The Subaru WRX and STI are two of the most popular performance vehicles on the market. The WRX and STI are both based on the Impreza platform, but they offer different levels of performance and driving experience. In this article, we will explain the difference between the WRX and STI.
The Subaru WRX is the entry-level performance model in the Subaru lineup. It is powered by a 2.0-liter turbocharged four-cylinder engine that produces 268 horsepower and 258 lb-ft of torque. This engine is mated to a six-speed manual transmission and all-wheel-drive system. The WRX features standard features such as a sport-tuned suspension, a limited-slip differential, and 17-inch alloy wheels.
The Subaru STI is the higher-performance version of the WRX. It is powered by a 2.5-liter turbocharged four-cylinder engine that produces 310 horsepower and 290 lb-ft of torque. This engine is mated to a six-speed manual transmission and a specially-tuned all-wheel-drive system. The STI features performance upgrades such as a reinforced chassis, adjustable suspension, Brembo brakes, and 18-inch alloy wheels.
In terms of performance, the STI is the clear winner. Its higher-output engine and performance-tuned all-wheel-drive system provide superior acceleration, cornering, and braking compared to the WRX. The STI also offers more customization options, allowing drivers to further tailor its performance to their liking.
In terms of features and comfort, the WRX and STI offer a similar experience. Both models offer a wide range of standard features, such as a touchscreen infotainment system, Apple CarPlay and Android Auto support, and a power moonroof. The WRX and STI also offer comfortable seating for five passengers, as well as plenty of cargo space.
The main difference between the WRX and STI comes down to performance. The WRX offers a great entry-level performance experience, while the STI offers a higher-level of performance and customization options. Ultimately, the choice between the two models depends on the driver’s needs and preferences.
1. Engine Comparison
The Subaru WRX and STI are both equipped with the Boxer engine, but their power output differs significantly. The WRX is equipped with a 2.0L four-cylinder turbocharged engine producing 268 horsepower and 258 lb-ft of torque. The STI is equipped with a 2.5L four-cylinder turbocharged engine producing 310 horsepower and 290 lb-ft of torque. Both engines are designed to deliver a smooth and efficient driving experience, with the STI engine providing more power and torque for a more exhilarating ride.
2. Transmission Comparison
The WRX is equipped with a six-speed manual transmission, while the STI is equipped with a six-speed manual transmission as well as a six-speed Sport Lineartronic transmission. The Sport Lineartronic transmission has a special set of features, such as an electronically controlled center differential, an Active Torque Vectoring system, and a Driver Controlled Center Differential system. These features give the STI an edge in terms of performance, providing a more responsive and controllable ride.
3. Suspension Comparison
The WRX is equipped with a MacPherson strut front suspension and a double wishbone rear suspension. The STI is equipped with a multi-link rear suspension and a reinforced MacPherson strut front suspension. The multi-link rear suspension provides better stability and improved ride quality, while the reinforced MacPherson strut front suspension provides better handling and a more responsive ride. The STI also features a rear limited-slip differential, which helps to maintain traction on slippery surfaces.