Summary

• With 242 currently listed for sale and an average price of $33,994.00, 28.9% of 2021 Subaru WRX STIs for sale on CarGurus are rated as good or great deals.

• Favorably reviewed: Owners rated the 2021 Subaru WRX STI 5 / 5 stars.

• 70.7% of 2021 WRX STI models on CarGurus are accident free.

• The 2021 Subaru WRX STI features a powerful 2.5-liter turbocharged engine producing 310 horsepower, standard all-wheel drive, and a sporty design that stands out on the road.

Why it stands out

The 2021 Subaru WRX STI is a performance sedan that combines thrilling driving dynamics with everyday practicality. It is powered by a robust 2.5-liter turbocharged flat-four engine, delivering 310 horsepower and 290 pound-feet of torque, making it a top choice for enthusiasts seeking a spirited driving experience. The WRX STI's all-wheel-drive system enhances its handling capabilities, allowing it to tackle corners with precision and confidence. While it excels in performance, the ride can be harsh, which may deter some buyers looking for comfort. The interior, though functional, shows signs of age with a dated design and basic technology, but it remains user-friendly. Overall, the WRX STI appeals to those who prioritize performance and driving engagement over luxury and refinement.

Other model years to consider

• 2020 Subaru WRX STI

  • Average price: $30,781.00
  • Good/great deal percentage: 32.2%
  • User rating: 5 / 5
  • Total listings: 323

• 2019 Subaru WRX STI

  • Average price: $27,182.00
  • Good/great deal percentage: 35.6%
  • User rating: 5 / 5
  • Total listings: 289

• 2017 Subaru WRX STI

  • Average price: $21,545.00
  • Good/great deal percentage: 32.2%
  • User rating: 5 / 5
  • Total listings: 242

This analysis is based on CarGurus' proprietary market data from August 3, 2026, CarGurus experts' opinions, and generative AI.