The 2016 Infiniti Trucks QX70 belongs to the era when Infiniti was blending sport-oriented crossover styling with luxury-SUV presence, giving the model a distinctly athletic stance compared with more upright utility vehicles. Tire selection matters because that stance and proportion are closely tied to wheel diameter. The 2016 Infiniti Trucks QX70 uses radial tires, with fitments in 265/60R18, 265/50R20, and 265/45R21. That means the main decision is not bias-ply versus radial, but identifying which wheel package is on the vehicle and choosing the right modern tire profile to match it. For original-style appearance and proper fitment, wheel diameter and actual vehicle setup should be confirmed before replacement.
Which Tire Size Is Right for The 2016 Infiniti Trucks QX70
Three tire sizes apply to the 2016 Infiniti Trucks QX70, and the key difference between them is wheel diameter rather than construction, since all three are radial fitments. The first step is confirming whether the vehicle is running 18-inch, 20-inch, or 21-inch wheels, because each size is tied to a different wheel package on the QX70 Base.
The size 265/45R21 identifies a metric radial tire with a 265-millimeter nominal section width, a 45-series aspect ratio, and fitment for a 21-inch wheel. On the 2016 Infiniti Trucks QX70, this is the lowest-profile fitment of the three primary sizes and is tied to the largest wheel diameter used on the model. Its overall diameter remains very close to the other QX70 sizes, so the real distinction is wheel size and sidewall profile rather than a major change in tire height. This size should be chosen only after confirming that the vehicle is actually equipped with 21-inch wheels.
The size 265/50R20 is a metric radial format, meaning 265 millimeters of nominal section width, a 50-series aspect ratio, and a 20-inch rim diameter. For the 2016 Infiniti Trucks QX70, it serves as the middle wheel-and-tire package, balancing the same nominal width with a slightly taller sidewall than the 21-inch fitment. Its dimensions stay close to the other two primary sizes, but it is still a distinct fitment because the wheel diameter changes. This size makes sense only when the QX70 is fitted with 20-inch wheels rather than 18-inch or 21-inch rims.
The size 265/60R18 follows the same metric radial system, with a 265-millimeter nominal section width, a 60-series aspect ratio, and fitment on an 18-inch wheel. On the 2016 Infiniti Trucks QX70, this is the tallest-sidewall primary option and pairs with the smallest rim diameter used on the model. Even though its overall diameter is still close to the 20-inch and 21-inch fitments, the wheel requirement is different and must be matched correctly. This size should be evaluated when the vehicle retains 18-inch wheels or when the current wheel setup has been carefully confirmed.
The covered QX70 sub-model fitment is straightforward in one sense and very specific in another. The QX70 Base can use more than one tire size, so identifying the actual wheel diameter on the vehicle matters more than trim naming alone when selecting a replacement tire.
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2016 Infiniti Trucks QX70 Base
The 2016 Infiniti Trucks QX70 Base uses radial tire fitments in three different sizes, with the choice tied to whether the vehicle has 18-inch, 20-inch, or 21-inch wheels. Tire selection starts with confirming the wheel package currently on the vehicle, then matching the correct metric radial size to that setup.
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Frequently Asked Questions
Owners of a 2016 Infiniti Trucks QX70 usually need to sort out wheel diameter first, then confirm the correct radial size for that setup. These FAQs focus on size meaning, rim fitment, selection factors, modifications, and road-use checks.
Tire Size & Fitment
What tire size fits a 2016 Infiniti Trucks QX70?
The 2016 Infiniti Trucks QX70 uses three primary tire sizes: 265/60R18, 265/50R20, and 265/45R21. All three are radial fitments, and each size corresponds to a different wheel diameter rather than a different tire construction type.
Choosing the right one starts with the wheels actually on the vehicle. A QX70 with 18-inch wheels needs 265/60R18, a 20-inch setup needs 265/50R20, and a 21-inch setup needs 265/45R21. If the vehicle has changed hands or has aftermarket wheels, checking the wheel markings and current tire sidewalls before replacement is the safest approach.
What size rim does a 2016 Infiniti Trucks QX70 use?
The 2016 Infiniti Trucks QX70 uses three rim diameters across its tire fitments: 18 inches, 20 inches, and 21 inches. Those rim diameters pair with 265/60R18, 265/50R20, and 265/45R21 respectively, and all are radial applications.
Rim diameter is the first fitment detail to verify because a tire must match the wheel diameter exactly. A 20-inch tire cannot be mounted on an 18-inch or 21-inch wheel, even if the width appears similar. Looking at the sidewall size already on the vehicle and confirming the wheel size directly helps prevent ordering the right width in the wrong diameter.
Why does the 2016 Infiniti Trucks QX70 have more than one tire size?
The 2016 Infiniti Trucks QX70 has more than one tire size because it was fitted with different wheel diameters. The three sizes share the same nominal width of 265 millimeters, but they use different aspect ratios to work with 18-inch, 20-inch, and 21-inch rims.
That is why the sizes look related but are not interchangeable without changing wheels. The overall diameters stay close, yet the tire must still match the wheel it is going on. For a replacement, the practical question is not which size looks similar on paper, but which one matches the wheel package currently installed on the QX70.
Choosing the Right Tire
What should I consider when choosing a 2016 Infiniti Trucks QX70 tire?
Start with the correct primary size for the wheel diameter on the vehicle: 265/60R18, 265/50R20, or 265/45R21. Since every fitment for the 2016 Infiniti Trucks QX70 is radial, the main selection factors are proper sizing, wheel compatibility, and choosing a tire that suits the vehicle’s intended road use.
It also helps to confirm whether the QX70 still has its original wheel package or has been changed to a different diameter. A tire in the correct width but wrong rim size will not work, and even close overall dimensions do not override wheel fitment. Checking current wheel size, sidewall markings, and clearance around the suspension and fenders keeps the choice focused and accurate.
How do I choose between the available 265/45R21, 265/50R20, and 265/60R18 tires for a 2016 Infiniti Trucks QX70?
The choice between 265/45R21, 265/50R20, and 265/60R18 is determined by wheel diameter first. Each size belongs to a specific rim size on the 2016 Infiniti Trucks QX70, so the vehicle’s actual 18-inch, 20-inch, or 21-inch wheel setup decides which tire size belongs on it.
Once wheel size is confirmed, compare replacement tires within that exact size rather than across all three. That keeps the fitment process straightforward and avoids treating similar overall dimensions as interchangeable. On a QX70 that has been modified, wheel width, offset, and suspension height are also worth checking before settling on the final tire choice.
What rim-fitment details matter when choosing 2016 Infiniti Trucks QX70 tires?
The most important rim-fitment detail is diameter, because the 2016 Infiniti Trucks QX70 uses 18-inch, 20-inch, and 21-inch wheel applications. The tire size must match that diameter exactly, with 265/60R18 for 18-inch wheels, 265/50R20 for 20-inch wheels, and 265/45R21 for 21-inch wheels.
Beyond diameter, actual wheel width and any aftermarket offset changes can influence how a replacement tire sits on the vehicle. Those factors become especially important if the QX70 no longer has its original wheels. A quick check of wheel markings, current sidewall size, and visible clearance at full steering lock helps confirm that the intended tire still suits the vehicle’s setup.
Restoration & Appearance
Does correct tire fitment matter for a 2016 Infiniti Trucks QX70 restoration?
Correct tire fitment still matters on a 2016 Infiniti Trucks QX70, even though it is a modern luxury crossover rather than a vintage restoration project. The three primary sizes are tied to distinct wheel diameters, so keeping the proper 18-inch, 20-inch, or 21-inch tire-and-wheel relationship preserves the vehicle’s intended stance and overall presentation.
Appearance can change noticeably when the wheel package or tire profile changes, even if the tire width remains 265 millimeters. For a restoration-minded owner, that means confirming what wheel setup belongs on the specific vehicle before replacing tires. If originality is important, comparing the current wheels and tires against vehicle-specific reference material is a sensible extra step.
How does tire sizing affect the appearance of a 2016 Infiniti Trucks QX70?
Tire sizing affects the look of a 2016 Infiniti Trucks QX70 because the model uses the same nominal width with three different wheel diameters and sidewall proportions. A 265/60R18 presents more sidewall, while 265/50R20 and especially 265/45R21 create a progressively larger-wheel, lower-profile appearance.
That makes size selection partly a fitment issue and partly a visual one, but the wheel already on the vehicle still determines what belongs there. Changing to a different tire size means changing the wheel diameter as well, not just the tire. Owners trying to preserve the QX70’s original look should verify the existing wheel package before making cosmetic changes.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2016 Infiniti Trucks QX70?
Yes, modifications can affect tire fitment on a 2016 Infiniti Trucks QX70. Aftermarket wheels, suspension changes, altered ride height, and body or fender modifications can all influence whether the original 265/60R18, 265/50R20, or 265/45R21 sizing still has proper clearance and wheel compatibility.
That matters because the QX70 already spans three wheel diameters from the factory-style fitments. A vehicle that has been lowered, fitted with different offsets, or changed to nonstandard wheels should be checked at the wheel, not judged only by model year and trim. Steering clearance, fender clearance, and the exact wheel size are the practical items to confirm before replacing tires.
What should I inspect before driving a 2016 Infiniti Trucks QX70 on new tires?
Before driving a 2016 Infiniti Trucks QX70 on new tires, inspect basic installation and condition items first. Confirm that the tire size matches the wheel diameter, check inflation pressure, and look over the tires for any visible mounting damage, air loss, cuts, bulges, or uneven seating at the rim.
A short follow-up inspection after the first miles is also worthwhile, especially on a vehicle with 20-inch or 21-inch wheels where curb damage or prior wheel issues may already exist. It helps to verify that the tires clear the suspension and fenders through full steering travel. Wheel fastener torque and alignment condition are also worth checking before longer highway use.
What should I check before a longer drive in a 2016 Infiniti Trucks QX70?
Before a longer drive in a 2016 Infiniti Trucks QX70, make sure the vehicle is wearing the correct tire size for its wheels and that all four tires are in sound condition. Pressure, tread condition, visible cracking, punctures, bulges, and any signs of slow air loss deserve attention before the trip begins.
Longer drives also put more importance on wheel condition and alignment, particularly if the QX70 has low-profile 20-inch or 21-inch tires. A quick walkaround can catch uneven wear or damage that is easy to miss during routine use. On a recently purchased or modified vehicle, confirming wheel diameter and overall clearance is a smart precaution before extended road time.
