Used 2018 INFINITI Q50 for Sale near Illinois

Compare 2018 INFINITI Q50 Trims

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 $14,939
• Best MPG/MPGe: 20 city / 29 hwy
• Most Popular: 3.0t Luxe RWD

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 a well-equipped luxury sedan without paying for higher trims. It's also the most popular trim in the lineup.

• Avg. market price: $14,939 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 229 listings
• 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 driving experience without stepping up to the performance-focused trims.

• Avg. market price: $16,034 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 62 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: $16,263 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 197 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 a sporty feel combined with all-weather capability.

• Avg. market price: $17,659 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 85 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 high-performance luxury sedan without the added weight of AWD.

• Avg. market price: $20,409 (updated weekly)
• MPG/MPGe: 20 city / 26 hwy
• Inventory: 91 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 with the added benefit of all-wheel drive.

• Avg. market price: $21,009 (updated weekly)
• MPG/MPGe: 19 city / 26 hwy
• Inventory: 145 listings — lower availability; may limit negotiating room
• View Red Sport 400 AWD listings

Trim Recommendations

Most Popular — 3.0t Luxe RWD

With 229 active listings, the 3.0t Luxe RWD is the clear volume leader in the lineup.

Browse 3.0t Luxe RWD listings

Best Budget Option — 3.0t Luxe RWD

At $14,939 avg market price — below the lineup median of $16,961 — it's the most accessible entry point.

Browse 3.0t Luxe 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 November 12, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 INFINITI Q50 cost?

Prices have softened 3.56% compared to this time last year, making it a favorable time to shop this model year.

There are 684 listings available, which gives you a solid amount of inventory to compare before you buy.

Is the 2018 INFINITI Q50 a good car?

Yes — the 2018 INFINITI Q50 earns a 4.5/5 user rating, which 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 frames it as a good fit if you want a powerful, well-equipped luxury sedan with solid value rather than the newest design trends. With 30.6% of listings marked as good or great deals, you have a meaningful chance to find a competitive offer.

Is the 2018 INFINITI Q50 reliable?

Owners rate it 4.5/5, a strong signal of long-term satisfaction.

The review summary also points to a car that owners feel good about living with over time, especially when it comes to dependable performance and the confidence that comes from a well-liked ownership experience. For used buyers, that suggests the bigger risk is less about broad owner dissatisfaction and more about finding a specific example that has been maintained well and still feels tight after years of use.

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

At 46.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from cars with prior damage. After that, prioritize a thorough pre-purchase inspection, especially if the listing price looks unusually attractive. Focus on overall condition, signs of past repairs, and whether the car still feels consistent with the performance-oriented character buyers expect from this model.

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

This is a moderate market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 30.6% of listings are priced as good or great deals.
• Inventory: There are 684 listings available.
• Price trend: Prices have softened 3.56% compared with last year.
• Clean inventory: 46.2% of listings are accident-free.

If you find a listing below $16,070, 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 $16,075 sits slightly below last year's $16,669.

That softer pricing suggests the model has already moved through some of its depreciation, which can help future sellers if they buy at the right price. The current market also shows enough demand to keep the car relevant, especially for shoppers who want performance and value in a premium sedan. If you maintain the car well and buy carefully, you may be better positioned to limit losses when it is time to sell.

Vehicles with strong owner satisfaction ratings, like this model year's 4.5/5, 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:

• 30.6% of listings are priced as good or great deals.
• At 46.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 3.56% compared with last year.
• Owners rate it 4.5/5 — a strong satisfaction signal.

The bottom line: The 2018 is a strong choice if you want a well-equipped luxury sedan with a favorable price trend and broad market availability. If you are especially price-sensitive, you may want to compare nearby years and focus on the cleanest, best-maintained example rather than chasing the lowest sticker price alone.

How does the 2018 INFINITI Q50 compare to the 2018 BMW 3 Series?

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