You might compare the WRX and STI if you love cars and want a high-performance Subaru. Subaru demonstrates its commitment to exciting driving experiences through its two models, WRX and STI.
But they have different features and abilities. This guide will discover the key difference between WRX and STI models, from engine specs to performance features.
Key Takeaways
- The WRX and STI have different engines. The STI has a stronger engine that responds faster than other models.
- The STI features a superior all-wheel-drive system and suspension. The STI’s superior all-wheel-drive system and suspension make it more nimble on the road and ideal for track racing.
- The WRX and STI offer different braking systems and driver-assist technologies. This meets the needs of different drivers.
- The WRX and STI models have distinct appearances both inside their cabins and on their exteriors. The STI showcases a bolder appearance to meet track demands.
- Your choice between the WRX and STI should align with your top priorities. Are you looking for a practical car or one with top-performance capabilities for everyday driving?

Topic Summary
- Engine And Performance Specifications
- The Key Difference Between WRX And STI Models
- Chassis, Suspension, And Handling Dynamics
- Interior Features And Exterior Design Elements
- FAQs on Difference Between WRX And STI
- What is the Main Difference Between the Subaru WRX And the Subaru STI?
- How Do the Engine And Turbocharger Systems Differ Between the WRX And STI?
- What Are the Key Differences in the Chassis, Suspension, And Handling Dynamics of the WRX And STI?
- How Do the Interior And Exterior Design Elements Differ Between the WRX And STI?
- What Are the Key Considerations When Choosing Between the Subaru WRX And STI?
- Conclusion
Engine And Performance Specifications
Two distinct engines power the Subaru Impreza WRX and STI models. These engines make each car unique. Their engine differences largely define performance between the WRX and STI.
Engine Architecture And Power Output
The Subaru Impreza WRX sports a turbocharged Boxer engine that measures 2.4 liters in displacement. The engine generates 271 horsepower together with 258 pound-feet of torque.
The STI uses a 2.5-liter turbocharged Boxer engine. The STI engine delivers 310 horsepower with 290 lb-ft of torque.
The substantial difference in power output remains a major consideration when deciding between the WRX and STI.
Turbocharger And Boost Differences
The turbochargers used in the WRX and STI models are not the same. The WRX has a single-scroll turbocharger. The STI has a dual-scroll turbocharger.
The STI uses a dual-scroll turbocharger to achieve improved airflow and elevated boost pressures. The STI provides a more entertaining driving experience.
Performance Metrics And Capabilities
The STI gains significant performance advantages through its engine and turbocharger. The STI accelerates to 60 mph from a standstill in less than 5 seconds. The WRX takes about 5.5 seconds.
The STI reaches a top speed of 155 mph. The WRX tops out at 144 mph. Both models achieve efficient fuel consumption, yet the STI sacrifices a little fuel economy for better performance.
The Key Difference Between WRX And STI Models
For enthusiasts of automotive driving experiences, Subaru’s WRX and STI models are the premier selections.
Both models deliver thrilling driving experiences but possess distinct differences. Understand these differences to select the car that best meets your needs.
The WRX serves drivers who want daily fun behind the wheel. This model suits drivers who want sporty performance with simple operation.
The STI model targets enthusiasts who are passionate about cars. The STI sports a racing-inspired design while being engineered for high-speed performance.

They differ primarily in their manufacturing methods and performance capabilities. The WRX has a 2.4-liter engine, but the STI uses a larger 2.5-liter one.
The STI delivers greater power output, making driving more enjoyable. Your decision between the WRX and STI should be based on your personal preferences.
The WRX offers both practical functionality and entertaining driving dynamics. People who want ultimate performance and authentic racing vibes should choose the STI.
Chassis, Suspension, And Handling Dynamics
Chassis design, suspension setup, and handling characteristics influence how WRX and STI models perform.
Distinct elements create a unique driving experience for every Subaru model. The WRX STI suspension differences appear minimal but significantly impact vehicle handling and performance.
Braking Systems And Components
Subaru WRX and STI drivers can expect exceptional braking systems designed for high-speed driving scenarios.
The STI has bigger, more advanced brakes. The STI uses Brembo calipers and rotors with cross-drilling to achieve superior stopping power while reducing brake fade.
Suspension Setup And Tuning
Subaru WRX and STI models use different suspension configurations. The WRX provides a soft suspension that delivers ride comfort and effective handling. The STI suspension is firmer than WRX’s, which improves racing capability but reduces comfort.
Driver Control Technologies
Advanced driver control technologies are present in both the WRX and STI models. The STI vehicle contains a system known as the Driver Controlled Center Differential (DCCD).

The system allows drivers to modify the torque distribution according to driving conditions for improved handling.
Interior Features And Exterior Design Elements
The Subaru Impreza WRX and STI have differences beyond their power output. The WRX and STI showcase their distinctive styles through their interior and exterior designs, attracting different drivers.
The unique designs of these cars reveal their different personalities and the types of drivers they attract. The WRX STI interior differences are clear. The STI comes equipped with a performance-oriented cabin design.
This model includes sport seats, a flat-bottom steering wheel, and performance gauges. The WRX’s main goals are designed with daily comfort and practicality in mind.
The differences in the WRX STI exterior design stand out clearly. The Subaru WRX STI sports a striking front design with wider fenders and a substantial rear wing.
It looks ready for the track. The Subaru Impreza WRX and STI models sport distinctive wheels, highlighting their performance capabilities.
Depending on their needs, different driver groups will benefit from either the WRX or STI. Subaru works to satisfy every performance enthusiast. Subaru vehicles meet all driver needs for everyday transport or high-performance racing.
FAQs on Difference Between WRX And STI
What is the Main Difference Between the Subaru WRX And the Subaru STI?
The Subaru WRX performs exceptionally well as a daily driver. The STI is for serious racing fans. It has better performance and handling.
How Do the Engine And Turbocharger Systems Differ Between the WRX And STI?
The WRX boasts a 2.4-liter engine delivering 271 horsepower. The engine of the STI delivers 310 horsepower through its 2.5-liter capacity. The STI’s turbocharger gives it more power.
What Are the Key Differences in the Chassis, Suspension, And Handling Dynamics of the WRX And STI?
Sharp handling benefits from the STI’s superior suspension system. The STI uses larger brakes together with racing-specific tires. The WRX offers better comfort for everyday use.
How Do the Interior And Exterior Design Elements Differ Between the WRX And STI?
The STI sports a more aggressive appearance due to its large rear wing and distinctive bodywork. The interior features a sporty gauge cluster together with Recaro seats. The WRX has a more subtle design.
What Are the Key Considerations When Choosing Between the Subaru WRX And STI?
Reflect on the features you need in your vehicle. The WRX is great for daily driving. People who have a passion for racing should choose the STI model. Evaluate the purchase price, maintenance expenses, and the intended use of your vehicle.
Conclusion
Subaru WRX and WRX STI models differ mainly in their performance levels and costs, upfront and over time.
Drivers will enjoy their time behind the wheel of the WRX due to its turbocharged engine and nimble handling. The STI exceeds the WRX with an enhanced engine and a superior chassis.
The price gap between the WRX and STI is large as the STI comes with a higher price tag. Higher ownership costs for insurance, maintenance, and fuel result from the more expensive WRX sti price.
The decision between the WRX and STI models depends on how you drive and what performance features you require within your spending limits.
Choosing between the WRX and STI comes down to what performance or features you prioritize. For top performance potential, consider the STI because its advanced features justify the extra cost.
The WRX is optimal for people seeking an exciting daily driver that won’t break the bank. The WRX delivers thrilling performance with lower ownership expenses than the STI.