INFINITI QX55: Complete Guide to the Luxury Coupe-Style SUV in 2026

The INFINITI QX55 is a distinctive luxury crossover that combines the practical foundation of a compact SUV with the sleek proportions of a coupe. Produced for the 2021–2025 model years, the QX55 was designed for buyers who wanted a more expressive alternative to traditional compact luxury SUVs. For 2025, the QX55 remained largely unchanged and represented the final model year before INFINITI discontinued the model.

Even though the QX55 is no longer a new vehicle for 2026, it remains relevant for shoppers looking at used and remaining-new inventory. Its standard all-wheel drive, 268-horsepower turbocharged engine, distinctive fastback roofline, premium interior, and strong list of standard technology make it an interesting choice in the pre-owned luxury crossover market.

INFINITI QX55 Design and Exterior Styling

The most recognizable feature of the INFINITI QX55 is its exterior design. Rather than using the conventional upright shape of the QX50, the QX55 adopts a coupe-inspired roofline that slopes toward the rear. This gives the SUV a sportier silhouette while maintaining the higher seating position and practical access associated with a crossover.

The QX55 measures approximately 186.3 inches long, 74.9 inches wide, and 63.8 inches tall, with a 110.2-inch wheelbase. Its dimensions make it relatively easy to maneuver in urban environments while still providing useful interior space. INFINITI lists approximately 8.6 inches of ground clearance, giving the vehicle reasonable capability for ordinary roads, driveways, and light unpaved surfaces.

Standard exterior equipment varies by trim, but the 2025 range includes Luxe, Essential, and Sensory grades. Features available throughout the lineup include LED lighting, roof rails, a power liftgate, heated mirrors, and a sunroof, with higher trims adding more premium exterior and convenience equipment.

The styling is one of the main reasons buyers consider the QX55 instead of a conventional compact luxury SUV. The sloping rear design creates a distinctive appearance without eliminating the vehicle’s five-seat configuration.

INFINITI QX55 Engine, Performance, and AWD

Every 2025 INFINITI QX55 uses the same 2.0-liter VC-Turbo four-cylinder engine. The variable-compression turbocharged engine produces 268 horsepower at 5,600 rpm and 280 lb-ft of torque, paired with a continuously variable transmission (CVT). Unlike many competitors that offer front-wheel drive as their base configuration, the QX55 comes with standard all-wheel drive.

INFINITI’s Intelligent All-Wheel Drive system is designed to distribute engine power according to traction requirements. This makes the QX55 particularly relevant to drivers who regularly encounter rain, snow, slippery pavement, or changing road conditions. AWD does not transform the QX55 into an off-road vehicle, but it provides an additional layer of traction for normal driving.

Performance is respectable for a compact luxury crossover. INFINITI lists an approximately 6.4-second 0–60 mph time, while independent testing from Edmunds also recorded 6.4 seconds. The QX55 is therefore capable of providing brisk acceleration, although its CVT and power delivery characteristics can feel different from a conventional automatic transmission.

The vehicle’s four-wheel independent suspension and standard AWD contribute to predictable road behavior. Buyers seeking a performance-focused luxury SUV should understand, however, that the QX55’s primary emphasis is its styling, comfort, and everyday usability, rather than outright sports-car performance.

INFINITI QX55 Fuel Economy and Dimensions

Fuel economy is an important consideration when evaluating the QX55’s turbocharged powertrain. Official specifications list approximately 22 mpg city, 28 mpg highway, and 25 mpg combined. The vehicle uses a 16-gallon fuel tank, while premium unleaded gasoline is recommended.

The QX55’s interior packaging is one of its stronger practical characteristics. The vehicle provides seating for five passengers, with 39.9 inches of front headroom and 36.9 inches in the second row. Front legroom measures 39.6 inches, while rear legroom is approximately 38.7 inches. These measurements give the QX55 a useful amount of passenger space despite its coupe-style roof.

Cargo capacity is approximately 26.9 cubic feet behind the second row and expands to 54.1 cubic feet with the rear seats folded. That gives the QX55 enough flexibility for groceries, luggage, shopping trips, and everyday recreational equipment.

The trade-off is the sloping roof. Compared with a more conventional SUV, the QX55 sacrifices some cargo and rear headroom in exchange for its distinctive fastback profile. Buyers who prioritize maximum cargo volume may therefore prefer a traditional SUV shape.

INFINITI QX55 Trims and Interior Features

The 2025 QX55 was offered in three main trim levels: Luxe, Essential, and Sensory. All three use the same engine, transmission, and AWD system, so the primary differences concern comfort, technology, materials, and convenience equipment.

The QX55 Luxe provides a substantial standard equipment list, including 20-inch wheels, leather upholstery, heated front seats, power-adjustable front seats, a sunroof, dual-zone automatic climate control, a power liftgate, and smartphone integration.

The QX55 Essential adds desirable upgrades such as ventilated front seats, a surround-view camera, and enhanced Bose audio equipment. This trim is particularly notable for buyers who want additional comfort and technology without moving to the highest-priced configuration.

At the top of the range, the QX55 Sensory emphasizes luxury. Depending on equipment, it can include semi-aniline leather-appointed seating, premium interior trim, a Head-Up Display, advanced climate-control technology, and additional upscale details. INFINITI’s official materials also highlight available Black Natural Maple Wood interior trim and a motion-activated liftgate.

Technology and Safety in the INFINITI QX55

The QX55 combines its premium cabin with a technology package designed for daily driving. Depending on trim, equipment includes a dual-screen infotainment setup, Apple CarPlay, Android Auto, Bose audio, wireless charging, navigation-related functions, and parking assistance. The 2025 Essential specification, for example, includes Bose premium audio, smartphone integration, wireless charging, front and rear parking sensors, and a camera system.

Safety and driver-assistance technology is another important part of the QX55. Standard or available features include forward-collision warning, automatic emergency braking, blind-spot monitoring, rear cross-traffic alert, lane-keeping assistance, and adaptive cruise control.

For a luxury crossover approaching the end of its production cycle, these features help the QX55 remain competitive as a used vehicle. Buyers should nevertheless check the exact equipment fitted to an individual vehicle because features can vary according to trim and optional packages.

INFINITI QX55 Price, Warranty, and 2026 Used-Car Market

The 2025 QX55 started at approximately $50,150 before destination charges for the Luxe according to Edmunds, while the Essential trim carried a higher starting price. Current used-market pricing varies considerably according to mileage, condition, location, equipment, and remaining warranty coverage.

The QX55 was covered by a 4-year/60,000-mile basic warranty and a 6-year/70,000-mile powertrain warranty, with complimentary scheduled maintenance listed for three years or 22,500 miles.

For 2026 shoppers, the discontinuation of the QX55 is especially important. INFINITI confirms that the vehicle was available from 2021 through 2025, making the 2025 model the final version. Industry reporting in 2025 also documented INFINITI’s decision to end QX55 sales as the company shifted its focus toward its newer lineup.

That does not mean parts or servicing suddenly disappear. Instead, shoppers should focus on vehicle condition, maintenance records, warranty status, software and infotainment condition, tires, brakes, and the AWD system when evaluating a used QX55.

Is the INFINITI QX55 Still Relevant in 2026?

The INFINITI QX55 remains a distinctive option for buyers who want a luxury crossover with a coupe-inspired design, standard AWD, five-passenger seating, and a relatively powerful turbocharged engine. Its 268 horsepower, 280 lb-ft of torque, 25-mpg combined rating, and 54.1-cubic-foot maximum cargo capacity create a useful combination of performance and practicality.

Its biggest defining characteristic is arguably its styling. The QX55 gives buyers the visual character of a coupe while retaining considerably more utility than a conventional sedan. The compromise is that the sloping roof reduces some cargo and rear headroom compared with a boxier SUV.

For 2026, the QX55 is best understood as a discontinued luxury crossover available primarily through the used market. Buyers interested in the model should compare individual vehicles based on trim, mileage, service history, equipment, and asking price rather than assuming every QX55 has identical specifications.

Frequently Asked Questions About the INFINITI QX55

Is the INFINITI QX55 discontinued?
Yes. INFINITI lists the QX55 as a discontinued vehicle available from 2021–2025, making 2025 its final model year.

Does every INFINITI QX55 have AWD?
Yes. All QX55 models use all-wheel drive as their drivetrain configuration.

How much horsepower does the QX55 have?
The 2.0-liter VC-Turbo engine produces 268 horsepower and 280 lb-ft of torque.

How many people can the QX55 seat?
The QX55 is a five-passenger luxury crossover SUV.

How much cargo space does the QX55 have?
It provides approximately 26.9 cubic feet behind the second row and 54.1 cubic feet with the rear seats folded.

What fuel economy does the QX55 get?
The 2025 QX55 is rated at approximately 22 mpg city, 28 mpg highway, and 25 mpg combined.

What are the QX55 trim levels?
The 2025 lineup consists of Luxe, Essential, and Sensory trims.