sensor
Electronics
  • Engine control unit (ECU)
  • Fail-safe cooling mode
Structural
  • Reinforced engine mounts
  • Crush zones

Comfort Features

Noise Reduction
  • Acoustic engine cover
  • Balanced shaft
  • Sound-deadening materials
Vibration Control
  • Hydraulic engine mounts
  • Counter-rotating balance shafts
Climate Control
  • Integrated heating system
  • Auxiliary coolant pump

Accessories

Drive Belts
  • Serpentine belt
  • Timing chain
  • Tensioner
Filters
  • Oil filter
  • Air filter
  • Fuel filter
Sensors
  • Crankshaft position sensor
  • Camshaft position sensor
  • Knock sensor

Maintenance

Oil Change interval
7500 miles or 6 months
Spark Plugs interval
60000 miles
Timing Chain Interval
Lifetime (inspect at 100000 miles)
Coolant Change interval
30000 miles or 2 years
Air Filter interval
15000 miles
Note
Use only manufacturer-recommended fluids and parts

Warranty

Basic
Miles: 60000
Years: 4
Coverage: Bumper-to-bumper
Powertrain
Miles: 70000
Years: 6
Coverage: Engine and transmission
Emissions
Miles: 80000
Years: 8
Coverage: Emissions control components
Corrosion
Miles: Unlimited
Years: 7
Coverage: Perforation from corrosion

Production Details

Manufacturer
Infiniti
Manufacturing Process
  • Precision casting
  • CNC machining
  • Automated assembly
Quality Control
Testing: Dyno testing
inspection: 100% inspection of critical components
Certification: ISO 9001
Sustainability Practices
  • Recycled aluminum usage
  • Energy-efficient manufacturing
  • Low-emission processes
Production Metrics
Units Per Year: 50000
Defect Rate: <0.1%
Lead Time: 4 weeks

Service Information for 2.0l turbo i4 engine Service

Maintenance and service requirements specific to this component

7500
6
  • Oil and filter change
  • Inspect drive belts
  • Check fluid levels
  • Inspect turbocharger system

Use synthetic 5W-30 oil

15000
12
  • Replace air filter
  • Inspect spark plugs
  • Check timing chain tension
  • Inspect cooling system

Check for any oil leaks

60000
48
  • Replace spark plugs
  • Replace coolant
  • Inspect turbocharger
  • Check engine mounts

Perform full diagnostic scan

Common Questions

Find answers to common questions about torque specifications

Q1

Is the 2.0L Turbo I4 engine compatible with other Infiniti models?

The 2.0L Turbo I4 engine is primarily designed for the 2014-Present Infiniti Q50. While it shares some components with other Infiniti models, compatibility is not guaranteed. Always consult the vehicle's technical specifications or an authorized dealer to confirm compatibility before attempting any cross-model installations.

Q2

What are the maintenance requirements for the 2.0L Turbo I4 engine?

Regular maintenance for the 2.0L Turbo I4 engine includes oil changes every 5,000-7,500 miles, air filter replacements every 15,000 miles, and spark plug changes every 60,000 miles. Turbocharger inspections should be performed every 30,000 miles to ensure optimal performance. Always refer to the owner’s manual for detailed schedules.

Q3

How do I replace the 2.0L Turbo I4 engine in my Infiniti Q50?

Engine replacement requires disconnecting the battery, draining fluids, removing engine mounts, and detaching electrical connections. Use a hoist to lift the old engine out and carefully install the new one, ensuring all connections are secure. Professional installation is recommended due to the complexity and technical expertise required.

Q4

What should I do if my 2.0L Turbo I4 engine is misfiring?

Misfires can result from faulty spark plugs, ignition coils, or fuel injectors. Start by checking the spark plugs and replacing them if necessary. Inspect the ignition coils for damage and test the fuel injectors for proper operation. If the issue persists, consult a professional for advanced diagnostics.

Q5

How can I optimize the performance of my 2.0L Turbo I4 engine?

To optimize performance, use high-quality synthetic oil, upgrade the air intake system, and install a performance exhaust. Regular tuning and software updates can also enhance engine efficiency. Avoid aggressive driving and ensure timely maintenance to prolong engine life and maintain peak performance.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Infiniti Q50 2.0L Turbo I4 Engine Service Manual

Coming Soon

This manual provides detailed instructions for servicing and maintaining the 2.0L Turbo I4 engine, including troubleshooting and repair procedures.

Technical Service Bulletin for 2.0L Turbo I4 Engine

Coming Soon

This bulletin outlines common issues and recommended solutions for the 2.0L Turbo I4 engine, including updates and recalls.

Infiniti Q50 Parts and Accessories Guide

Coming Soon

This guide lists all available parts and accessories for the 2.0L Turbo I4 engine, including OEM and aftermarket options.

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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.
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About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

Automotive Technical Specialist

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