Used 2018 Kia Optima for SaleNationwide

How much does the 2018 Kia Optima cost?

Prices have softened 18.48% compared to this time last year, making it a favourable time to shop this model year.

There are 52 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2018 Kia Optima a good car?

Yes — the 2018 Kia Optima earns a 4.6/5 user rating, which points to strong owner satisfaction. Owners commonly praise its smooth ride, comfort, good fuel economy, spacious interior, and updated tech features. That mix of comfort and practicality helps it stand out for shoppers who want an easy daily driver, and 25% of listings are priced as good or great deals, which adds some shopping flexibility.

Is the 2018 Kia Optima reliable?

Owners rate it 4.6/5, a strong signal of long-term satisfaction.

The owner feedback also points to a dependable-feeling car with a smooth, comfortable driving experience and good fuel economy, which are traits many used buyers want for long-term ownership. At the same time, you should still check service records carefully, since some owners mention specific mechanical issues.

Is now a good time to buy a used 2018 Kia Optima?

This looks like a moderate, selective buyer’s market, so you have room to shop carefully rather than rush.

• Deal availability: 25% of listings are priced as good or great deals.
• Inventory: There are 52 listings available.
• Price trend: Prices have softened 18.48% compared with last year.

If you find a listing below $10,979 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 Kia Optima's resale value?

The current average of $10,979 CAD sits slightly below last year's $13,468 CAD.

That softer pricing can be a plus if you're buying now, but it also means future resale gains may be more limited unless the market tightens. If you plan to sell later, the current price level suggests you should focus on condition, mileage, and maintenance history to protect value. Vehicles with strong owner satisfaction ratings, like this model year's 4.6/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2018 Kia Optima 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:

• 25% of listings are priced as good or great deals.
• Price trend: Prices have softened 18.48% compared with last year.
• Owners rate it 4.6/5 — a strong satisfaction signal.

The bottom line: The 2018 Kia Optima makes sense if you want a well-liked used sedan with a lower average price and some deal opportunities in the market. If you're price-sensitive, this year is worth a close look; if you want to compare alternatives, nearby model years may still be useful for checking whether you can get a similar car with different pricing or inventory levels.

How does the 2018 Kia Optima compare to the 2018 Hyundai Sonata?

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.