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Comprehensive Review of the 2021 Subaru WRX STI: The Ultimate Performance Sedan

May. 30,2025

Discover the 2021 Subaru WRX STI, a high-performance sports sedan renowned for its turbocharged engine, sporty design, and advanced safety features. This comprehensive review covers performance, interior comfort, safety, technology, and customization options, making it a top choice for automotive enthusiasts seeking power and style. Perfect for daily driving and spirited adventures, the WRX STI combines reliability with adrenaline-pumping performance, offering a versatile and thrilling driving experience.

Comprehensive Review of the 2021 Subaru WRX STI: The Ultimate Performance Sedan

Comprehensive Review of the 2021 Subaru WRX STI: The Ultimate Performance Sedan

The 2021 Subaru WRX STI continues to embody the perfect blend of aggressive styling, outstanding performance, and advanced technology, making it a favorite among car enthusiasts worldwide. Designed for drivers who crave excitement behind the wheel, this sports sedan boasts robust engineering, sophisticated features, and a reputation for reliability. Whether you're seeking thrilling acceleration on the open highway or nimble maneuverability on twisty roads, the WRX STI offers a versatile driving experience that appeals to a wide range of automotive enthusiasts.

In this detailed review, we delve into the key features, performance metrics, design elements, safety innovations, interior comforts, and customization options that define the 2021 Subaru WRX STI. Understand what sets this model apart from its competitors, as well as practical considerations like pricing and warranty coverage. For anyone considering a high-performance, stylish, and reliable sports sedan, this comprehensive overview aims to provide all the insights needed to make an informed decision.

Introduction to the 2021 Subaru WRX STI

The Subaru WRX STI remains an icon among sports sedans, with its roots tracing back to rally racing. Though Subaru introduced the 2022 WRX with a new styling and improved technology, the 2021 STI continues to hold a special place for enthusiasts who favor its classic performance features and raw driving appeal. The STI badge signifies a focus on high performance, with a suite of enhancements that distinguish it from the standard WRX model.

Performance and Powertrain Excellence

At the heart of the 2021 Subaru WRX STI lies a turbocharged 2.5-liter Boxer engine, one of the most distinctive powerplants in the segment. This engine produces an exhilarating 310 horsepower at 6,000 rpm, delivering rapid acceleration and impressive top-end speed. The power is transmitted through a six-speed manual transmission, emphasizing driver engagement and control.

The all-wheel-drive system, a hallmark of Subaru vehicles, comes standard, ensuring optimal traction in various driving conditions — be it wet roads, snow, or off-road terrain. The 15.9-gallon fuel tank allows for extended journeys, making this vehicle suitable for both daily commuting and long-distance adventures. The sport-tuned suspension and 19-inch alloy wheels culminate in sharp handling characteristics, enabling precise turns and stability at high speeds.

Design and Interior Features

The design of the 2021 WRX STI is both aggressive and functional, with aerodynamic elements that enhance stability and reduce drag. The exterior boasts bold lines, a distinctive front grille, and a prominent rear spoiler, all contributing to its sporty aesthetic.

The interior is crafted for both comfort and control. A D-shaped steering wheel provides better grip and feedback, translating to improved handling. Front seats are designed with adjustable settings to cater to a variety of driver preferences and can include optional heating for added comfort during colder months. Rear passengers benefit from a foldable center armrest, elevating convenience for those in the back seat.

Safety and Security Technologies

Safety features in the 2021 Subaru WRX STI are comprehensive, covering both active and passive systems. Standard safety equipment includes dual front, side, overhead, and knee airbags to protect occupants in case of collision.

Additional safety measures involve tire pressure monitoring systems, emergency braking assistance, dusk-sensing headlamps, and precise child safety features such as rear door child locks and secure anchor points. These enhancements aim to provide peace of mind, whether you're commuting in the city or heading out on a road trip.

Comfort & Convenience Features

Inside, the WRX STI offers a driver-centric cockpit with modern amenities designed for convenience. Electric power steering ensures effortless maneuvering, while a rearview camera aids in parking and tight turns. The leather-wrapped steering wheel not only adds a touch of luxury but also improves grip, especially during spirited driving.

Interior air filtration systems maintain cabin comfort by reducing dust and pollutants. Turn signal mirrors enhance safety during lane changes, and smart storage options, such as front seatback compartments, help keep essentials organized and within reach.

Pricing, Customization Options, and Packages

The 2021 Subaru WRX STI is competitively priced, starting at around $37,245. This pricing places it in a favorable position within the high-performance sedan market, giving buyers excellent value for money. Subaru offers various customization options, including exterior paint colors, wheel designs, and interior trims, allowing drivers to personalize their vehicle to match their style.

Furthermore, a range of packages is available, adding features such as upgraded wheels, exclusive interior trims, or performance-enhancing accessories, providing flexibility for individual preferences and driving needs.

Infotainment System and Connectivity Features

The infotainment system is centered around a 7-inch multimedia touchscreen that integrates seamlessly with the vehicle's controls. This setup supports Apple CarPlay and Android Auto, enabling easy smartphone connectivity for navigation, music, and messaging. The system comes with six speakers delivering clear audio, and options for SiriusXM satellite radio are available for expanded entertainment choices.

Enhancements like hands-free calling, voice recognition, and Bluetooth connectivity make it simple to stay connected while on the move. These features ensure that drivers remain entertained and informed without distraction, promoting safer and more enjoyable drives.

Warranty, Support, and After-Sales Care

Subaru provides comprehensive warranty coverage for the 2021 WRX STI, including a 3-year/36,000-mile New Car Limited Warranty and a 5-year/60,000-mile Powertrain Limited Warranty. Additional coverage includes corrosion protection and wear item warranties, ensuring peace of mind for owners in the long run.

Customer support services and dealership support are readily available to assist with maintenance, repairs, and upgrades, maintaining the vehicle's performance and reliability over time.

In summary, the 2021 Subaru WRX STI continues to be a benchmark model in the high-performance sports sedan segment. Combining thrilling power, sporty design, advanced features, and strong safety offerings, it appeals to drivers who demand excellence behind the wheel. While newer models have entered the market, the 2021 WRX STI retains its status as a compelling choice for enthusiasts seeking a spirited driving experience coupled with versatility and dependability. Before making a purchase, prospective buyers should visit a Subaru dealership for test drives and personalized consultations to explore the options and take full advantage of the vehicle’s capabilities.