Used 2018 INFINITI Q50 for Sale nearSeattle, WA

Compare 2018 INFINITI Q50 Trims in Seattle, WA

The 2018 INFINITI Q50 offers a range of trims from budget-friendly options to performance-oriented models, all featuring a stylish design and advanced technology.

• Starting at $10,598
• Best MPG/MPGe: 20 city / 29 hwy
• Most Popular: Red Sport 400 AWD

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.

Missing data displayed as "—".

Trim Deep Dives

3.0t Luxe RWD — "Who It's For"

The 3.0t Luxe RWD is the pick for shoppers who want luxury features without the higher price tag of sportier trims.

• Avg. market price: $13,195 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 14 listings — lower availability; may limit negotiating room
• View 3.0t Luxe RWD listings

3.0t Sport RWD — "Who It's For"

The 3.0t Sport RWD is the pick for shoppers who want a sporty feel without breaking the bank on luxury features.

• Avg. market price: $10,598 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 5 listings — lower availability; may limit negotiating room
• View 3.0t Sport RWD listings

3.0t Luxe AWD — "Who It's For"

The 3.0t Luxe AWD is the pick for shoppers who want all-wheel drive capability without a significant price increase.

• Avg. market price: $10,598 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 16 listings — lower availability; may limit negotiating room
• View 3.0t Luxe AWD listings

3.0t Sport AWD — "Who It's For"

The 3.0t Sport AWD is the pick for shoppers who want sporty performance with the added benefit of all-wheel drive.

• Avg. market price: $10,598 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 7 listings — lower availability; may limit negotiating room
• View 3.0t Sport AWD listings

Red Sport 400 RWD — "Who It's For"

The Red Sport 400 RWD is the pick for shoppers who want a powerful engine and luxury features without the AWD premium.

• Avg. market price: $10,598 (updated weekly)
• MPG/MPGe: 20 city / 26 hwy
• Inventory: 12 listings — lower availability; may limit negotiating room
• View Red Sport 400 RWD listings

Red Sport 400 AWD — "Who It's For"

The Red Sport 400 AWD is the pick for shoppers who want top-tier performance and luxury with all-wheel drive capability.

• Avg. market price: $10,598 (updated weekly)
• MPG/MPGe: 19 city / 26 hwy
• Inventory: 18 listings — lower availability; may limit negotiating room
• View Red Sport 400 AWD listings

Trim Recommendations

Most Popular — Red Sport 400 AWD

With 18 active listings, the Red Sport 400 AWD is the clear volume leader in the lineup.

Browse Red Sport 400 AWD listings

Best Budget Option — 3.0t Sport RWD

At $10,598 avg market price — below the lineup median of $10,598 — it's the most accessible entry point.

Browse 3.0t Sport RWD listings

Best for Fuel Economy — 3.0t Luxe RWD

The 3.0t Luxe RWD offers the best fuel economy in the lineup at 20/29 MPG.

Browse 3.0t Luxe RWD listings

These recommendations are based on CarGurus' proprietary market data from September 24, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 INFINITI Q50 cost?

Prices have softened 5.57% compared to this time last year, making it a favorable time to shop this model year.

There are 671 listings available, which gives you a decent amount of inventory to compare before you buy.

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 overview also shows why it appeals to you if you want a midsize premium sedan with generous standard equipment and a competitive price. 26.1% of listings are priced as good or great deals, which suggests there are still worthwhile opportunities in the market.

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 many drivers feel good about living with over time, especially when it comes to performance and overall ownership experience. That said, some owners mention a lack of modern technology features, so you should weigh that against the car’s strengths if you plan to keep it for the long haul. For used buyers, the main risk is ending up with a higher-mileage example that has not been maintained carefully.

What should I look for when buying a used 2018 INFINITI Q50?

At 45.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you commit, since accident history can affect both value and future ownership confidence. Put inspection priority on body condition, panel alignment, and signs of prior repair, then confirm that the car’s features and equipment work as expected. If possible, focus on examples with clean records and consistent maintenance, because condition matters a lot in a used luxury sedan.

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 compare listings carefully.

• Deal availability: 26.1% of listings are priced as good or great deals.
• Inventory: There are 671 listings available.
• Price trend: Prices have softened 5.57% compared with last year.
• Clean inventory: 45.9% of listings are accident-free.

If you find a listing below $16,074, 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 $16,318 sits slightly below last year's $17,281.

That price movement suggests the market has cooled a bit, which can work against you if you're selling soon. On the other hand, it can help you if you're buying now and want to avoid paying peak pricing. If you plan to resell later, a well-kept example with strong presentation and a clean history should be easier to move than one with visible wear or prior damage.

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:

• 26.1% of listings are priced as good or great deals.
• At 45.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 5.57% compared with last year.
• Owners rate it 4.47/5 — a solid satisfaction signal.

The bottom line: If you want a well-equipped luxury sedan with strong owner approval and a softer used-car price, the 2018 is the primary year to target. If you are especially price-sensitive, you can also compare nearby years to see whether a cleaner or better-priced example gives you more value for your budget.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.