Used 2018 Subaru WRX STI for Sale nearPhiladelphia, PA

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 255 listings available, which suggests a relatively limited pool of inventory for shoppers.

Is the 2018 Subaru WRX STI a good car?

Generally — the 2018 Subaru WRX STI earns a 4.33/5 user rating, which points to strong owner satisfaction. Owners consistently praise the thrilling driving experience, powerful engine, smooth handling, and enjoyable sound. The model’s appeal is strongest if you want a focused performance sedan with standard all-wheel drive and enough practicality to work as a daily driver. With 31.8% of listings marked as good or great deals, you still 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 also emphasizes that the car feels dependable in the ways that matter to enthusiasts: it delivers a consistent, enjoyable driving experience and strong performance over time. That said, used performance cars can carry more ownership risk if they’ve been driven hard, so condition and maintenance history matter a lot when you’re buying one.

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

At 58% 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, title issues, or repeated ownership changes. A pre-purchase inspection should be a priority, especially because performance cars can hide wear that isn’t obvious in photos. Focus on overall condition, maintenance records, and signs of hard use so you can separate a well-kept example from one that has been abused.

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

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

• Deal availability: 31.8% of listings are priced as good or great deals.
• Inventory: There are 255 listings available.
• Price trend: Prices have held steady compared with last year.
• Clean inventory: 58.0% of listings are accident-free.

If you find a listing below $22,995, 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 $24,941 sits slightly below last year's $25,108.

That small decline suggests the market has been fairly stable rather than sharply weakening. For a future seller, that kind of pricing pattern can be helpful because it points to predictable demand instead of a sudden drop in value. The model’s enthusiast appeal also helps support interest from buyers who want a performance sedan with a strong identity.

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:

• 31.8% of listings are priced as good or great deals.
• At 58% 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 strongest mix of current pricing stability, enthusiast appeal, and everyday usability, the 2018 is a sensible primary target. If you’re 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 22, 2026, CarGurus experts' opinions, and generative AI.