Used 2018 Subaru WRX STI for Sale near Modesto, CA

## Summary - With 202 currently listed for sale and an **average price of $23,674.00**, 22.8% of 2018 Subaru WRX STIs for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 Subaru WRX STI 4.86 / 5 stars. - **52.0% of 2018 WRX STI models on CarGurus are accident free**. - The 2018 Subaru WRX STI boasts a turbocharged 2.5-liter boxer engine, delivering 305 horsepower and a thrilling all-wheel drive performance that enthusiasts crave. ## Why it stands out The 2018 Subaru WRX STI is a standout performer in the compact sports sedan segment, blending exhilarating power with standout style and all-weather capability. Inspired by Subaru’s rich motorsport heritage, the WRX STI is equipped with a turbocharged 2.5-liter flat-four engine, providing 305 horsepower for agile and precise handling. Enthusiasts appreciate its rugged performance combined with the practicality of all-wheel drive, making it suitable for both track days and daily driving. While the ride may be firm, this car delivers a thrilling driving experience, with many owners praising its responsive handling and the iconic sound of its engine. However, potential buyers should be aware of the higher price point and ensure that they are looking at models that have been well-maintained, as many WRX STIs often attract modification. ## Other model years to consider - **[2020 Subaru WRX STI](https://www.cargurus.com/Cars/l-Used-2020-Subaru-WRX-STI-c29850)** - Average price: $29,378.00 - Good/great deal percentage: 27.9% - User rating: 4.9 / 5 - Total listings: 219 - **[2015 Subaru WRX STI](https://www.cargurus.com/Cars/l-Used-2015-Subaru-WRX-STI-c25106)** - Average price: $18,698.00 - Good/great deal percentage: 29.0% - User rating: 5 / 5 - Total listings: 138 - **[2016 Subaru WRX STI](https://www.cargurus.com/Cars/l-Used-2016-Subaru-WRX-STI-c25107)** - Average price: $21,184.00 - Good/great deal percentage: 26.0% - User rating: 4.56 / 5 - Total listings: 204 This analysis is based on CarGurus' proprietary market data from March 30, 2026, CarGurus experts' opinions, and generative AI.