Used 2018 Subaru WRX STI for Sale nearPortland, OR

How much does the 2018 Subaru WRX STI cost?

Prices have held steady compared to this time last year, signaling a stable and predictable market for this model year.

There are 264 listings available, which suggests a relatively limited pool of used examples to choose from.

Is the 2018 Subaru WRX STI a good car?

Generally — the 4.33/5 user rating points to strong owner satisfaction. Owners consistently praise the thrilling driving experience, powerful engine, smooth handling, and enjoyable sound, which fits the WRX STI’s purpose-built performance character. The overview also shows why it appeals if you want a focused performance sedan with standard all-wheel drive and enough practicality to work as a daily driver. With 26.5% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2018 Subaru WRX STI reliable?

Owners rate it 4.33/5, a solid signal of long-term satisfaction.

The owner feedback emphasizes a car that feels rewarding to live with over time, especially if you value dependable performance and a driving experience you can count on. That said, used examples in this segment can vary widely in how they were treated, so long-term ownership risk depends heavily on maintenance history and prior use. For you, the safest path is to prioritize well-documented examples that show consistent care.

What should I look for when buying a used 2018 Subaru WRX STI?

At 57.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether the car has had any accidents, modifications, or repeated ownership changes. Then put inspection priority on signs of hard use, since performance cars like this often see more aggressive driving than average. Focus on overall condition, maintenance records, and any evidence that the car has been kept close to stock.

Is now a good time to buy a used 2018 Subaru WRX STI?

This looks like a moderate, selective buyer’s market, so you can shop patiently and still find worthwhile listings.

• Deal availability: 26.5% of listings are priced as good or great deals.
• Inventory: There are 264 listings available.
• Price trend: Prices have held steady compared with last year.
• Clean inventory: 57.2% of listings are accident-free.

If you find a listing below $22,991, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 Subaru WRX STI's resale value?

The current average of $25,136 sits slightly below last year's $25,348.

That small decline suggests the market has been stable rather than volatile, which can help future sellers because pricing expectations stay easier to read. If you buy well and keep the car in strong condition, you should have a clearer path to resale than you would in a rapidly falling market. Demand should remain supported by the model’s enthusiast appeal and standard all-wheel drive.

Vehicles with solid owner satisfaction ratings, like this model year's 4.33/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2018 Subaru WRX STI or consider a different year?

If you're weighing the 2018 against nearby model years, here's how to think about it:

Choose the 2018 if:

• 26.5% of listings are priced as good or great deals.
• At 57.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have held steady compared with last year.
• Owners rate it 4.33/5 — a solid satisfaction signal.

The bottom line: If you want the 2018 Subaru WRX STI’s blend of performance, all-wheel-drive capability, and daily usability, this year makes sense as a primary target. If you are especially price-sensitive, you may want to compare nearby years and focus on the cleanest, best-documented example rather than chasing the lowest sticker price.

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.