Hyundai Sonata 2020-present 2.5L Engine Engine Specifications
Hyundai Sonata 2020-present

Hyundai Sonata 2020-present 2.5L Engine Specifications

Explore the detailed 2.5L engine specifications for the 2020-Present Hyundai Sonata. Learn about horsepower, torque, fuel system, and more to understand performance, maintenance, and compatibility.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 2.5L engine featured in the 2020-Present Hyundai Sonata. It is designed to assist users in understanding the engine's performance, features, and key details. The content is organized into sections for easy navigation, and a quick reference guide is included for quick access to essential specifications.

How to Use

Use the search functionality to find specific terms or phrases within the document. Enter keywords related to the 2.5L engine, such as 'horsepower' or 'torque,' to locate relevant information quickly.

Navigate through the document by scrolling or using the section titles in the table of contents. Each section is labeled with a descriptive title to help you find the information you need efficiently.

Key Specifications

Displacement

2.5L

Horsepower

191 hp

Torque

181 lb-ft

Fuel Economy

28 mpg (combined)

Acceleration (0-60 mph)

7.5 seconds

Available Specifications

Engine Performance

This section covers the performance metrics of the 2.5L engine, including horsepower, torque, and acceleration capabilities. It also highlights the engine's efficiency and how it contributes to the overall driving experience of the Hyundai Sonata.

Power and Torque
  • Horsepower: 191 hp at 6100 rpm
  • Torque: 181 lb-ft at 4000 rpm
  • Direct injection fuel system
  • Dual CVVT (Continuously Variable Valve Timing)
  • Optimized for both efficiency and performance
  • Smooth power delivery across the RPM range
Acceleration and Efficiency
  • 0-60 mph in approximately 7.5 seconds
  • Combined fuel economy of 28 mpg
  • City fuel economy: 25 mpg
  • Highway fuel economy: 34 mpg
  • Lightweight engine design for improved efficiency
  • Low-friction components for enhanced performance

Engine Design and Technology

This section delves into the design features and advanced technologies incorporated into the 2.5L engine. It highlights the engineering innovations that enhance performance, reliability, and durability.

Design Features
  • All-aluminum engine block
  • DOHC (Dual Overhead Camshaft) configuration
  • Integrated thermal management system
  • Compact design for better weight distribution
  • High-strength components for durability
  • Optimized airflow for improved combustion
Advanced Technologies
  • Smartstream G2.5 engine platform
  • Atkinson cycle for improved efficiency
  • Electronic throttle control for precise power delivery
  • Low-pressure EGR (Exhaust Gas Recirculation) system
  • Enhanced cooling system for optimal temperature control
  • Noise-reduction engineering for quieter operation

Maintenance and Reliability

This section provides information on the maintenance requirements and reliability aspects of the 2.5L engine. It includes details on service intervals, durability, and tips for ensuring long-term performance.

Maintenance Tips
  • Regular oil changes every 7,500 miles
  • Use of recommended synthetic oil
  • Routine inspection of belts and hoses
  • Periodic air filter replacement
  • Coolant system checks every 30,000 miles
  • Spark plug replacement every 100,000 miles
Reliability Features
  • Designed for long-term durability
  • Rigorous testing for quality assurance
  • Corrosion-resistant materials
  • High-quality components for reduced wear
  • Comprehensive warranty coverage
  • Proven track record in Hyundai vehicles

Engine Specifications

Overview

Type
Inline-4
Configuration
Naturally Aspirated
Platform
Hyundai Smartstream
Material
Aluminum Block and Head
Location
Front, Transverse

Dimensions

Length
20.5 inches (520.7 mm)
Width
24.8 inches (630 mm)
Height
27.6 inches (701 mm)
Weight
298 lbs (135 kg)
Displacement
2.5 liters (2497 cc)
Bore
3.54 inches (90 mm)
Stroke
3.78 inches (96 mm)

Materials

Block
Aluminum Alloy
Cylinder Head
Aluminum Alloy
Pistons
Forged Aluminum
Crankshaft
Forged Steel
Valves
Stainless Steel

Features

Fuel System
  • Direct Injection
  • Multi-Point Injection
  • High-Pressure Fuel Pump
Cooling System
  • Liquid-Cooled
  • Dual Thermostats
  • Electric Water Pump
Ignition System
  • Coil-On-Plug
  • Electronic Ignition Timing
  • Knock Sensor
Emission Control
  • EGR System
  • Catalytic Converter
  • Oxygen Sensors
Lubrication System
  • Variable Oil Pump
  • Oil Cooler
  • Full-Flow Oil Filter

Safety Features

Engine Protection
  • Overheat Protection
  • Low Oil Pressure Warning
Emission Control
  • EVAP System
  • OBD-II Compliance
Fire Prevention
  • Heat Shields
  • Firewall Insulation

Comfort Features

Noise Reduction
  • Acoustic Engine Cover
  • Hydraulic Engine Mounts
Vibration Control
  • Balancer Shafts
  • Anti-Vibration Pads
Thermal Management
  • Radiator Fan Control
  • Insulated Exhaust Manifold

Accessories

Electrical
  • Alternator
  • Starter Motor
  • Battery
Cooling
  • Radiator
  • Thermostat
  • Coolant Reservoir
intake
  • Air Filter
  • Throttle Body
  • Intake Manifold

Maintenance

Service interval
7,500 miles or 6 months
Service Items
  • Oil Change
  • Oil Filter Replacement
  • Air Filter Inspection
  • Spark Plug Inspection
  • Coolant Level Check
Maintenance Notes
Use synthetic oil meeting API SN or SP standards.

Warranty

Basic
5 years or 60,000 miles
Powertrain
10 years or 100,000 miles
Emission
8 years or 80,000 miles
Corrosion
7 years or unlimited miles
Warranty Terms
Transferable to subsequent owners.

Production Details

Manufacturer
Hyundai Motor Company
Manufacturing Process
  • Casting
  • Machining
  • Assembly
Quality Control
inspection: 100% Engine Testing
Tolerances: Micron-Level Precision
Sustainability Practices
  • Recycled Aluminum
  • Emission Control Systems
Production Metrics
Units Per Day: 500
Defect Rate: Less than 0.01%

Service Information for 2.5l engine Service

Maintenance and service requirements specific to this component

7,500
6
  • Oil and Filter Change
  • Inspect Air Filter
  • Check Coolant Level
  • Inspect Drive Belts
  • Check Engine for Leaks

Use only recommended synthetic oil.

15,000
12
  • Replace Air Filter
  • Inspect Spark Plugs
  • Check Fuel System
  • Inspect Exhaust System
  • Test Battery

Ensure all connections are secure.

60,000
48
  • Replace Spark Plugs
  • Flush Coolant System
  • Inspect Timing Chain
  • Check Engine Mounts
  • Perform Compression Test

Use OEM parts for replacements.

Common Questions

Find answers to common questions about torque specifications

Q1

Is the 2.5L engine compatible with other Hyundai models?

The 2.5L Smartstream G2.5 engine in the 2020-Present Hyundai Sonata is specifically designed for the Sonata platform. While it shares some technology with other Hyundai engines, it is not directly compatible with other models due to differences in mounting points, electronics, and emissions systems. Always verify compatibility with Hyundai's technical documentation before attempting any cross-model installations.

Q2

What are the maintenance requirements for the 2.5L engine?

The 2.5L engine requires regular maintenance to ensure longevity and performance. Follow Hyundai's recommended schedule: oil changes every 7,500 miles or 12 months, air filter replacement every 15,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect belts, hoses, and coolant levels periodically. Use only Hyundai-approved fluids and parts for optimal performance.

Q3

How do I replace the 2.5L engine in a Hyundai Sonata?

Replacing the 2.5L engine in a Hyundai Sonata is complex and requires professional expertise. Key steps include disconnecting the battery, draining fluids, removing the engine mounts, and detaching electrical and mechanical connections. Installation involves reversing the process, ensuring proper torque specifications, and verifying all systems function correctly. Consult the service manual or a certified Hyundai technician for detailed instructions.

Q4

What should I do if the 2.5L engine is misfiring?

If the 2.5L engine misfires, diagnose the issue by checking spark plugs, ignition coils, and fuel injectors. Use an OBD-II scanner to identify error codes. Common solutions include replacing faulty components, cleaning injectors, or updating the engine control module (ECM) software. If the issue persists, consult a Hyundai-certified technician for further diagnostics and repair.

Q5

How can I optimize the performance of the 2.5L engine?

To optimize the 2.5L engine's performance, use high-quality fuel, adhere to maintenance schedules, and ensure proper tire inflation. Consider upgrading the air intake and exhaust systems for improved airflow. Avoid aggressive driving and excessive idling. Regularly monitor engine performance using diagnostic tools and address any issues promptly to maintain efficiency and power output.

Factory Service Resources

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

Hyundai Sonata 2.5L Engine Service Manual

Coming Soon

Comprehensive guide covering maintenance, repair, and troubleshooting for the 2.5L Smartstream engine.

Technical Service Bulletin: 2.5L Engine Software Update

Coming Soon

Details a recent ECM software update to enhance engine performance and fuel efficiency.

Hyundai Sonata 2.5L Engine Parts Catalog

Coming Soon

Complete listing of OEM parts and accessories for the 2.5L engine, including part numbers and compatibility.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

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.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

© 2025 Hyundai Specs. All rights reserved.