The 2026 Lexus Trucks TX350 sits in the modern three-row luxury crossover space, where quiet road manners, upscale presentation, and everyday usability matter just as much as curb appeal. Buyers usually arrive at this page knowing the vehicle is recent, refined, and often equipped with trim-specific wheel packages that shape tire choice. For the 2026 Lexus Trucks TX350, the primary fitments are 255/55R20 and 255/45R22, both radial sizes with the same overall diameter but different wheel diameters. That makes the real decision less about vintage-style construction and more about confirming the exact sub-model and wheel setup. Once that is settled, the focus shifts to proper size selection, rim compatibility, and routine road-use checks.
Which Tire Size Is Right for The 2026 Lexus Trucks TX350
The 2026 Lexus Trucks TX350 uses two primary tire sizes, and the right one depends first on the exact sub-model and wheel diameter. Both sizes are radial fitments, but one mounts on a 20-inch wheel and the other on a 22-inch wheel, so confirming the actual wheel setup is the key first step before comparing tire choices or replacement priorities.
255/55R20 is a modern metric radial size in which 255 represents section width in millimeters, 55 is the aspect ratio, R indicates radial construction, and 20 is the wheel diameter in inches. On the 2026 Lexus Trucks TX350, this size serves trims equipped with 20-inch wheels and suits the vehicle's modern crossover tire layout. Its dimensions place it in the mainstream replacement world, which is useful for owners focused on keeping the correct wheel diameter and overall stance. This size is the right path only when the TX350 is actually running the 20-inch setup.
255/45R22 follows the same metric radial sizing system, with a 255-millimeter section width, a 45-series profile, radial construction, and a 22-inch wheel diameter. For the 2026 Lexus Trucks TX350, this size belongs to trims fitted with 22-inch wheels and gives the vehicle a lower-profile tire presentation than the 20-inch package. Even though it shares the same overall diameter as the 20-inch fitment, it is not a substitute for a different wheel size. This is the size to evaluate when the TX350 has the factory-style 22-inch wheel configuration already in place.
Tire fitment on the 2026 Lexus Trucks TX350 varies by sub-model, and some trims are tied to one wheel package while another can use either primary size. Checking the exact trim matters because the first fitment decision is whether the vehicle uses a 20-inch or 22-inch wheel.
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2026 Lexus Trucks TX350 Base
The 2026 Lexus Trucks TX350 Base uses the 255/55R20 radial tire size. That keeps tire selection straightforward, with the main priority being confirmation that the vehicle is still on its 20-inch wheel setup before replacing tires.
The 2026 Lexus Trucks TX350 F Sport Handling uses the 255/45R22 radial tire size. Tire selection starts with the 22-inch wheel package, so replacement shopping should stay focused on that lower-profile fitment unless the wheel setup has been changed.
The 2026 Lexus Trucks TX350 Luxury can use either 255/55R20 or 255/45R22, depending on the wheel package installed on the vehicle. That makes wheel confirmation especially important before purchase, since both sizes are correct in the trim range but not interchangeable on the same rim diameter.
The 2026 Lexus Trucks TX350 Premium uses the 255/55R20 radial tire size. For this trim, the practical task is simply confirming that the current wheels remain 20-inch units and selecting replacements that match that fitment.
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
These FAQs focus on the exact tire sizes used on the 2026 Lexus Trucks TX350, how trim level affects fitment, and what to verify before replacing tires on either the 20-inch or 22-inch wheel package.
Tire Size & Fitment
What tire size fits a 2026 Lexus Trucks TX350?
The 2026 Lexus Trucks TX350 uses two primary tire sizes: 255/55R20 and 255/45R22. Both are radial fitments, but they do not apply across every trim in the same way. Base and Premium models use 255/55R20, F Sport Handling uses 255/45R22, and Luxury models can use either size depending on the wheel package installed.
The practical first step is identifying the exact sub-model and checking the wheel diameter on the vehicle. A 20-inch wheel requires the 255/55R20 size, while a 22-inch wheel requires the 255/45R22 size. Since the Luxury trim can appear with either package, visual confirmation of the wheel setup is especially important before buying replacement tires.
What size rim does a 2026 Lexus Trucks TX350 use?
The 2026 Lexus Trucks TX350 uses either a 20-inch or 22-inch rim, depending on trim and wheel package. The 255/55R20 tire mounts on a 20-inch wheel, while the 255/45R22 tire mounts on a 22-inch wheel. Both sizes are radial, but the wheel diameter determines which one belongs on the vehicle.
Wheel diameter should be confirmed before anything else because a tire designed for a 20-inch rim cannot be mounted on a 22-inch rim, and the reverse is also true. Looking at the current tire sidewall is often the quickest check, especially on Luxury models that can carry either factory-style size depending on equipment.
Why does the 2026 Lexus Trucks TX350 have more than one tire size?
The 2026 Lexus Trucks TX350 has more than one tire size because different trims use different wheel packages. Base and Premium models use 255/55R20, F Sport Handling uses 255/45R22, and the Luxury trim can be equipped with either size. The variation comes from wheel diameter rather than a change from radial to bias-ply construction.
That means tire selection should follow the actual wheel package on the vehicle, not just the model name on the liftgate. Two TX350s from the same model year can need different replacement tires if they were built with different wheel diameters, so checking the current sidewall marking and the trim level together helps avoid an expensive mismatch.
Choosing the Right Tire
What should I consider when choosing a 255/55R20 tire for a 2026 Lexus Trucks TX350?
Start with the fact that 255/55R20 is the correct radial size for the 2026 Lexus Trucks TX350 Base and Premium, and it can also appear on the Luxury trim. The most important selection point is staying with the proper size and confirming the vehicle is actually on a 20-inch wheel package before comparing replacement options.
After size confirmation, focus on factors such as intended use, ride priorities, and compatibility with the existing wheel setup. It also helps to inspect the current tires for even wear, since unusual wear patterns can point to alignment or suspension issues that should be addressed before mounting new tires on a daily-driven luxury crossover.
What should I consider when choosing a 255/45R22 tire for a 2026 Lexus Trucks TX350?
255/45R22 is the correct radial fitment for the 2026 Lexus Trucks TX350 F Sport Handling and can also be used on the Luxury trim when that wheel package is installed. Choosing within this size begins with verifying the 22-inch wheel diameter, since the size is tied directly to that larger factory-style wheel arrangement.
Because this is a lower-profile tire than the 20-inch fitment, buyers should pay close attention to the current wheel condition, curb damage, and any signs of uneven shoulder wear. It is also smart to confirm that the vehicle has not been altered with aftermarket wheels or suspension changes that could affect clearance or overall fitment.
How do I choose between the available tire sizes for a 2026 Lexus Trucks TX350?
Choosing between the available sizes on a 2026 Lexus Trucks TX350 is not a matter of preference alone. The decision is set first by the wheel diameter and trim configuration: 255/55R20 belongs on 20-inch wheels, while 255/45R22 belongs on 22-inch wheels. Luxury models require extra attention because either setup may be present.
Rather than selecting by appearance alone, check the current tire sidewall and measure the actual wheel diameter before replacing anything. Both primary sizes share the same overall diameter, but they are built for different rims. That distinction matters more than style, since the wrong diameter tire cannot be used simply because the widths appear similar.
Restoration & Appearance
Does correct tire fitment matter for a 2026 Lexus Trucks TX350 restoration or appearance refresh?
Yes, correct tire fitment matters even on a modern luxury vehicle such as the 2026 Lexus Trucks TX350. The vehicle uses either 255/55R20 or 255/45R22 depending on trim and wheel package, and each size contributes to the intended proportion between tire sidewall, wheel diameter, and overall stance.
An appearance-focused refresh should begin with preserving the wheel-and-tire relationship the vehicle is already built around. A TX350 on 20-inch wheels presents differently than one on 22s, so using the proper size helps maintain a clean, intentional look. Checking the exact trim and wheel setup first keeps cosmetic decisions grounded in correct fitment.
How does tire size affect the appearance of a 2026 Lexus Trucks TX350?
Tire size has a visible effect on the 2026 Lexus Trucks TX350 because the vehicle uses two different wheel diameters with matching overall tire height. The 255/55R20 size leaves more sidewall visible around a 20-inch wheel, while the 255/45R22 size creates a lower-profile look on a 22-inch wheel.
That difference changes the visual balance of the vehicle even though the outside diameter stays the same. Owners trying to preserve the look associated with a specific trim should stay with the wheel diameter and tire size that belong together. The cleanest result usually comes from matching the current wheel package rather than mixing styles across trims.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2026 Lexus Trucks TX350?
Yes, modifications can affect tire fitment on a 2026 Lexus Trucks TX350. Changes such as aftermarket wheels, altered offsets, lowering springs, suspension adjustments, or body modifications can all influence how a 255/55R20 or 255/45R22 tire sits in the wheel opening and how much clearance remains during steering and suspension movement.
A TX350 that has been modified should be checked more carefully than one on its original setup. Wheel diameter is only one part of the fitment picture, so it helps to verify width, clearance at full lock, and space around suspension components. That extra inspection is especially worthwhile before replacing tires in the larger 22-inch configuration.
What should I inspect before driving a 2026 Lexus Trucks TX350 on new tires?
Before driving a 2026 Lexus Trucks TX350 on new tires, inspect the wheel condition, confirm the correct size was installed, and check that all tires are seated properly and inflated evenly. It is also wise to look at the old tires for abnormal wear, since uneven wear can point to alignment or suspension issues that may carry over.
A short road test should be used to confirm smooth behavior with no vibration, pulling, or rubbing. Rechecking inflation after the first drive is a good habit, particularly on a vehicle used for family travel or highway miles. Owners should also make sure the trim's correct 20-inch or 22-inch fitment was installed at all four corners.
How often should tires on a 2026 Lexus Trucks TX350 be inspected?
Tires on a 2026 Lexus Trucks TX350 should be inspected regularly, not only when they appear worn out. A routine visual check for cracking, cuts, bulges, embedded objects, and uneven tread wear helps catch problems early. Pressure should also be checked consistently, since underinflation and overinflation can both affect ride quality and tire life.
Monthly checks are a sensible baseline for a modern luxury crossover, and an extra inspection before longer trips is worthwhile. It also helps to inspect sooner if the vehicle has struck potholes, curbs, or road debris, especially with the 22-inch setup. Regular attention keeps small issues from turning into fitment, comfort, or road-use problems later.
