2024 GMC Trucks Tire Fitment Guide

2024 GMC Trucks vehicles use 22 different tire sizes across 11 model lines: 225/65R17, 225/60R18, 235/50R19, 235/80R17, 235/80R18, 245/75R17, 255/55R20, 255/70R17, 265/60R20, 265/65R18, 265/70R17, 275/45R22, 275/50R22, 275/50R24, 275/60R20, 275/65R18, 275/65R20, 275/70R18, 285/70R17, 305/55R22, 305/70R18, and 315/70R17. They span 17-, 18-, 19-, 20-, 22-, and 24-inch wheel diameters, with some sizes shared between related models such as Yukon and Yukon XL or Sierra 2500 HD and Sierra 3500 HD.

That range means 2024 GMC Trucks fitment is strongly model-dependent, not just year-and-make dependent. A Terrain, Acadia, Canyon, Yukon, Sierra 1500, Sierra HD, Hummer EV, and Sierra EV can all require different wheel diameters and section widths, so the correct starting point is always the exact model and the wheel package already on the vehicle.

On a 2024 GMC Trucks tire, 275/65R18 is a metric radial size. The first number, 275, is the section width in millimeters. The second number, 65, is the aspect ratio, meaning the sidewall height is 65 percent of the section width. The R indicates radial construction, and 18 is the wheel diameter in inches.

That same reading method applies to the other modern GMC truck sizes on this page, whether the vehicle uses 17-, 18-, 20-, 22-, or 24-inch wheels. Once you know how to read the code, the most important next step is matching that final wheel-diameter number to the actual wheel on the vehicle before comparing load rating, sidewall style, or tread character.

No, 2024 GMC Trucks models do not use the same tire size. The lineup spreads across compact and midsize crossovers, midsize pickups, light-duty and heavy-duty full-size trucks, full-size SUVs, and electric halo models, so tire sizing changes substantially by model. Even within a single model family, multiple wheel packages can produce several valid sizes.

That matters because a shared GMC badge does not make the tires interchangeable. A Yukon and Yukon XL may overlap, and some Sierra and Canyon sizes do as well, but an Acadia, Terrain, Hummer EV, Sierra EV, or Sierra HD often moves into completely different wheel diameters or section widths. Confirming model first prevents a lot of wasted time when narrowing choices.

The covered 2024 GMC Trucks replacement options use both RWL and RBL sidewall styles, depending on size. 275/65R18, 285/70R17, 265/70R17, 275/70R18, and 245/75R17 use RWL, while 275/65R20, 235/80R17, and 225/65R17 use RBL. Those sidewall treatments change the visual character of the tire even when the construction and basic size family remain similar.

For a buyer, sidewall style is partly an appearance decision and partly a matter of matching the truck's look and use. RWL usually reads more like a classic all-terrain visual statement, while RBL has a cleaner and more understated presentation. The right choice comes after the size is confirmed, since sidewall treatment follows the specific tire offering rather than the GMC model alone.

The covered 2024 GMC Trucks product range is made up of BFGoodrich offerings, primarily from the All-Terrain T/A KO2 family. BFGoodrich appears in 275/65R18, 285/70R17, 265/70R17, 275/65R20, 275/70R18, 245/75R17, 235/80R17, and 225/65R17. Those sizes cover a mix of Canyon, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, and Terrain applications.

That concentration means the current selection leans toward durable, truck-oriented radial choices rather than a broad spread of touring, highway, and off-road brands. If your 2024 GMC Trucks model uses one of the covered sizes, it helps to compare the tire's exact load index, speed symbol, rim-width range, and sidewall style instead of assuming every BFGoodrich option is interchangeable.

The two 285/70R17 choices for 2024 GMC Trucks vehicles are both BFGoodrich All-Terrain T/A KO2 radials with RWL sidewalls, but they differ in load and speed marking. One is 116Q, rated to 99 mph, with a maximum load of 2,755 pounds at 50 psi and a weight of 50.3 pounds. The other is 121/118R, rated to 106 mph, with a maximum load of 3,195 pounds at 80 psi and a weight of 58.2 pounds.

That means the practical choice is not cosmetic but capacity-focused. A Canyon owner should match the tire to the truck's use, especially if the vehicle carries extra equipment, sees rougher service, or needs a higher load reserve. The heavier-duty version asks more of the wheel and inflation setup, so checking the actual wheel and intended duty is the right next step.

Rim width requirements vary by tire size on 2024 GMC Trucks vehicles. Among the covered sizes, 275/65R18 and 285/70R17 fit 7.5- to 9.5-inch rims, 265/70R17 and 275/70R18 fit 7.0- to 9.0-inch rims, 275/65R20 fits 7.5- to 9.5-inch rims, 245/75R17 fits 6.5- to 7.5-inch rims, 235/80R17 fits 6.0- to 7.5-inch rims, and 225/65R17 fits 6.0- to 8.0-inch rims.

Those ranges show why size alone is not enough when ordering a replacement. Two tires may share the same wheel diameter but still expect different wheel widths, especially when comparing half-ton, HD, and crossover applications. If your 2024 GMC Trucks vehicle wears aftermarket wheels, verify actual wheel width before finalizing the tire choice.

The covered 2024 GMC Trucks tire offerings are modern radial products, and none of the available size markings include a tube-type designation. That points to tubeless use in the covered fitments, which is consistent with late-model GMC truck, SUV, and crossover wheel design. The key exception is always the wheel itself, especially if it has been modified from factory specification.

For most buyers, the practical step is to confirm the wheel condition, valve stem condition, and whether the wheel remains a proper tubeless design. A damaged bead seat or a nonstandard wheel can create sealing problems even when the tire itself is intended for tubeless service. That matters more than construction era here because every 2024 GMC Trucks size on this page is radial.

Original 2024 GMC Trucks wheels cannot be treated as universal across all tire sizes because the lineup uses multiple wheel diameters: 17, 18, 19, 20, 22, and 24 inches. A Sierra EV 24-inch setup, for example, is fundamentally different from a Terrain 17-inch wheel or a Sierra HD 20-inch wheel. Even within the same model, alternative factory wheel packages can change the tire size entirely.

The correct approach is to match tire size to the exact wheel diameter already on the vehicle and then verify that the wheel width falls within the acceptable range for that size when width data is available. That is especially important on trucks with optional wheel packages, appearance packages, or aftermarket replacements, where a same-model assumption can lead to an avoidable mismatch.

A stored 2024 GMC Trucks vehicle should be kept clean, dry, and out of direct sunlight, with the tires protected from ozone sources such as electric motors, battery chargers, welders, and air compressors. Keeping the tires at the correct cold pressure helps the casing hold its shape, and moving the vehicle periodically can reduce prolonged stress on one contact patch. Modern radials generally tolerate storage better than older bias-ply designs, but they still age from environment and time.

Long storage also calls for attention to the wheel and valve area, especially on heavier SUVs and trucks that place more static load on the tire. If the vehicle will sit for months, many collectors and seasonal drivers either move it occasionally or support it in a way that reduces constant loading. A quick visual check before the next drive is always worthwhile.

On a 2024 GMC Trucks vehicle, tire age usually matters more than mileage once the vehicle becomes a low-use truck, SUV, or collector-kept specialty model. A sound rule is to start evaluating tires closely at about five to seven years of age and to treat roughly ten years as a serious replacement point even if tread remains. The DOT date code on the sidewall is the easiest way to verify actual age.

Usage still matters, of course, because towing, heavy loads, heat cycles, and off-road service can shorten a tire's useful life. Even so, time-related hardening, cracking, and internal aging are often the deciding factors on vehicles that are not driven daily. A tire that still looks good from a distance may still be too old for dependable road use.

Tires on a 2024 GMC Trucks vehicle should be inspected before every drive and again before any longer highway run or towing trip. Look for cuts, bulges, uneven wear, cracking, embedded debris, and any sign that the tire is losing pressure. On trucks and SUVs, it also helps to look closely at shoulder wear and at the valve stems, since both can reveal service issues early.

A heavier-duty Sierra or a full-size Yukon can put very different demands on its tires than a Terrain or Acadia, so inspection should match the vehicle's real use. If the truck has been carrying heavy loads or the vehicle has sat unused, check cold inflation pressure before driving. Catching a problem in the driveway is far easier than dealing with it on the road.

Yes, the covered 2024 GMC Trucks tires are modern radials and can be appropriate for highway driving when the tire's load and speed rating match the vehicle's use. The available speed symbols include Q at 99 mph, R at 106 mph, and S at 112 mph, depending on size and product. Those ratings exceed normal U.S. highway speeds, but they must still be considered alongside load index, inflation, and the intended duty of the truck or SUV.

In real use, the bigger safety factor is often whether the vehicle is properly maintained and whether the tire matches the job. A Sierra HD carrying weight, a Canyon used off-road, and a Terrain driven on pavement place very different demands on the tire. Safe highway use starts with the correct size, proper pressure, sound condition, and a realistic understanding of the vehicle's role.

Inflation pressure on 2024 GMC Trucks tires depends on the exact size and product. Among the covered tires, examples include 275/65R18 at 80 psi for 3,415 pounds, 285/70R17 at either 50 psi for 2,755 pounds or 80 psi for 3,195 pounds, 265/70R17 at either 50 psi for 2,470 pounds or 80 psi for 3,195 pounds, 275/65R20 at 80 psi for 3,750 pounds, and 225/65R17 at 65 psi for 2,150 pounds.

Those figures are tire ratings, not universal vehicle settings. The correct day-to-day pressure for your 2024 GMC Trucks vehicle should be checked against the factory placard or owner's manual, then cross-checked with the tire maker's limits for the exact replacement tire. Never transfer a pressure from one size or load range to another just because the vehicles seem similar.

Before a longer drive in a 2024 GMC Trucks vehicle, inspect every tire for visible cracking, cuts, punctures, bulges, unusual wear, and proper cold inflation pressure. Check the spare as well, since it is often forgotten until needed. On trucks and SUVs that may tow or carry cargo, make sure the tire's load rating and inflation are appropriate for the way the vehicle will actually be used that day.

Tires are only one part of a longer-trip check on a modern GMC, but they are one of the easiest things to verify before leaving. It also makes sense to look at valve stems, wheel condition, and any recent signs of pressure loss. If the vehicle has been sitting, a short local test drive before a highway run can reveal vibration, pull, or pressure issues early.