Buick Trucks Encore GX Tires

Buick Trucks Encore GX uses two tire sizes across the 2020 through 2026 span: 225/55R18 and 245/45R19. The 225/55R18 size appears from 2020 through 2026 and matches 18-inch wheels. The 245/45R19 size appears from 2024 through 2026 and matches 19-inch wheels. Both are metric radial sizes, so the rim diameter is shown directly in the last number of the code.

The practical takeaway is that year alone is not always enough, especially for 2024 through 2026. An Encore GX from those years can be fitted with either 18-inch or 19-inch wheels, and the tire size must match the wheel actually on the vehicle. Check the sidewall of the current tire, the wheel size marking, or the factory door-jamb label before replacing tires.

A 2024 Buick Trucks Encore GX has two tire sizes listed because that model year was offered with two different wheel packages. One fitment uses 225/55R18 on 18-inch wheels, while the other uses 245/45R19 on 19-inch wheels. The difference is not a construction change, since both are radial tires, but a wheel-diameter and profile change within the same model year.

That means the correct tire depends on the specific Encore GX configuration in your garage, not just the model year on the title. Later Encore GX years follow the same pattern, so 2025 and 2026 owners should verify wheel diameter the same way. If the vehicle has already had wheel changes, use the wheel and current tire markings rather than assuming factory-original equipment remains in place.

Buick Trucks Encore GX uses 18-inch and 19-inch rim diameters in the years covered here. From 2020 through 2023, the listed fitment is 18-inch only through tire size 225/55R18. Beginning in 2024, Buick Trucks Encore GX adds a 19-inch fitment through tire size 245/45R19 while continuing the 18-inch option. The rim diameter is the last number in each size code, so 18 and 19 are direct wheel-size references.

That split matters because a tire sized for an 18-inch wheel cannot be mounted on a 19-inch wheel, and the reverse is equally true. Owners of 2024 to 2026 Buick Trucks Encore GX models should treat wheel diameter as the first fitment checkpoint before comparing width, aspect ratio, or brand choice. Once the wheel size is confirmed, the correct tire size follows naturally.

A 2025 Buick Trucks Encore GX can use either 225/55R18 or 245/45R19, depending on which wheel package the vehicle carries. The simplest confirmation point is the existing tire sidewall, where the full size code is molded into the casing. The wheel size can also be verified from the wheel itself or the vehicle information label. Because both fitments are radial metric sizes, the wheel diameter is built right into the code.

Once the size is confirmed, keep the replacement within that same size unless a knowledgeable specialist is guiding a complete wheel-and-tire change. Matching the original wheel diameter preserves the intended overall fit, while the width and aspect ratio keep the tire proportion correct for the wheel package. That approach is especially important on later Encore GX years, where two factory-style sizes overlap.

The available Buick Trucks Encore GX products listed here come from BFGoodrich and Nitto. The 19-inch 245/45R19 fitment includes BFGoodrich g-Force Comp 2 AS, BFGoodrich g-Force Phenom T/A, and Nitto NT555 G2. All of those are radial blackwall products aimed at the later 19-inch wheel package rather than the earlier 18-inch-only years.

Brand choice should come after size confirmation, because the right brand in the wrong wheel diameter is still the wrong tire. If your Buick Trucks Encore GX uses 19-inch wheels, these listings provide a useful starting point for comparing tread family and casing style within the same fitment. If your vehicle carries 18-inch wheels, stay with the 225/55R18 fitment before narrowing the field further.

The Buick Trucks Encore GX tire products listed here use a blackwall sidewall style. That applies to the available 245/45R19 products from BFGoodrich and Nitto. Blackwall sidewalls are consistent with modern crossover and performance-oriented replacement tires, especially on later-model vehicles using low-profile metric radial sizes.

For a Buick Trucks Encore GX owner, that means sidewall appearance is straightforward rather than a restoration-style choice between blackwall, whitewall, or period sidewall treatments. The more important decision points are wheel diameter, exact size, and the driving character you want within the correct fitment. Start with 18-inch versus 19-inch confirmation, then compare brand and tread family inside that size.

The listed Buick Trucks Encore GX products include three tire series for the 245/45R19 fitment: g-Force Comp 2 AS, Nitto NT555 G2, and g-Force Phenom T/A. All three are radial tire families, but they represent different branded performance lines rather than different construction eras. In other words, the main distinction here is series identity within the same modern radial sizing format, not a switch between bias-ply and radial technology.

For the buyer, the first job is still confirming that the vehicle actually uses 245/45R19 on 19-inch wheels. After that, series selection becomes a matter of choosing among the available modern radial options in the correct size. Because these are all blackwall radial products within one fitment, your decision can focus on the preferred tire family without worrying about incompatible construction types.

A Buick Trucks Encore GX should be stored on a clean, dry surface away from direct sunlight, ozone sources, and major temperature swings. Tires age from time and environment as well as mileage, so a garage that is cool, shaded, and free of electric motors or welding equipment is kinder to the rubber. Keeping the tires inflated to the vehicle-maker specification also helps prevent flat spotting during longer periods of inactivity.

If the Buick Trucks Encore GX will sit for extended periods, move it occasionally so the same section of tread is not always carrying the load. Owners who store the vehicle seasonally should inspect the sidewalls and tread shoulders before returning it to regular use. Good storage habits do not stop aging, but they do slow unnecessary deterioration and preserve ride quality.

Tires on a Buick Trucks Encore GX should be inspected regularly, with a quick visual check before driving and a more thorough inspection at routine service intervals. Look for uneven wear, cuts, punctures, sidewall cracking, embedded debris, and pressure loss. On a vehicle that may alternate between city use and longer highway travel, keeping an eye on wear pattern can also reveal alignment or inflation issues before they become expensive.

Regular inspection is especially important on later Buick Trucks Encore GX models that may use lower-profile 19-inch tires, because shorter sidewalls can be less forgiving of curb impacts and pothole damage. A habit of checking tire pressure and sidewall condition every few weeks goes a long way toward preserving proper handling. If anything looks irregular, have the tires and wheels examined before continued driving.

Tires on a Buick Trucks Encore GX should be replaced when age-related deterioration, structural damage, or repeated pressure loss appears, even if tread depth still looks usable. Cracking, bulges, impact damage, or persistent vibration are all signs that the tire deserves closer attention. Collector-car rules about replacing old tires on sight are less dramatic on a modern Encore GX, but time still matters as much as wear.

The practical standard is to treat tread depth as only one part of the decision. A Buick Trucks Encore GX that sees low annual mileage can still end up riding on tires that have aged out before they have worn out. If the vehicle has spent long periods parked outdoors or under load, replacement may come sooner than the tread pattern alone would suggest.

A Buick Trucks Encore GX fitted with the correct size and maintained in sound condition can be driven on public roads in normal modern use. The listed products for the 19-inch fitment are radial tires intended for contemporary road service, and the 18-inch fitment is also a modern radial size. Safety depends on more than the size code alone, though, because tire age, inflation, alignment, and wheel condition all affect real-world performance.

Before regular road use, confirm that all four tires match the wheel diameter and that there is no visible damage or advanced aging. A later Buick Trucks Encore GX with mixed wheel sizes or mismatched profiles is not properly sorted, even if the tires physically hold air. Correct fitment and condition should be treated as the baseline before judging ride quality or handling.

Before driving a Buick Trucks Encore GX, check inflation pressure, visible tread and sidewall condition, and the exact tire size on the vehicle. On 2024 through 2026 models, verify that the installed tires match either the 18-inch or 19-inch wheel package all the way around. Also look for nails, cuts, bulges, or uneven shoulder wear, since those signs can indicate either tire damage or a chassis issue that needs attention.

That quick inspection is particularly useful after the vehicle has been parked for a while or after any recent wheel or tire work. A Buick Trucks Encore GX that feels unsettled on the road may simply have pressure loss or a mismatched tire size on one corner. Catching those issues early helps protect both the tires and the driving experience.

A Buick Trucks Encore GX should always be driven within lawful road speeds and within the limits of the exact tires fitted to it. The modern metric radial sizes used here are appropriate for contemporary driving when the tires are correctly sized, properly inflated, and in sound condition. Speed suitability is tied to the actual tire specification on the vehicle, not just the model name or the fact that it is an Encore GX.

In practical terms, owners should avoid treating wheel and tire upgrades as cosmetic only, because lower-profile 19-inch fitments can react differently to road impacts and pressure changes than 18-inch fitments. Smooth, conservative operation extends tire life and helps the vehicle behave as intended. If the Encore GX has older tires of uncertain age, use extra caution until they are fully evaluated.