Used 2018 INFINITI Q50 for SaleNationwide

How much does the 2018 INFINITI Q50 cost?

Prices have softened 17.92% compared to this time last year, making it a favourable time to shop this model year.

There are 61 listings available, which suggests you have a reasonable amount of inventory to compare.

Is the 2018 INFINITI Q50 a good car?

Generally — the 4.47/5 user rating points to strong owner satisfaction. Drivers consistently praise its performance, features, and handling, and many specifically like the power and acceleration it delivers. The Q50 also fits well if you want a midsize premium sedan with a familiar formula, generous equipment, and all-weather appeal from standard all-wheel drive in Canada. With 32.8% of listings marked as good or great deals, there is still meaningful market choice if you want to shop carefully.

Is the 2018 INFINITI Q50 reliable?

Owners rate it 4.47/5, a solid signal of long-term satisfaction.

The owner feedback points to a car that feels dependable in daily use, with drivers highlighting performance and overall satisfaction over time. That said, some owners note that the cabin can feel less modern than newer rivals, so your ownership experience may depend on how much you value newer technology versus a proven, familiar package. For used buyers, the main long-term risk is less about outright satisfaction and more about whether the car’s age and feature set still match your expectations.

Is now a good time to buy a used 2018 INFINITI Q50?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you are patient and compare listings closely.

• Deal availability: 32.8% of listings are priced as good or great deals.
• Inventory: There are 61 listings available.
• Price trend: Prices have softened 17.92% compared with last year.

If you find a listing below $16,582 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 INFINITI Q50's resale value?

The current average of $17,562 CAD sits slightly below last year's $21,395 CAD.

That price movement suggests the market has already adjusted downward, which can make the car more attractive to you as a buyer today. For a future seller, it also means resale value may be more sensitive to condition, mileage, and equipment than to broad market momentum alone. If you buy well now, you may have a better chance of limiting depreciation later, especially if you keep the car in strong cosmetic and mechanical shape.

Vehicles with solid owner satisfaction ratings, like this model year's 4.47/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2018 INFINITI Q50 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:

• 32.8% of listings are priced as good or great deals.
• Price trend: Prices have softened 17.92% compared with last year.
• Owners rate it 4.47/5 — a solid satisfaction signal.

The bottom line: If you want the strongest mix of value, equipment, and owner satisfaction, the 2018 is the year to focus on. If your priority is stretching your budget as far as possible, a nearby year with a lower asking price may be worth considering, but the 2018 remains the better all-around target for shoppers who want a well-equipped premium sedan with proven appeal.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.