Used 2018 INFINITI QX80 for Sale Nationwide
507 results
CarGurus Analysis:
2018 INFINITI QX80
With 507 currently listed for sale and an average price of $20,249.00, 35.7% of 2018 INFINITI QX80s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 INFINITI QX80 4.6 / 5 stars.
69.4% of 2018 QX80 models on CarGurus are accident free.
The 2018 INFINITI QX80 is known for its excellent ride quality, attractive design, and abundance of safety features, though it has been noted as a gas guzzler.
CarGurus Analysis: 2018 INFINITI QX80

Summary
With 507 currently listed for sale and an average price of $20,249.00, 35.7% of 2018 INFINITI QX80s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 INFINITI QX80 4.6 / 5 stars.
69.4% of 2018 QX80 models on CarGurus are accident free.
The 2018 INFINITI QX80 is known for its excellent ride quality, attractive design, and abundance of safety features, though it has been noted as a gas guzzler.
Why it stands out
The 2018 INFINITI QX80 is distinctively positioned as a luxury SUV that competes effectively in a crowded market filled with offerings from manufacturers like Lincoln and Cadillac. It features an impressive blend of power, space, and advanced safety technology that enhances its appeal for families and luxury buyers alike. The QX80 is recognized for its smooth ride quality and a well-appointed interior, setting it apart from some competitors which may prioritize utility over comfort. While some may be disappointed with its fuel economy, which is a common trade-off within this class of large SUVs, the value it provides in terms of its features and capabilities makes it a compelling option for those seeking a cost-effective luxury vehicle.
Other model years to consider
- Average price: $44,654.00
- Good/great deal percentage: 31.3%
- User rating: 5 / 5
- Total listings: 1,248
- Average price: $79,690.00
- Good/great deal percentage: 31.5%
- User rating: 5 / 5
- Total listings: 1,144
- Average price: $24,281.00
- Good/great deal percentage: 37.7%
- User rating: 5 / 5
- Total listings: 541
This analysis is based on CarGurus' proprietary market data from April 13, 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.
4.6 Overall rating
Filter by rating
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.
See more price trends








