AutoSpecData

Infiniti QX55 Dimensions & Size

How much cargo space and room does a 2025 Infiniti QX55 really have?

The 2026 Infiniti QX55 measures 186.2 in long, 74.8 in wide, 63.8 in tall, on a 110.2 in wheelbase, with a curb weight of about 4,015 lbs.

Looking for weight? See the Infiniti QX55 curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2025):

The Infiniti QX55 measures 186.2 in long, 74.8 in wide and 63.8 in tall, on a 110.2 in wheelbase, weighing about 4,015 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenanceDimensionsCurb Weight

Infiniti QX55 Dimensions — All Years

YearBody / VariantLengthWidthHeightWheelbaseCurb Weight
2026QX55 4DR SUV AWD186.2 in74.8 in63.8 in110.2 in4,015 lbs
2025QX55 4DR SUV AWD186.2 in74.8 in63.8 in110.2 in4,015 lbs
2024QX55 4DR SUV AWD186.2 in74.8 in63.8 in110.2 in4,015 lbs
2023QX55 4DR SUV AWD186.2 in74.8 in63.8 in110.2 in4,015 lbs
2022QX55 4DR SUV AWD186.2 in74.8 in63.8 in110.2 in4,015 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

Infiniti QX55 data analysis

How Infiniti QX55 overall length varies

Across 5 configurations recorded for the 2022 through 2026 Infiniti QX55, overall length runs from 186 inches to 186 inches. The strongest figure belongs to the 2022 Infiniti QX55 (QX55 4DR SUV AWD) at 186 inches, and the weakest to the 2026 car (QX55 4DR SUV AWD) at 186 inches — a spread of 0%. The narrow spread means any year of the Infiniti QX55 in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2026

Average overall length for the 2026 Infiniti QX55 is 186 inches, against 186 inches for the 2025 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this Infiniti QX55 data

This page lists every 2022 through 2026 Infiniti QX55 record we hold for this measurement — 5 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Where these Infiniti QX55 figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Infiniti QX55 record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Will the Infiniti QX55 fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width
Fits

74.8 in wide (body only, mirrors folded) — about 21.2 in of total clearance, so roughly 11 in per side.

Garage door height
Clears

63.8 in tall — 20.2 in of headroom before roof rails, antennas, or a roof box are added.

Parking space
Fits a standard stall

186.2 in long leaves 29.8 in to spare in an 18 ft space, and 33.2 in of side clearance in a 9 ft one.

Its wheelbase (110.2 in) accounts for about 59% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the Infiniti QX55 curb weight to pair footprint with mass.

Frequently Asked Questions About QX55 Dimensions

How long is the Infiniti QX55?

The Infiniti QX55 is 186.221 inches long, 74.8031 inches wide and 63.7795 inches tall. That is roughly 15.5 feet — compare it with your garage depth before buying.

Will the Infiniti QX55 fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 186.221 in long and 74.8031 in wide, the Infiniti QX55 fits with 54 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the Infiniti QX55 weigh?

Curb weight for the Infiniti QX55 is about 4,015 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.

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