The 2014 Buick Regal sits at an interesting point in Buick history, blending midsize comfort with a more European-flavored sport sedan feel than many earlier Regals. Depending on trim, it could lean toward everyday touring or a sharper GS performance personality, and that split matters when choosing tires. This model uses radial fitments across four primary sizes: 235/50R17, 235/50R18, 245/40R19, and 255/35R20. Available choices range from blackwall performance-oriented series to redline and raised white letter options in select sizes. The right decision starts with identifying the exact sub-model and wheel diameter, then matching the tire's appearance, profile, and intended road use to the car you have.
Which Tire Size Is Right for The 2014 Buick Regal
Four tire sizes apply to the 2014 Buick Regal, and they vary by sub-model and wheel diameter rather than by construction, since all primary fitments are radial. The first step is confirming the exact trim and the actual rim diameter on the car, because this Regal can use 17-, 18-, 19-, or 20-inch wheels. Once that is established, the decision becomes choosing the right tire series, sidewall style, and overall character within the correct size.
235/50R18 is a modern metric radial size in which 235 is the nominal section width in millimeters, 50 is the aspect ratio, R identifies radial construction, and 18 is the wheel diameter in inches. On the 2014 Buick Regal, this size suits trims that use an 18-inch wheel and balances contemporary proportions with everyday drivability. Available choices include BFGoodrich, Nitto, and Pro-Trac, with blackwall, redline, and raised white letter sidewall treatments depending on the tire series. It is a useful size to evaluate when the goal is to keep the Regal on its correct wheel diameter while still choosing between understated and more aggressive visual presentation.
245/40R19 is a metric radial size that uses a 245-millimeter nominal width, a 40-series profile, and a 19-inch rim diameter. For the 2014 Buick Regal, this size is tied to a more performance-oriented setup and carries a lower-profile look than the 17- and 18-inch fitments. Product choices center on BFGoodrich g-Force series options in blackwall form, which keeps the selection focused on tire series rather than sidewall treatment. This size is the one to consider when the car is equipped with 19-inch wheels and the goal is to preserve the sharper stance and handling-oriented character of that configuration.
255/35R20 is a wide, low-profile metric radial size, with 255 denoting nominal width in millimeters, 35 showing the aspect ratio, and 20 marking the wheel diameter. On the 2014 Buick Regal, it represents the largest wheel fitment in the range and creates a distinctly modern appearance. Available options include BFGoodrich, Nitto, and Pro-Trac, with blackwall, redline, and raised white letter styles depending on the series selected. This size deserves careful attention when appearance matters, since changing away from the intended 20-inch setup can alter the look of the GS and may require broader checks for wheel and clearance compatibility.
235/50R17 is a metric radial format with a 235-millimeter nominal width, a 50-series profile, and a 17-inch rim diameter. For the 2014 Buick Regal, this size appears on an eAssist configuration that uses a smaller wheel diameter than other trims. The available product selection is narrower here, centered on a BFGoodrich blackwall radial in the g-Force Comp 2 AS series rather than a broader mix of brands and sidewall styles. This is the size to confirm when the car wears 17-inch wheels, because moving to another Regal size means checking wheel diameter and overall setup rather than choosing by model name alone.
Tire fitment on the 2014 Buick Regal varies by sub-model, and in some cases a single trim can appear with more than one wheel diameter. Identifying the exact trim level and confirming the wheels currently on the car are the key steps before comparing tires.
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2014 Buick Regal Base
The 2014 Buick Regal Base uses a 235/50R18 radial fitment. That keeps tire selection focused on choosing the right 18-inch product, whether the priority is a straightforward blackwall performance radial or a more distinctive sidewall presentation.
The 2014 Buick Regal GS uses either 245/40R19 or 255/35R20 radial tires, so wheel diameter matters immediately on this trim. Tire choice depends on confirming whether the car has 19-inch or 20-inch wheels, then selecting the series and sidewall style that best matches its performance-oriented setup.
The 2014 Buick Regal Premium Turbo uses the 235/50R18 radial size. That makes the decision less about basic fitment and more about comparing available brands, tire series, and sidewall treatments within the correct 18-inch format.
The 2014 Buick Regal Premium eAssist can use either 235/50R17 or 235/50R18 radial tires, making wheel confirmation especially important. Before choosing a replacement, check whether the car is on 17-inch or 18-inch rims so the tire size matches the actual setup rather than the trim name alone.
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 2014 Buick Regal Tires for Sale
Available 2014 Buick Regal tires span BFGoodrich, Nitto, and Pro-Trac offerings across several g-Force, NT555 G2, and Street Pro III series. Depending on size, buyers can compare blackwall, redline, and raised white letter styles along with differing rim-width specifications and load-related details.
These 2014 Buick Regal tire questions focus on the fitment points that matter most: identifying the correct size by sub-model, confirming wheel diameter, comparing available radial choices, and checking the car before regular road use.
Tire Size & Fitment
What tire size fits a 2014 Buick Regal?
A 2014 Buick Regal can use 235/50R17, 235/50R18, 245/40R19, or 255/35R20, depending on the sub-model and wheel setup. All of these are radial tire sizes, and they do not apply universally across every Regal trim.
The most important step is matching the tire to the exact trim and the wheel diameter currently on the car. A Base or Premium Turbo points you toward 235/50R18, while a GS may use 19-inch or 20-inch fitments, and a Premium eAssist may use 17-inch or 18-inch wheels.
What size rim does a 2014 Buick Regal use?
The 2014 Buick Regal uses several rim diameters, including 17-inch, 18-inch, 19-inch, and 20-inch wheels. The correct rim size depends on the sub-model and on the wheel package actually installed on the car.
Checking the wheel diameter before ordering tires matters because each Regal tire size is tied to a specific rim size. Reading the size on the current tire sidewall and confirming the wheel itself is especially important on GS and Premium eAssist models, where more than one wheel diameter can appear.
Why does the 2014 Buick Regal have more than one tire size?
The 2014 Buick Regal has more than one tire size because different sub-models use different wheel and tire packages. The Base and Premium Turbo use 235/50R18, the GS uses either 245/40R19 or 255/35R20, and the Premium eAssist can use 235/50R17 or 235/50R18.
That means trim level alone is not always enough if the car has been changed or if a model came with more than one factory-style wheel diameter. The safest approach is to verify both the sub-model and the actual wheel size on the vehicle so the new tires match the setup already in place.
Choosing the Right Tire
What should I consider when choosing a tire for a 2014 Buick Regal?
Start with the correct tire size for the specific 2014 Buick Regal sub-model and wheel diameter, then compare the available radial options within that size. The main selection points are tire series, sidewall style, rim-width compatibility, and any load-related details shown for the tire.
A Regal used as a daily driver may call for a different character than one kept for a more aggressive appearance or seasonal use. Once the size is confirmed, compare whether a blackwall, redline, or raised white letter tire better suits the car's look and whether the wheel width falls within the tire's stated range.
What sidewall styles are available for 2014 Buick Regal tires?
Sidewall style depends on tire size, but the 2014 Buick Regal lineup includes blackwall options across all four primary sizes. In select sizes, especially 235/50R18 and 255/35R20, there are also redline and raised white letter choices.
That gives the Regal owner a real appearance decision beyond simple size matching. Blackwall keeps the look more understated and contemporary, while redline or raised white letter sidewalls add a more expressive performance flavor, so the right pick often comes down to whether the car is being kept subtle or made more visually assertive.
What brands offer tires for the 2014 Buick Regal?
Tires for the 2014 Buick Regal are available from BFGoodrich, Nitto, and Pro-Trac, depending on size. BFGoodrich appears across all four primary sizes, while Nitto and Pro-Trac are offered in selected 18-inch and 20-inch fitments.
Brand alone should not drive the decision, because the available choices also differ by tire series and sidewall treatment. After confirming the correct size, compare which brands are offered in that exact fitment and then look at the series character, sidewall appearance, and wheel-width specifications that matter for your Regal.
Restoration & Appearance
Which tire should I choose for a period-style 2014 Buick Regal?
A period-style 2014 Buick Regal still starts with the correct modern radial size for the trim and wheel diameter already on the car. From there, the choice becomes one of visual character, with blackwall options for a clean factory-era look and redline or raised white letter choices in select sizes for a more assertive appearance.
Because this is a newer collector-era Buick, appearance goals often come down to how closely the tire complements the car's original design language rather than recreating an antique tire look. Keeping the proper size and profile matters more than chasing a dramatic style change that could visually throw off the Regal's stance.
Does correct tire fitment matter for a 2014 Buick Regal restoration?
Correct tire fitment matters on a 2014 Buick Regal restoration because wheel diameter, profile, and sidewall presentation all affect how the finished car sits and looks. Using the proper size for the trim helps preserve the intended proportions, especially on GS and eAssist models where multiple wheel packages exist.
A restoration-oriented buyer should confirm the exact wheel setup on the car before selecting tires, particularly if the vehicle has changed hands or has had wheels replaced. When exact visual authenticity matters, the best path is to compare the current setup with vehicle-specific reference material and then choose the nearest appropriate tire style.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2014 Buick Regal?
Yes, modifications can affect tire fitment on a 2014 Buick Regal even when the tire size matches a Regal application. Aftermarket wheels, changes in wheel width, altered offset, suspension lowering, or body modifications can all influence clearance and how the tire sits in the wheel opening.
A Regal with changed wheels or suspension should be checked carefully before choosing among the original size options. Confirm the actual rim diameter and width, then inspect steering clearance, fender clearance, and any signs of rubbing so the selected tire works with the car's present setup rather than its original trim description.
What should I inspect before driving a 2014 Buick Regal on new tires?
Before driving a 2014 Buick Regal on new tires, inspect the wheel condition, verify the tire size matches the wheel diameter, and confirm the tires are inflated properly for the application. It is also wise to check for suspension wear, uneven previous tire wear, and any visible interference at full steering lock.
A short test drive should be followed by another look for rubbing, air loss, or vibration, especially on low-profile GS fitments. Catching those issues early helps prevent damage to the tire and makes it easier to address alignment, wheel, or suspension concerns before the car is put back into regular use.
How often should tires on a 2014 Buick Regal be inspected?
Tires on a 2014 Buick Regal should be inspected regularly, with close attention to tread wear, cuts, punctures, cracking, bulges, and pressure loss. Cars that are driven infrequently still need routine checks because aging and storage conditions can affect tire condition even when mileage stays low.
A monthly visual inspection is a sensible baseline, and the tires should also be checked before longer drives or after seasonal storage. Any Regal showing uneven wear or repeated pressure changes deserves a closer look at alignment, wheel condition, and valve stems so small problems do not turn into road-use issues.
