Used 2018 INFINITI Q50 for Sale nearNew Haven, CT

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 $15,120
• 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.

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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: $15,120 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 250 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 with luxury features without the higher price tag of performance trims.

• Avg. market price: $17,485 (updated weekly)
• MPG/MPGe: 20 city / 29 hwy
• Inventory: 63 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 sacrificing luxury and comfort.

• Avg. market price: $16,495 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 237 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 performance-oriented sedan with the added benefit of all-wheel drive.

• Avg. market price: $17,130 (updated weekly)
• MPG/MPGe: 19 city / 27 hwy
• Inventory: 72 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 going for the AWD option.

• Avg. market price: $20,638 (updated weekly)
• MPG/MPGe: 20 city / 26 hwy
• Inventory: 101 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 the added confidence of all-wheel drive.

• Avg. market price: $20,305 (updated weekly)
• MPG/MPGe: 19 city / 26 hwy
• Inventory: 114 listings — lower availability; may limit negotiating room
• View Red Sport 400 AWD listings

Trim Recommendations

Most Popular — 3.0t Luxe RWD

With 250 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 $15,120 avg market price — below the lineup median of $17,307 — 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 September 2, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 INFINITI Q50 cost?

Prices have softened 5.36% compared to this time last year, making it a favorable time to shop this model year.

There are 686 listings available, which gives you a modest amount of inventory to compare before you buy.

If you find a listing below $16,072.80, that's toward the low end of the year-round range and worth acting on quickly.

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 also like the power and acceleration it delivers.

The overview fits that feedback: you’re looking at a midsize premium sedan that emphasizes power, equipment, and value, with a familiar formula rather than a radically different redesign. That makes it a good fit if you want a luxury sedan with a strong feature set and a sporty feel.

With 25.7% of listings marked as good or great deals, you have a meaningful chance to find a competitive price if you shop carefully.

Is the 2018 INFINITI Q50 reliable?

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

The owner feedback also points to a car that many drivers feel good about living with over time, especially because they praise its performance, features, and handling. That kind of repeat satisfaction usually matters when you’re trying to judge whether a used luxury sedan will feel dependable after the sale.

For used buyers, the main long-term ownership risk is less about enthusiasm and more about making sure the specific car you choose has been maintained well and hasn’t been compromised by prior damage or neglect.

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

At 47.7% 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 accident records. After that, prioritize a thorough inspection of body panels, paint consistency, interior wear, and any signs that the car may have been repaired after a collision.

Because this model is valued for its performance and equipment, you should also focus on how well the car drives and whether all features work as expected. A clean history and a careful condition check matter more here than simply chasing the lowest price.

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’re patient and compare listings closely.

• Deal availability: 25.7% of listings are priced as good or great deals.
• Inventory: There are 686 listings available.
• Price trend: Prices have softened 5.36% compared with last year.
• Clean inventory: 47.7% of listings are accident-free.

If you find a listing below $16,072.80, 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 $16,426 sits slightly below last year's $17,356.

That price movement suggests the model has softened enough to create a more attractive entry point for used buyers, but it also means future sellers may need to price competitively to stand out. If you buy well now and keep the car in strong condition, you may be better positioned when it’s time to resell.

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:

• 25.7% of listings are priced as good or great deals.
• At 47.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 5.36% compared with last year.
• Owners rate it 4.47/5 — a solid satisfaction signal.

The bottom line: You should focus on the 2018 if you want a well-equipped luxury sedan with strong owner approval and a softer current price than last year. If you’re especially price-sensitive, a nearby model year may still be worth comparing, but the 2018 stands out as the better starting point when you want a balance of value, performance, and buyer demand.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.