In 2012 Infiniti Trucks spanned a broad luxury performance range, from the car-based EX35 crossover to the bold FX35 and FX50, all the way up to the full-size QX56. That mix means tire selection is less about one universal year-and-make fitment and more about understanding how each model was positioned, because 2012 Infiniti Trucks uses seven different tire sizes across four model lines. Every size here is a radial, but rim diameters range from 18 through 22 inches, and some models were offered with more than one factory-style fitment. Before choosing a tire, confirm your exact model first, then verify the wheel diameter already on the vehicle.
Which Tire Size Is Right for Your 2012 Infiniti Trucks
Seven tire sizes are used across 2012 Infiniti Trucks vehicles, and they vary by model rather than carrying across the full range. Because these sizes span several different rim diameters, the first step is confirming your exact model and wheel size before narrowing down brands or tread styles. Understanding that distinction up front saves time and helps you match the right tire to the right Infiniti platform.
Year(s): 2012|Fit(s): EX35|Construction: Radial|Rim: 18 in
The 225/55R18 is a metric radial size with a 225-millimeter section width, a 55-series aspect ratio, and an 18-inch rim diameter. This size is specific to the EX35 rather than shared across the full 2012 Infiniti Trucks range. It suits an owner who needs the 18-inch EX35 fitment confirmed by the vehicle's wheel package before moving to a model-specific tire choice.
Year(s): 2012|Fit(s): EX35|Construction: Radial|Rim: 19 in
The 245/45R19 is a metric radial size with a 245-millimeter section width, a 45-series aspect ratio, and a 19-inch rim diameter. BFGoodrich and Nitto offer this size in Blackwall form, and speed ratings vary by product, including W-rated options to 168 mph and a Y-rated option for 186 mph and above. This size is specific to the EX35 and fits buyers who need the larger 19-inch EX35 wheel package rather than the model's alternate 18-inch setup.
Year(s): 2012|Fit(s): FX35|Construction: Radial|Rim: 20 in
The 265/50R20 is a metric radial size with a 265-millimeter section width, a 50-series aspect ratio, and a 20-inch rim diameter. This size is specific to the FX35 and serves as one of that model's distinct wheel-and-tire combinations. It is the right direction for an FX35 owner only after confirming that the vehicle is equipped with 20-inch wheels rather than the FX35's 18-inch or 21-inch alternatives.
Year(s): 2012|Fit(s): FX35|Construction: Radial|Rim: 18 in
The 265/60R18 is a metric radial size with a 265-millimeter section width, a 60-series aspect ratio, and an 18-inch rim diameter. This size is specific to the FX35 and is not used across the rest of the 2012 Infiniti Trucks lineup. It fits FX35 applications running the 18-inch wheel package, so wheel diameter confirmation comes before any product decision.
Year(s): 2012|Fit(s): FX35, FX50|Construction: Radial|Rim: 21 in
The 265/45R21 is a metric radial size with a 265-millimeter section width, a 45-series aspect ratio, and a 21-inch rim diameter. It is shared by the FX35 and FX50, making it one of the few sizes that crosses between models within 2012 Infiniti Trucks. This is the correct path for owners of either model when the vehicle carries the factory-style 21-inch wheel fitment.
Year(s): 2012|Fit(s): QX56|Construction: Radial|Rim: 22 in
The 275/50R22 is a metric radial size with a 275-millimeter section width, a 50-series aspect ratio, and a 22-inch rim diameter. This size is specific to the QX56 and reflects the larger wheel fitment used on Infiniti's full-size luxury SUV. It is the right choice only for QX56 applications already running 22-inch wheels.
Year(s): 2012|Fit(s): QX56|Construction: Radial|Rim: 20 in
The 275/60R20 is a metric radial size with a 275-millimeter section width, a 60-series aspect ratio, and a 20-inch rim diameter. This size is specific to the QX56 and is separate from that model's available 22-inch fitment. It suits QX56 owners who need the 20-inch wheel configuration confirmed against the actual vehicle before selecting a tire.
Four Infiniti truck and crossover models are covered for 2012, and tire size varies significantly by model. That means year and make alone are not enough to choose correctly; the EX35, FX35, FX50, and QX56 each follow their own wheel and tire combinations, with only the 265/45R21 shared between two models. Select your model below to narrow the fitment history and tire options to the vehicle you actually have.
2012 Infiniti Trucks EX35
The EX35 was Infiniti's compact luxury crossover, blending wagon-like utility with car-based road manners and a sport-oriented character. It uses either 18-inch or 19-inch tires depending on wheel package, so confirming which wheel is on the vehicle is essential before moving forward.
The FX35 stood out as Infiniti's performance luxury crossover, known for dramatic styling and a more aggressive stance than a typical SUV. It appears with 18-inch, 20-inch, or 21-inch tire fitments, which makes wheel diameter the first thing to verify on any FX35.
The FX50 represented the high-output end of the FX family, pairing the same distinctive crossover shape with a more premium, performance-focused mission. Its tire fitment centers on a 21-inch wheel, which keeps size selection straightforward once the model is confirmed.
The QX56 was Infiniti's full-size luxury SUV, built for a very different role than the EX and FX models, with a larger footprint and heavier-duty presence. It uses either 20-inch or 22-inch tire fitments, so the wheel already on the vehicle determines which size family applies.
Three products are available across one of the seven tire sizes used on 2012 Infiniti Trucks vehicles. The 245/45R19 has three BFGoodrich and Nitto radial choices, all in Blackwall style. Confirm your exact size first, and then compare speed rating and wheel-width compatibility before selecting.
These FAQs focus on the model-by-model size differences across 2012 Infiniti Trucks, what the metric size codes mean, how the available 245/45R19 products compare, and what to check before fitting or storing a luxury crossover or SUV.
Size Basics & Fitment
What tire sizes fit 2012 Infiniti Trucks vehicles?
2012 Infiniti Trucks vehicles use seven sizes across four model lines. The EX35 uses 225/55R18 and 245/45R19, the FX35 uses 265/60R18, 265/50R20, and 265/45R21, the FX50 uses 265/45R21, and the QX56 uses 275/60R20 and 275/50R22. Rim diameters therefore range from 18 to 22 inches, and only the 265/45R21 crosses between more than one model.
That spread means you should identify the exact model and verify the wheel diameter already on the vehicle before doing anything else. A 2012 Infiniti Trucks badge alone is not enough, because several models offered multiple wheel packages from the factory-style fitments. Once the wheel diameter is confirmed, the correct size group becomes much easier to narrow down.
What does 245/45R19 mean on a 2012 Infiniti Trucks tire?
On a 2012 Infiniti Trucks EX35, 245/45R19 means the tire is 245 millimeters wide, has a 45-series aspect ratio, uses radial construction, and mounts on a 19-inch wheel. It is a modern metric radial format, which is the standard sizing language seen on late-model luxury crossovers and SUVs. Within this size, Blackwall products are available from BFGoodrich and Nitto.
That code matters because each part of it affects fitment. A change in section width, aspect ratio, or rim diameter can alter clearance, overall height, and wheel compatibility. For an EX35 owner, the key distinction is that 245/45R19 belongs to the 19-inch wheel package, not the 18-inch setup used with 225/55R18.
Do all 2012 Infiniti Trucks models use the same tire size?
No. 2012 Infiniti Trucks models do not share one universal tire size. The EX35, FX35, FX50, and QX56 each have their own fitment pattern, and the only overlap is 265/45R21, which is used by both the FX35 and FX50. Every other size belongs to a single model line.
That matters in practical terms because choosing by year and make alone can easily put you into the wrong diameter. The EX35 and FX35 each carry multiple size options, while the FX50 uses one size and the QX56 uses two larger SUV-oriented sizes. If you are unsure, confirm the model badge and read the sidewall on the tire already installed before comparing replacements.
Buying the Right Tire
What sidewall styles are available for 2012 Infiniti Trucks tires?
Within the available 2012 Infiniti Trucks product coverage shown here, the 245/45R19 size for the EX35 comes in Blackwall form. That sidewall treatment fits the modern luxury-performance character of a 2012 Infiniti product and suits owners who want a contemporary appearance rather than a vintage-style whitewall or raised-letter presentation.
Sidewall style is partly visual, but it also helps keep the look of the vehicle consistent with how Infiniti positioned these trucks and crossovers when new. If appearance matters to you as much as fitment, compare the sidewall treatment of the tire on the vehicle now against the stance you want to preserve. Then make sure the style you choose still matches the correct size and wheel diameter.
What brands make tires for 2012 Infiniti Trucks vehicles?
For 2012 Infiniti Trucks applications covered here, the available 245/45R19 products come from BFGoodrich and Nitto. BFGoodrich appears with the g-Force Comp-2 A/S and g-Force Phenom T/A, while Nitto appears with the NT555 G2. All are radial Blackwall performance-oriented choices for the EX35's 19-inch fitment.
Brand matters because it often signals the tire's intended character within the same size family. A buyer comparing 245/45R19 options should look beyond the name and confirm details such as speed rating and wheel-width compatibility. Once those basics are in line with the vehicle's wheels and intended use, brand preference becomes a more meaningful deciding factor.
What is the difference between BFGoodrich g-Force Comp-2 A/S and BFGoodrich g-Force Phenom T/A for the 2012 Infiniti Trucks EX35?
For the 2012 Infiniti Trucks EX35 in 245/45R19, the BFGoodrich g-Force Comp-2 A/S and g-Force Phenom T/A share radial construction, Blackwall styling, a 19-inch rim diameter, and a 7.5- to 9-inch approved rim-width range. The Comp-2 A/S carries a 98W service description and weighs 29 pounds, while the Phenom T/A carries a 102Y service description, weighs 29.26 pounds, and shows a maximum load of 1,874 pounds at 50 psi.
That comparison makes the choice more about the exact spec balance you want than about basic fitment, because both fit the same wheel-diameter family. If your EX35 uses the 19-inch package, compare the speed symbol, load index, and wheel width against your actual wheels and driving expectations. Those details will tell you more than the brand family name alone.
Fitting & Setup
What rim width do 2012 Infiniti Trucks tires require?
For 2012 Infiniti Trucks fitments covered here, the clearest rim-width guidance appears with 245/45R19 for the EX35. BFGoodrich gives that size an approved rim-width range of 7.5 to 9 inches. That range appears on both the g-Force Comp-2 A/S and the g-Force Phenom T/A, which makes it a solid checkpoint for anyone replacing tires on the 19-inch EX35 package.
Rim width matters because the same nominal tire size can behave differently if mounted outside its approved range. Before choosing a 245/45R19 for a 2012 Infiniti Trucks EX35, verify the actual wheel width and compare it against the specific tire's approval range. If the vehicle uses another size, check that size's individual product specs instead of assuming the 245/45R19 range applies everywhere.
Do 2012 Infiniti Trucks tires require inner tubes?
The available 2012 Infiniti Trucks products shown here for 245/45R19 do not carry tube-type markings and follow modern radial sizing conventions associated with tubeless construction. That aligns with the late-model design of the 2012 EX35 and with contemporary one-piece road wheels used on luxury crossovers and SUVs.
Even so, the right approach is to confirm the tire's sidewall marking and inspect the wheel itself before installation. A damaged wheel, a compromised valve area, or an unusual aftermarket setup can create sealing issues that have nothing to do with the nominal tire size. Checking those details first helps avoid fitment surprises after mounting.
Can the original 2012 Infiniti Trucks wheels be used with all tire sizes?
No, original 2012 Infiniti Trucks wheels are not interchangeable across all seven tire sizes because the rim diameters differ. The year spans 18-inch, 19-inch, 20-inch, 21-inch, and 22-inch applications. A wheel meant for 245/45R19 on an EX35 cannot take a 265/45R21 from an FX35 or FX50, and a QX56 22-inch setup is its own separate fitment family.
That means wheel diameter must match the tire exactly before any other measurement is considered. On models such as the EX35, FX35, and QX56, more than one tire size can be correct depending on the wheel package already on the vehicle. Always verify the wheel diameter on the vehicle itself rather than assuming the model used only one size for the year.
Maintenance, Storage & Longevity
How should I store a 2012 Infiniti Trucks when the tires are fitted?
A 2012 Infiniti Trucks vehicle should be stored on a clean, dry surface away from direct sunlight, electric motors, battery chargers, furnaces, and other ozone-producing sources that can age rubber prematurely. Keep the tires properly inflated during storage, and if the vehicle will sit for extended periods, move it occasionally or support it in a way that reduces prolonged loading on one contact patch.
Those habits help preserve the shape and condition of the tire, especially on heavier vehicles such as the QX56 and on lower-profile fitments like the EX35 and FX models with larger wheel packages. Storage conditions affect tire life just as much as miles traveled. A controlled indoor environment is one of the best ways to slow cosmetic cracking and age-related hardening.
How long do tires on a 2012 Infiniti Trucks typically last?
On a 2012 Infiniti Trucks vehicle, tire age usually matters more than mileage alone, especially when the vehicle is used sparingly. A good rule is to begin close inspection once tires reach about five to seven years of age and to treat ten years as a point where replacement deserves serious consideration regardless of tread depth. The DOT date code on the sidewall is the quickest way to establish age.
Luxury crossovers and SUVs often accumulate miles unevenly, with plenty of examples spending long stretches parked. That kind of use can leave tread looking healthy while the rubber itself ages out. If a 2012 Infiniti Trucks vehicle still wears older tires, evaluate age, sidewall condition, and ride quality together instead of judging serviceability by tread depth alone.
How often should tires on a 2012 Infiniti Trucks be inspected?
Tires on a 2012 Infiniti Trucks vehicle should be checked before every drive and given a more thorough inspection before any extended trip. Look for sidewall cracking, punctures, bulges, irregular tread wear, and pressure loss. On vehicles with larger-diameter, lower-profile fitments such as 245/45R19 or 265/45R21, also inspect the wheel lip area closely because curb or road-impact damage can be less forgiving.
That inspection routine is especially important on a vehicle that alternates between daily use and longer dormant periods. Problems often appear first as a slow leak, a visible sidewall flaw, or a vibration that develops after storage. Catching those signs early is far easier than trying to diagnose them after heading out on the highway.
Safety & Road Use
Are 2012 Infiniti Trucks tires safe for highway driving?
Yes, 2012 Infiniti Trucks tires can be suitable for highway use when the tire is the correct size, in sound condition, and matched to the vehicle's wheel. The available 245/45R19 products carry W and Y speed ratings, which correspond to 168 mph and 186 mph-plus ceilings respectively. Those ratings are well beyond normal U.S. highway speeds, although the vehicle's condition, alignment, suspension, and braking system remain just as important as the tire itself.
A safe highway setup depends on the whole package rather than the speed symbol alone. If the vehicle has older shocks, worn bushings, poor alignment, or aged tires with plenty of tread but advanced date codes, road manners will suffer long before the tire reaches its theoretical rating ceiling. Confirm condition first, then use the speed symbol as one part of the decision.
What inflation pressure should I use for 2012 Infiniti Trucks tires?
Inflation pressure for a 2012 Infiniti Trucks tire should follow the vehicle placard or owner's manual first, because factory pressure targets are set around the vehicle's weight distribution and handling goals. Within the available 245/45R19 products, the BFGoodrich g-Force Phenom T/A shows a maximum load of 1,874 pounds at 50 psi, but that figure is the tire's rated maximum for that service description, not an across-the-board operating recommendation for every 2012 Infiniti Trucks application.
The important takeaway is not to transfer one pressure number from one size to another, or from one product line to the entire year and make. A QX56 on 275/50R22 has different needs than an EX35 on 245/45R19. Start with the vehicle's placard, then compare the chosen tire's sidewall information and manufacturer guidance if questions remain.
What should I check before taking a 2012 Infiniti Trucks on a longer drive?
Before a longer trip in a 2012 Infiniti Trucks vehicle, inspect each tire for cracking, cuts, bulges, punctures, and uneven wear, then confirm cold inflation pressures and make sure the spare is serviceable. Check for vibration, pulling, or steering irregularities during the first miles, since those can point to tire, wheel, or alignment issues. On larger-diameter fitments, inspect the wheel itself for bends or curb damage as well.
Tires are only one part of the pre-drive routine on a modern-but-aging luxury vehicle. It is wise to pair the tire check with a broader review of brakes, battery condition, fluid levels, and suspension wear, especially if the vehicle has been parked for long stretches. A careful once-over in the garage is far easier than dealing with a preventable problem on the road.
