2021 Mazda Trucks brought Mazda’s crossover lineup into a modern era defined by compact packaging, upscale road manners, and distinct sizing differences from one model to the next. From the smaller CX-3 to the larger CX-9, Mazda gave each model its own tire dimensions to match its stance, wheel package, and intended use. Across four models, seven tire sizes appear, and they are not shared across the full range, so the real choice begins with identifying the exact model and, in some cases, the wheel diameter already on the vehicle. Before choosing a tire, confirm both your model and your current size so you can match the correct fitment path.
Which Tire Size Is Right for Your 2021 Mazda Trucks
Seven tire sizes are used across 2021 Mazda Trucks vehicles, and they vary by model rather than carrying across the full lineup. Every size here is a radial, so the main decision is not bias-ply versus radial construction but confirming the correct model and rim diameter first. Understanding that distinction before choosing a product saves time and helps ensure the right match.
Year(s): 2021|Fit(s): CX-3|Construction: Radial|Rim: 16-in rim
A 215/60R16 is a radial tire with a 215 millimeter section width, a 60-series aspect ratio, and fitment for a 16-inch wheel. This size is specific to the CX-3 rather than universal across 2021 Mazda Trucks, and it keeps the buyer focused on that model’s wheel package. It suits owners who need to stay with the factory-style dimensional profile for a compact crossover application.
Year(s): 2021|Fit(s): CX-30|Construction: Radial|Rim: 16 in
A 215/65R16 is a radial tire with a 215 millimeter section width, a 65-series aspect ratio, and fitment for a 16-inch wheel. BFGoodrich offers this size in RBL, Redline, and Wide Whitewall styles, with load ratings ranging from 1,565 pounds at 35 psi to 1,930 pounds at 65 psi; one product carries an S speed rating with a 112 mph ceiling. This size is specific to certain CX-30 wheel packages, and the broad sidewall-style spread gives buyers a choice between a more utility-oriented look and a more stylized appearance.
Year(s): 2021|Fit(s): CX-30|Construction: Radial|Rim: 18-in rim
A 215/55R18 is a radial tire with a 215 millimeter section width, a 55-series aspect ratio, and fitment for an 18-inch wheel. This size is specific to certain CX-30 versions and reflects a different wheel diameter from the 16-inch CX-30 fitment. It is the right path for owners confirming an 18-inch wheel package rather than adapting a 16-inch size.
Year(s): 2021|Fit(s): CX-5|Construction: Radial|Rim: 19-in rim
A 225/55R19 is a radial tire with a 225 millimeter section width, a 55-series aspect ratio, and fitment for a 19-inch wheel. This size is specific to certain CX-5 applications and does not interchange with the CX-5’s 17-inch fitment without a wheel change. It is the correct starting point for owners matching the larger factory wheel diameter used on some CX-5 configurations.
Year(s): 2021|Fit(s): CX-5|Construction: Radial|Rim: 17 in
A 225/65R17 is a radial tire with a 225 millimeter section width, a 65-series aspect ratio, and fitment for a 17-inch wheel. BFGoodrich offers this size in an RBL sidewall, with a 107S speed rating, a 112 mph ceiling, and a maximum load of 2,150 pounds at 65 psi. This size is specific to certain CX-5 versions and is the straightforward choice when the vehicle retains its 17-inch wheel setup.
Year(s): 2021|Fit(s): CX-9|Construction: Radial|Rim: 20-in rim
A 255/50R20 is a radial tire with a 255 millimeter section width, a 50-series aspect ratio, and fitment for a 20-inch wheel. This size is specific to certain CX-9 wheel packages and stands apart from the model’s 18-inch alternative. It is the correct route for owners matching the larger-diameter wheel setup used on some CX-9 configurations.
Year(s): 2021|Fit(s): CX-9|Construction: Radial|Rim: 18-in rim
A 255/60R18 is a radial tire with a 255 millimeter section width, a 60-series aspect ratio, and fitment for an 18-inch wheel. This size is specific to certain CX-9 applications and should be matched to the vehicle’s existing 18-inch wheel package. It is the right choice when retaining the original lower-diameter CX-9 wheel rather than moving to the 20-inch fitment.
Four 2021 Mazda Trucks models are covered here, and tire size varies by model and, in several cases, by wheel package within the same model. That means year and make alone are not enough for a confident match; you need the exact model, and sometimes the existing wheel diameter, before narrowing to the right size. Select a model below for model-specific fitment history and products.
2021 Mazda Trucks CX-3
The CX-3 was Mazda’s smaller crossover, with a tighter footprint and a more city-friendly character than the larger utility models in the range. Its tire fitment mounts on a 16-inch wheel, keeping it distinct from the rest of the 2021 Mazda Trucks lineup. The model is best approached by confirming that single wheel diameter first.
The CX-30 sat between a traditional subcompact and compact crossover, giving Mazda a more premium-feeling entry in the smaller utility market. It appears with both 16-inch and 18-inch wheel fitments, so the model name alone is not enough without checking the wheel package on the vehicle. That split is the key factor before choosing a tire for a CX-30.
The CX-5 was Mazda’s core compact crossover and is often the model buyers associate with the brand’s blend of practical utility and more engaging road manners. Its tires mount on either 17-inch or 19-inch wheels depending on configuration, making wheel diameter the first thing to verify. That distinction matters more here than any broad year-and-make assumption.
The CX-9 was the larger three-row crossover in the Mazda family, aimed at buyers who needed more passenger and cargo room without moving away from Mazda styling. Its fitments use either 18-inch or 20-inch wheels, so confirming the wheel already on the vehicle is essential before moving to a tire choice. The larger size spread reflects its place at the top of the range.
Four products are available across two tire sizes for 2021 Mazda Trucks vehicles. The 215/65R16 has three BFGoodrich radial choices in RBL, Redline, and Wide Whitewall styles, while the 225/65R17 has one BFGoodrich radial in RBL. Confirm your exact size first, since sidewall style, load rating, and speed rating can differ by product.
These FAQs focus on how 2021 Mazda Trucks tire sizing changes from CX-3 to CX-9, what the metric codes mean, how the available BFGoodrich products differ by size and sidewall style, and what to check for modern crossover use and storage.
Size Basics & Fitment
What tire sizes fit 2021 Mazda Trucks vehicles?
2021 Mazda Trucks vehicles use seven different tire sizes across four models: 215/60R16 for the CX-3; 215/65R16 and 215/55R18 for the CX-30; 225/65R17 and 225/55R19 for the CX-5; and 255/60R18 and 255/50R20 for the CX-9. These are all radial sizes, and each one mounts on the wheel diameter shown in the code: 16, 17, 18, 19, or 20 inches depending on model and package.
The practical takeaway is that 2021 Mazda Trucks fitment is model-specific, not a one-size-fits-all year-and-make situation. Start by identifying the exact model, then confirm the wheel diameter already on the vehicle before selecting a tire. That matters especially on CX-30, CX-5, and CX-9 models, where more than one size appears within the same model line.
What does 215/65R16 mean on a 2021 Mazda Trucks tire?
On a 2021 Mazda Trucks tire, 215/65R16 means the tire is 215 millimeters wide, has a 65-series aspect ratio, uses radial construction, and fits a 16-inch wheel. Within the 2021 Mazda Trucks range, that size belongs to certain CX-30 applications. Available versions include BFGoodrich products in RBL, Redline, and Wide Whitewall sidewall treatments.
That code matters because every part of it affects fitment. A 215/65R16 cannot be treated as interchangeable with the CX-30’s 215/55R18 unless the wheel changes as well, since the final number is the wheel diameter. If your CX-30 already wears 16-inch wheels, this is the size family to compare before narrowing by sidewall style or product character.
Do all 2021 Mazda Trucks models use the same tire size?
No, 2021 Mazda Trucks models do not use the same tire size. The CX-3 uses 215/60R16, the CX-30 uses either 215/65R16 or 215/55R18, the CX-5 uses either 225/65R17 or 225/55R19, and the CX-9 uses either 255/60R18 or 255/50R20. Every one of those sizes is tied to a specific model or wheel package rather than shared across the full lineup.
That means year and make are only the first step. If you are replacing tires on a 2021 Mazda Trucks vehicle, check the model badge and then verify the size on the sidewall of the tire already mounted or the label in the door opening. Doing that first prevents confusion between models whose overall dimensions and wheel packages are very different.
Buying the Right Tire
What sidewall styles are available for 2021 Mazda Trucks tires?
Sidewall-style variety appears in the 215/65R16 size used on certain 2021 Mazda Trucks CX-30 applications. That size is available in RBL, Redline, and Wide Whitewall versions from BFGoodrich. The 225/65R17 size used on certain CX-5 applications is available in an RBL sidewall.
For a modern Mazda crossover, RBL is the most straightforward visual match to contemporary factory-style appearance. Redline and Wide Whitewall choices are more specialized styling directions and will change the look of a 2021 Mazda Trucks vehicle in a noticeable way. If appearance matters as much as fitment, choose the sidewall style only after confirming the correct size and wheel diameter.
What brands make tires for 2021 Mazda Trucks vehicles?
BFGoodrich covers the available 2021 Mazda Trucks products in the sizes with current product coverage here. The 215/65R16 size comes in BFGoodrich All-Terrain T/A KO2 and BFGoodrich Silvertown Radial forms, while the 225/65R17 size appears in BFGoodrich All-Terrain T/A KO2 form. Those options keep the brand picture simple, but the tire character still changes by series and sidewall style.
That distinction matters because a brand name alone does not tell you how the tire will look or what type of application it suits. A KO2 presents a more utility-oriented all-terrain identity, while a Silvertown Radial in Redline or Wide Whitewall shifts the emphasis toward appearance. Start with the correct size, then compare the specific series that matches how your 2021 Mazda Trucks vehicle is used and styled.
What is the difference between BFGoodrich All-Terrain T/A KO2 and BFGoodrich Silvertown Radial for the 2021 Mazda Trucks?
In 215/65R16 for certain 2021 Mazda Trucks CX-30 applications, the BFGoodrich All-Terrain T/A KO2 carries a 1,930-pound maximum load at 65 psi, fits 6.0- to 7.5-inch rims, uses an RBL sidewall, and weighs 34 pounds. The BFGoodrich Silvertown Radial in the same size carries a 1,565-pound maximum load at 35 psi, fits 5.50- to 7.50-inch rims, uses either Redline or Wide Whitewall styling, and weighs 25 pounds.
Those differences point to two distinct directions for the same 2021 Mazda Trucks size. The KO2 leans toward a more rugged, utility-style presentation with higher load and pressure figures, while the Silvertown Radial emphasizes a custom or nostalgic sidewall treatment in a lighter package. The right choice depends on whether your priority is the look and character you want from the vehicle or the more truck-style personality of the KO2.
Fitting & Setup
What rim width do 2021 Mazda Trucks tires require?
Rim-width guidance is available for two 2021 Mazda Trucks sizes. The 215/65R16 products fit rims from 5.50 to 7.50 inches wide on the Silvertown Radial and 6.0 to 7.5 inches wide on the All-Terrain T/A KO2. The 225/65R17 All-Terrain T/A KO2 fits rims from 6.0 to 8.0 inches wide.
Use that range to confirm the wheel before choosing a tire, especially if the vehicle has replacement or aftermarket wheels. Rim diameter must match exactly, and rim width still needs to fall within the approved range for the specific tire. If your 2021 Mazda Trucks vehicle wears a different wheel than it left the factory with, that wheel should be verified before you settle on a product.
Do 2021 Mazda Trucks tires require inner tubes?
The available 2021 Mazda Trucks products shown here are modern radial tires, and none carries a tube-type marking in the size description. That points to tubeless construction for the products covered in 215/65R16 and 225/65R17. As with any modern radial installation, the wheel itself still needs to be suitable for tubeless service and in good condition.
Tube questions usually become more important with older wheels, damaged bead seats, or specialty restorations, but that is not the pattern suggested by these 2021 Mazda Trucks applications. If your vehicle still has factory-style late-model wheels, tubeless setup is the normal expectation. If it has custom wheels or a questionable sealing surface, confirm wheel condition before mounting new tires.
Maintenance, Storage & Longevity
How should I store a 2021 Mazda Trucks when the tires are fitted?
A 2021 Mazda Trucks vehicle should be stored out of direct sunlight, away from electric motors or other ozone sources, and on a clean, dry surface. Keep the tires properly inflated during storage, and if the vehicle will sit for an extended period, move it periodically so one section of the tread is not carrying the load for months at a time. Modern radials tolerate storage better than old bias-ply tires, but they still age from heat, light, and inactivity.
Good storage habits protect both appearance and service life. If your 2021 Mazda Trucks vehicle is a seasonal driver, a short monthly roll and a quick pressure check go a long way toward preventing flat-spot feel and sidewall stress. Long-term indoor storage is always easier on tires than leaving the vehicle parked outside through changing weather.
How long do tires on a 2021 Mazda Trucks typically last?
Tires on a 2021 Mazda Trucks vehicle should be judged by age as much as by tread depth. A sensible collector and specialty-vehicle guideline is to begin close inspection around five to seven years of service and to treat the ten-year point as a serious replacement consideration, even if tread remains. The DOT date code on the sidewall is the best way to confirm tire age.
That matters because many lightly used vehicles wear out their tires chemically before they wear them out physically. A 2021 Mazda Trucks vehicle that sees only occasional miles may still develop age cracking, hardening, or pressure loss over time. If the tires are several years old, build age into your decision rather than relying only on how much tread is left.
How often should tires on a 2021 Mazda Trucks be inspected?
Tires on a 2021 Mazda Trucks vehicle should be inspected before every drive and especially before any longer highway trip. Look for sidewall cracking, cuts, punctures, uneven wear, bulges, and signs of pressure loss, and confirm that valve stems are in good condition. A quick visual inspection catches many problems before they become roadside issues.
Routine checks matter even more on vehicles that alternate between daily use and longer parked periods. A 2021 Mazda Trucks vehicle may look fine at a glance yet still have a low tire or a developing sidewall issue from curb contact or aging. Make pressure, tread condition, and sidewall inspection part of the same habit as checking fluids and lights before a longer outing.
Safety & Road Use
Are 2021 Mazda Trucks tires safe for highway driving?
The available 2021 Mazda Trucks products covered here are radial tires, and the products with visible speed ratings carry an S rating, which corresponds to a 112 mph ceiling. That places them comfortably above normal U.S. highway speeds when the tires are properly inflated, in good condition, and matched to the correct wheel. On a modern crossover platform like a 2021 Mazda Trucks vehicle, overall mechanical condition and proper maintenance matter just as much as the tire’s basic rating.
Highway safety depends on the complete package: tire age, inflation pressure, alignment, suspension condition, and load all play a role. The safest approach is to treat the speed rating as an upper limit, not a target, and to drive within the vehicle’s intended use. If your 2021 Mazda Trucks vehicle is carrying passengers or cargo, confirm the correct size and load capability before extended interstate travel.
What inflation pressure should I use for 2021 Mazda Trucks tires?
Inflation pressure on a 2021 Mazda Trucks tire should follow the vehicle manufacturer’s recommendation for the exact model and wheel package, with the tire maker’s pressure figure understood as the pressure associated with that tire’s maximum load rating rather than a blanket everyday setting. In the products covered here, the 215/65R16 appears at 1,565 pounds at 35 psi in Silvertown Radial form and 1,930 pounds at 65 psi in All-Terrain T/A KO2 form, while the 225/65R17 KO2 is rated at 2,150 pounds at 65 psi.
Those figures should not be transferred casually from one size or tire type to another. A 2021 Mazda Trucks vehicle may require a lower everyday operating pressure than the tire’s maximum rated pressure, especially when comparing passenger-style and LT-style products. Check the door-jamb placard or owner’s manual first, then confirm that the selected tire’s rated pressure and load capacity support how the vehicle is actually used.
What should I check before taking a 2021 Mazda Trucks on a longer drive?
Before a longer trip in a 2021 Mazda Trucks vehicle, inspect every tire for cracking, punctures, bulges, unusual wear, and proper inflation, and do not forget the spare if the vehicle carries one. Look at the valve stems, confirm tread condition across the full width, and make sure the tires are the correct size for the wheels on the vehicle. A quick walk-around often reveals issues that are easy to miss in day-to-day use.
Tires are only one part of the pre-drive routine on a modern crossover, but they are one of the easiest areas to check thoroughly. Pair the tire inspection with a broader review of fluids, brakes, lights, and wiper condition before any highway trip. If the 2021 Mazda Trucks vehicle has been parked for a while, pay extra attention to pressure loss and any vibration that might suggest a tire issue after storage.
