Used 2018 INFINITI Q50 for Sale near Colorado

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 powerful V6 engine.

• Starting at $14,759
• 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 breaking the bank. It's also the most popular trim in the lineup.

• Avg. market price: $14,759 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 227 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 the higher price of performance trims.

• Avg. market price: $15,900 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 55 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: $16,561 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 216 listings
• 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: $16,613 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 82 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 AWD premium.

• Avg. market price: $20,578 (updated weekly)
• MPG/MPGe: 20 city / 26 hwy
• Inventory: 94 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 all-wheel drive for enhanced traction.

• Avg. market price: $21,947 (updated weekly)
• MPG/MPGe: 19 city / 26 hwy
• Inventory: 124 listings — lower availability; may limit negotiating room
• View Red Sport 400 AWD listings

Trim Recommendations

Most Popular — 3.0t Luxe RWD

With 227 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 $14,759 avg market price — below the lineup median of $16,587 — 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 October 15, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 INFINITI Q50 cost?

Prices have softened 5.88% compared to this time last year, making it a favorable time to shop this model year.

There are 655 listings available, which gives you a solid pool of options to compare.

Is the 2018 INFINITI Q50 a good car?

Generally — the 2018 INFINITI Q50 earns a 4.47/5 user rating, which points to strong owner satisfaction. Drivers most often praise its performance, features, and handling, and many specifically like the power and acceleration it delivers. The overview also fits that feedback: you’re looking at a midsize premium sedan that emphasizes strong equipment and value, with a familiar, straightforward feel rather than a heavily reworked design. With 26.6% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2018 INFINITI Q50 reliable?

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

The user feedback points to a car that owners often describe as dependable in daily use, especially when it comes to performance and overall ownership experience. The recurring praise for its power, features, and handling suggests a model that many drivers feel good about keeping for the long term. For used buyers, that kind of satisfaction can reduce ownership risk, though you should still verify maintenance history and condition carefully.

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

At 47.3% 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 pre-purchase inspection, especially on bodywork, suspension, and any signs of uneven wear or repair quality. Because this model is often chosen for its performance and equipment, you’ll want to focus on how well the car has been maintained rather than just the trim level or feature list.

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 patiently and still find worthwhile listings.

• Deal availability: 26.6% of listings are priced as good or great deals.
• Inventory: There are 655 listings available.
• Price trend: Prices have softened 5.88% compared with last year.
• Clean inventory: 47.3% of listings are accident-free.

If you find a listing below $16,075, 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 $16,098 sits slightly below last year's $17,104.

That price movement suggests the market has cooled a bit, which can make the car easier to buy now but may also limit short-term upside if you plan to resell soon. If you’re a future seller, the softer pricing means condition, mileage, and service history will matter even more when it’s time to list. Strong examples should still attract interest because shoppers often respond well to a sedan with a good value proposition and strong owner satisfaction.

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:

• 26.6% of listings are priced as good or great deals.
• At 47.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 5.88% compared with last year.
• Owners rate it 4.47/5 — a solid satisfaction signal.

The bottom line:

The 2018 is a strong choice if you want the Q50’s mix of performance, equipment, and value, especially if you can find a clean example with a good service record. If you’re more price-sensitive, a nearby year may be worth comparing, but the 2018 stands out as a balanced pick when you want a well-equipped luxury sedan without stretching too far on price.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.