The 2013 Infiniti Trucks EX37 sits in the era when luxury crossovers were expected to blend sharp road manners with everyday comfort, and tire fitment plays a big role in preserving that balance. Its tire choices are straightforward in one sense and important in another, because the EX37 uses radial construction but appears with two different fitments depending on configuration. The primary sizes are 225/55R18 and 245/45R19, so the first decision is confirming which wheel package is actually on the vehicle. That choice also shapes the available product selection, especially on the 19-inch setup. Before replacing tires, it is worth matching the size to the exact sub-model and wheel diameter already in use.
Which Tire Size Is Right for The 2013 Infiniti Trucks EX37
Two tire sizes apply to the 2013 Infiniti Trucks EX37, and the difference comes down to sub-model and wheel diameter. The Base uses an 18-inch fitment, while the Journey may use either the 18-inch or 19-inch setup. Before choosing a tire, confirm the exact sub-model and verify whether the vehicle is currently equipped with 18-inch or 19-inch wheels, since that determines the correct size from the start.
The size code 225/55R18 identifies a metric radial tire with a 225-millimeter section width, a 55-series aspect ratio, and an 18-inch rim diameter. On the 2013 Infiniti Trucks EX37, this is a primary radial fitment and is the size used on the Base, with some Journey models also sharing it. This size points the buyer toward maintaining the original wheel diameter and overall fitment balance rather than moving into a more aggressive low-profile setup. It is the right place to start when the vehicle is equipped with 18-inch wheels and stock-style sizing is the goal.
The size code 245/45R19 identifies a metric radial tire with a 245-millimeter section width, a 45-series aspect ratio, and a 19-inch rim diameter. On the 2013 Infiniti Trucks EX37, this fitment applies to Journey models equipped with the 19-inch wheel setup. Available choices in this size include BFGoodrich and Nitto products, with blackwall styling across series such as g-Force Comp 2 AS, Nitto NT555 G2, and g-Force Phenom T/A. This size deserves extra attention if the vehicle has been modified, because wheel width, clearance, and the current wheel package all need to match the 19-inch fitment.
Sub-model fitment matters on the 2013 Infiniti Trucks EX37 because tire size is not the same across every configuration. The Base stays with one 18-inch size, while the Journey can appear with either 18-inch or 19-inch wheels, so confirming the exact setup is the key first step.
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2013 Infiniti Trucks EX37 Base
The 2013 Infiniti Trucks EX37 Base uses the 225/55R18 radial fitment. Tire selection here is mainly about staying with the correct 18-inch size and making sure any replacement matches the wheel diameter and overall setup already on the vehicle.
The 2013 Infiniti Trucks EX37 Journey can use either 225/55R18 or 245/45R19, depending on the wheel package. That makes wheel confirmation especially important before replacement, because the right tire choice depends on whether the vehicle is riding on 18-inch or 19-inch rims.
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.
Best 2013 Infiniti Trucks EX37 Tires for Sale
Available 245/45R19 options for the 2013 Infiniti Trucks EX37 include BFGoodrich and Nitto blackwall radial tires. The product grid is where to compare series character, rim-width compatibility, load details where shown, and the overall tone of each 19-inch performance-oriented fitment.
Owners of a 2013 Infiniti Trucks EX37 usually need to sort out exact tire size, wheel diameter, sub-model fitment, and 19-inch product choices first. These FAQs also cover appearance, modifications, and the basic inspections worth making before regular road use.
Tire Size & Fitment
What tire size fits a 2013 Infiniti Trucks EX37?
The 2013 Infiniti Trucks EX37 uses two possible tire sizes: 225/55R18 and 245/45R19. The Base uses 225/55R18, while the Journey may use either 225/55R18 or 245/45R19, depending on the wheel package on the vehicle.
That means the right starting point is not simply the model name, but the actual sub-model and wheel diameter currently installed. Checking the sidewall of the existing tire and confirming whether the EX37 has 18-inch or 19-inch wheels will usually settle the question before comparing replacement options.
What size rim does a 2013 Infiniti Trucks EX37 use?
A 2013 Infiniti Trucks EX37 uses either an 18-inch or 19-inch rim, depending on the tire size. The 225/55R18 fitment uses an 18-inch rim, and the 245/45R19 fitment uses a 19-inch rim.
Rim diameter is the first fitment detail to verify because a tire must match the wheel diameter exactly. On this EX37, rim size also overlaps with sub-model fitment, so confirming the wheel package already on the vehicle is more useful than assuming every Journey or every EX37 uses the same setup.
Do all 2013 Infiniti Trucks EX37 sub-models use the same tire size?
No. The 2013 Infiniti Trucks EX37 Base uses 225/55R18, while the Journey can use either 225/55R18 or 245/45R19. The model line shares radial construction, but it does not share one universal size across every covered configuration.
That difference matters because moving between the two sizes also means moving between two wheel diameters. When shopping for replacements, identify the sub-model first and then verify the actual wheel and tire combination on the vehicle, especially if it has changed hands or may have had wheels replaced at some point.
Choosing the Right Tire
What should I consider when choosing a tire for a 2013 Infiniti Trucks EX37?
Start with the correct size and wheel diameter for the specific EX37 configuration. A Base uses 225/55R18, while a Journey may use either 225/55R18 or 245/45R19, so the first step is matching the replacement tire to the wheel actually on the vehicle.
After that, compare construction, intended use, and product specifications that matter to your setup. On the 19-inch fitment, rim-width range, load information where shown, and overall tire character can help narrow the choice, especially if the EX37 is used for more spirited road driving than routine daily cruising.
What brands offer tires for the 2013 Infiniti Trucks EX37?
In the available 245/45R19 fitment for the 2013 Infiniti Trucks EX37, brands include BFGoodrich and Nitto. Those products appear across different performance-oriented radial series rather than as one single tire choice in that size.
Brand alone should not decide the purchase. It makes more sense to compare the exact tire series, the wheel-width compatibility where shown, and whether the tire matches the way the EX37 is driven. That approach keeps the choice centered on fitment and use instead of treating one name as automatically right.
What tire series are available for the 2013 Infiniti Trucks EX37?
For the 245/45R19 fitment used on some 2013 Infiniti Trucks EX37 Journey models, available series include BFGoodrich g-Force Comp 2 AS, Nitto NT555 G2, and BFGoodrich g-Force Phenom T/A. All are radial blackwall tires in the 19-inch size family used here.
Series choice helps separate one 19-inch option from another when the size itself is already settled. Buyers comparing these tires should look at how each series aligns with the vehicle's intended use, then confirm wheel width and any other vehicle changes that might influence how a 245/45R19 tire sits on the EX37.
Restoration & Appearance
Which tire should I choose for a period-style 2013 Infiniti Trucks EX37?
A period-style choice for a 2013 Infiniti Trucks EX37 usually starts with keeping the correct original-size format and wheel diameter already on the vehicle. That means 225/55R18 for the Base, or either 225/55R18 or 245/45R19 for a Journey depending on its wheel package.
Because this is a modern luxury crossover rather than an older restoration-era vehicle, appearance is tied more to preserving the proper proportions than to recreating vintage sidewall styling. Staying with the correct size, avoiding mismatched wheel conversions, and choosing a tire that suits the vehicle's existing presentation will usually keep the look coherent.
How does tire construction affect the appearance of a restored 2013 Infiniti Trucks EX37?
On a 2013 Infiniti Trucks EX37, construction is less of an appearance question than it would be on a classic car, because the primary fitments are already radial tires. The visible difference comes more from the size and wheel combination than from choosing between radial and bias-ply construction.
That makes the main appearance decision a matter of preserving the correct 18-inch or 19-inch setup for the specific vehicle. A tire that matches the intended wheel diameter and profile keeps the EX37 looking properly proportioned, while an unverified size change can alter the stance and visual balance even before clearance becomes an issue.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2013 Infiniti Trucks EX37?
Yes. A 2013 Infiniti Trucks EX37 may have fitment changes if it has aftermarket wheels, altered suspension height, or body changes that affect tire clearance. That matters most on the 245/45R19 setup, where wheel width and the surrounding space should be checked carefully.
Even when the tire size matches a recognized EX37 fitment, the actual vehicle still needs to be verified. Wheel diameter, wheel width, and clearance at full steering lock all deserve attention, especially if the vehicle was purchased used and its current wheel package may not match how it originally left service.
What should I inspect before driving a 2013 Infiniti Trucks EX37 on new tires?
Before driving regularly on new tires, inspect the wheel condition, confirm the tire size matches the rim diameter, and make sure there is no rubbing at normal ride height or during steering movement. It is also worth checking valve stems, tread seating, and inflation pressure after installation.
A quick road-use check should also include suspension condition and any sign of uneven wear developing early. An EX37 with worn alignment or suspension components can affect how a new tire behaves, so catching those issues promptly helps the replacement tires wear evenly and keeps the vehicle's handling consistent.
How often should tires on a 2013 Infiniti Trucks EX37 be inspected?
Tires on a 2013 Infiniti Trucks EX37 should be inspected regularly, not just when tread looks low. Frequent checks for cuts, bulges, cracking, uneven wear, and air loss are worthwhile on any vehicle, and they are especially useful when the EX37 may be running a lower-profile 19-inch fitment.
A practical routine is to inspect the tires during pressure checks and before longer drives. That habit helps catch damage from road hazards, confirms that wear remains even across the tread, and gives you another chance to verify that the tires still match the wheel setup and intended use of the vehicle.
