Used 2018 INFINITI QX80 for Sale near Houston, TX
88 results
CarGurus Analysis:
2018 INFINITI QX80
With 77 currently listed for sale near Houston, TX and an average price of $19,199.00, 24.7% of 2018 INFINITI QX80s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 INFINITI QX80 4.29 / 5 stars.
72.7% of 2018 QX80 models on CarGurus are accident free.
The 2018 INFINITI QX80 impresses with its excellent ride quality, attractive design, and an abundance of safety features, making it a desirable choice among luxury SUVs.
CarGurus Analysis: 2018 INFINITI QX80

Summary
With 77 currently listed for sale near Houston, TX and an average price of $19,199.00, 24.7% of 2018 INFINITI QX80s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 INFINITI QX80 4.29 / 5 stars.
72.7% of 2018 QX80 models on CarGurus are accident free.
The 2018 INFINITI QX80 impresses with its excellent ride quality, attractive design, and an abundance of safety features, making it a desirable choice among luxury SUVs.
Why it stands out
The 2018 INFINITI QX80 stands out as a strong contender in the luxury SUV market, providing a blend of performance, comfort, and advanced features. With its spacious interior, smooth ride, and quality craftsmanship, it has earned high marks from owners. Notable features include a powerful V8 engine, a comprehensive safety suite, and premium materials used throughout the cabin. Although fuel efficiency may be a concern due to its size and engine type, the QX80 compensates with ample cargo space and luxury tech offerings. Moreover, its redesigned aesthetic and technological enhancements over previous generations further bolster its appeal. Overall, the QX80 remains a good value in the luxury SUV segment, catering to buyers seeking both style and substance.
Other model years to consider
- Average price: $44,507.00
- Good/great deal percentage: 77.0%
- User rating: 4.8 / 5
- Total listings: 139
- Average price: $78,047.00
- Good/great deal percentage: 72.1%
- User rating: 5 / 5
- Total listings: 136
- Average price: $25,404.00
- Good/great deal percentage: 24.1%
- User rating: 5 / 5
- Total listings: 79
This analysis is based on CarGurus' proprietary market data from March 19, 2026, CarGurus experts' opinions, and generative AI.
Relevant articles

2026 Infiniti QX80 Pricing, Specs, and Release Date
Fresh from last year's complete redesign, the 2026 Infiniti QX80 full-size luxury SUV sees a slight change in its trim lineup but otherwise remains the same.

Infiniti QX80 Buying Guide: Cost, Reliability, and the Best Years to Buy
Discover the ultimate buying guide for purchasing a used Infiniti QX80, covering every generation since 2004. Whether you're a first-time buyer or an Infiniti enthusiast, this comprehensive overview will help you research your next pre-owned Infiniti QX80.

Who Makes Infiniti Cars?
Infiniti is a Japanese luxury brand that is the premium division of Nissan Motor Corporation. It makes one sedan (for now) and SUVs. It is a level above its Nissan counterparts, but its products are often outpaced by the likes of Acura and Lexus.
4.3 Overall rating
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William H
Reviewed a 2018 INFINITI QX80 on Dec 17, 2022
Great vehicle , need the room. Love the color too.
Adrian D
Reviewed a 2018 INFINITI QX80 on Mar 15, 2022
Superb vehicle other than the fuel mileage. Good value.
Daryl T
Reviewed a 2018 INFINITI QX80 on Jul 30, 2022
Excellent ride. Lots of features that most other high end suvs dont have. I didnt buy it for the MPG. Has stunning looks.
Anonymous
Reviewed a 2018 INFINITI QX80 on Jul 12, 2021
Lots of safety features and good power. . Ride not as soft as I might have expected.
2018 INFINITI QX80 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 INFINITI QX80 prices has changed over time.
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