The 2013 Lexus Trucks RX350 sits in the luxury crossover era where quiet road manners, everyday comfort, and upscale presentation mattered just as much as utility. Buyers looking at this generation often want a tire that preserves that composed feel while still matching the vehicle’s exact wheel setup. For this RX350, primary fitment centers on radial tires in either 235/55R19 or 235/60R18, depending on configuration. That makes the key decision less about vintage-style construction and more about confirming the correct rim diameter, then choosing the right size for the vehicle’s specific trim and wheel package. Owners focused on proper fitment should verify the exact sub-model before comparing tire options.
Which Tire Size Is Right for The 2013 Lexus Trucks RX350
The 2013 Lexus Trucks RX350 uses two primary tire sizes, and the right choice depends first on wheel diameter and sub-model. Both are radial metric sizes, but one fits an 18-inch rim and the other fits a 19-inch rim, so confirming the actual wheel setup on the vehicle is the most important first step before selecting a tire.
A 235/60R18 tire carries the same 235-millimeter section width as the 19-inch option, but uses a 60-series profile on an 18-inch rim. For the 2013 Lexus Trucks RX350, this radial size applies to configurations using 18-inch wheels and remains very similar in overall diameter to the 235/55R19 alternative. That means the main fitment difference is the wheel diameter the tire is built around, not a major change in section width. This size should be chosen only after confirming that the RX350 is fitted with the correct 18-inch wheel setup.
Sub-model fitment matters on the 2013 Lexus Trucks RX350 because tire sizing is not identical across every version. The Base model can use either of the two radial sizes, while the F Sport uses the 19-inch fitment, so checking the exact trim and wheel package prevents ordering by model name alone.
1
2013 Lexus Trucks RX350 Base
The 2013 Lexus Trucks RX350 Base uses radial tires and can appear with either the 235/55R19 or 235/60R18 size. That makes wheel confirmation especially important, since tire selection starts with identifying whether the vehicle is on 18-inch or 19-inch rims before comparing replacement choices.
The 2013 Lexus Trucks RX350 F Sport uses the 235/55R19 radial size. For this sub-model, the tire decision is more straightforward, but it still makes sense to confirm that the vehicle retains its correct 19-inch wheel setup if wheels or suspension have ever been changed.
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
Common questions for the 2013 Lexus Trucks RX350 usually come down to exact tire size, 18-inch versus 19-inch rim fitment, trim-specific sizing, and what to inspect before putting the vehicle back into regular road use.
Tire Size & Fitment
What tire size fits a 2013 Lexus Trucks RX350?
The 2013 Lexus Trucks RX350 uses either 235/55R19 or 235/60R18 radial tires. The Base model can use either size, while the F Sport uses 235/55R19. Both sizes are modern metric radial formats, but they are built for different wheel diameters.
Choosing the right one starts with confirming the actual wheel size on the vehicle rather than relying on the model name alone. An RX350 with 18-inch wheels needs the 235/60R18 size, while a 19-inch setup calls for 235/55R19. If the vehicle has had wheel changes at any point, check the rim diameter directly before selecting tires.
What size rim does a 2013 Lexus Trucks RX350 use?
A 2013 Lexus Trucks RX350 uses either an 18-inch or 19-inch rim, depending on its tire size and configuration. The 235/60R18 tire is built for an 18-inch rim, and the 235/55R19 tire is built for a 19-inch rim. The vehicle does not use one universal rim diameter across every version.
That distinction matters because a tire must match the wheel diameter exactly. Even though the two tire sizes are very close in overall height, they are not meant for the same rim. Looking at the sidewall marking on the existing tire and confirming the actual wheel size is the most reliable way to avoid an expensive fitment mistake.
Why does the 2013 Lexus Trucks RX350 have more than one tire size?
The 2013 Lexus Trucks RX350 has more than one tire size because different configurations use different wheel diameters. The Base model can be found with either 235/60R18 or 235/55R19, while the F Sport uses 235/55R19. Both sizes are radial, but they correspond to separate wheel packages.
That means the choice is not about picking whichever size seems closest. It is about matching the tire to the wheel already on the vehicle. Since both sizes are similar in section width and overall height, buyers sometimes assume they are interchangeable, but the critical difference is the rim diameter stamped into the tire size itself.
Choosing the Right Tire
What should I consider when choosing a tire for a 2013 Lexus Trucks RX350?
Start with the exact tire size and wheel diameter your 2013 Lexus Trucks RX350 uses. This model takes either 235/55R19 or 235/60R18, both in radial construction, so the first decision is matching the tire to the correct 19-inch or 18-inch rim. Trim level and actual wheel equipment both matter.
After size is confirmed, focus on how the vehicle is driven and whether it remains stock. A daily-driven RX350 may call for different priorities than one used occasionally, but fitment basics still come first. Check the existing wheel setup, inspect for aftermarket changes, and keep overall tire dimensions consistent with the intended configuration.
How do I choose between the available 2013 Lexus Trucks RX350 tire sizes?
The two tire sizes for a 2013 Lexus Trucks RX350 are not alternatives to choose by preference alone. They are tied to different wheel diameters: 235/60R18 for 18-inch rims and 235/55R19 for 19-inch rims. The correct choice depends on the wheels actually installed on the vehicle.
A quick look at the current tire sidewall usually settles the question, but wheel changes can complicate things. If the RX350 has ever been fitted with different wheels, confirm the rim diameter directly before purchasing tires. Matching the tire to the installed wheel is more important than selecting by trim badge or appearance alone.
What does 235/55R19 mean on a 2013 Lexus Trucks RX350?
On a 2013 Lexus Trucks RX350, 235/55R19 means the tire is 235 millimeters wide, uses a 55-series aspect ratio, has radial construction, and fits a 19-inch rim. It is a modern metric radial size, and it is the fitment used on the RX350 F Sport as well as some Base configurations.
Reading the size this way helps separate width, profile, and wheel diameter instead of treating the code as one block of numbers. The final 19 is especially important because it determines the wheel the tire mounts to. Even a similar size with a different ending number belongs to a different rim diameter and should be checked carefully.
Restoration & Appearance
Does correct tire fitment matter for a 2013 Lexus Trucks RX350 restoration?
Correct tire fitment still matters on a 2013 Lexus Trucks RX350, even though it is a newer vehicle than the traditional collector cars often associated with restoration work. Using the proper 235/55R19 or 235/60R18 size helps preserve the intended stance, wheel relationship, and overall presentation of the vehicle.
Appearance is only part of the equation. Proper fitment also affects how naturally the tire sits within the wheel opening and how well it matches the existing wheel package. Anyone bringing an RX350 back to clean, original-style condition should confirm the exact trim and wheel diameter before making cosmetic or replacement tire decisions.
How does tire size affect the appearance of a 2013 Lexus Trucks RX350?
Tire size affects the visual balance of a 2013 Lexus Trucks RX350 because the vehicle uses two similar overall tire heights tied to different wheel diameters. A 235/60R18 places more sidewall around an 18-inch wheel, while a 235/55R19 pairs a slightly shorter sidewall with a 19-inch wheel for a different presentation.
That does not make one look universally better than the other, but it does mean the wheel-and-tire package should stay consistent with the vehicle’s setup. Owners aiming for a clean factory-style appearance usually start by matching the installed wheel size, then selecting a tire that keeps the proportions appropriate for that configuration.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2013 Lexus Trucks RX350?
Yes, modifications can affect tire fitment on a 2013 Lexus Trucks RX350. Wheel changes, suspension lowering, altered offsets, or non-stock tire sizes can all change how much room the tire has at the fender, strut area, and steering sweep. That is true whether the vehicle started with 235/60R18 or 235/55R19 tires.
A modified RX350 should be measured from the actual vehicle rather than selected by catalog size alone. Check wheel diameter first, then look at clearance around the suspension and body at full steering lock and normal ride height. Even small changes in wheel setup can matter, especially when moving away from the original tire-and-wheel combination.
What should I inspect before driving a 2013 Lexus Trucks RX350 on new tires?
Before driving a 2013 Lexus Trucks RX350 on new tires, inspect the wheels for damage, confirm the tires match the correct 18-inch or 19-inch rim diameter, and make sure the size is right for the vehicle’s configuration. It also helps to check valve stems, wheel fastener condition, and basic alignment-related wear patterns.
Once the tires are mounted, look for adequate clearance at the fenders and inner wheel areas, especially if the RX350 has aftermarket wheels or suspension changes. Tire pressure should be set correctly, and a short road test can reveal vibration, rubbing, or pull. Catching those issues early prevents avoidable wear on a new set of tires.
How often should tires on a 2013 Lexus Trucks RX350 be inspected?
Tires on a 2013 Lexus Trucks RX350 should be inspected regularly, not just when replacement time arrives. Frequent visual checks for uneven wear, cuts, sidewall damage, punctures, and slow air loss help catch problems early. That matters whether the vehicle runs 235/60R18 or 235/55R19 tires.
A good routine is to look them over during pressure checks and before longer trips. Vehicles that sit for periods still need attention because aging, flat spotting, and unnoticed air loss can develop even with low mileage. Consistent inspection is one of the simplest ways to protect ride quality, tire life, and day-to-day road readiness.
