The 2014 GMC Trucks Yukon XL 1500 sits at the full-size end of the SUV market, combining long-wheelbase passenger space with the towing, family-hauling, and road-trip duties that made the Yukon XL a staple of modern American utility vehicles. Buyers looking at this exact model are usually balancing factory-style fitment with the realities of wheel packages and trim-specific tire sizing. This Yukon XL 1500 uses radial tires in three primary sizes: 265/70R17, 275/55R20, and 285/50R20. That means the real decision is confirming the exact sub-model and wheel diameter first, then choosing a tire that matches the vehicle's intended street or light-truck use.
Which Tire Size Is Right for The 2014 GMC Trucks Yukon XL 1500
Three primary tire sizes apply to the 2014 GMC Trucks Yukon XL 1500, and they vary by sub-model and wheel diameter. The first step is identifying whether the vehicle is an SLE, SLT, or Denali and confirming whether it is on a 17-inch or 20-inch rim. Once that is clear, the focus shifts to choosing the right radial tire within the correct size and intended use.
275/55R20 is a modern metric radial size in which 275 is the nominal section width in millimeters, 55 is the aspect ratio, R identifies radial construction, and 20 is the rim diameter in inches. On the 2014 GMC Trucks Yukon XL 1500, this size represents a 20-inch wheel fitment used across more than one sub-model. It is the most broadly shared size in the lineup, so the main question is usually whether the vehicle still has its original wheel package. This size makes sense when the Yukon XL is equipped with 20-inch wheels and the owner wants to stay with the proper metric radial format.
285/50R20 is also a modern metric radial, with a 285-millimeter nominal section width, a 50-series profile, radial construction, and a 20-inch rim diameter. For the 2014 GMC Trucks Yukon XL 1500, this size is tied to a specific Denali fitment rather than the full model range. Its slightly wider, lower-profile format means it should be treated as a sub-model-specific 20-inch choice rather than a general Yukon XL size. This is the size to evaluate when the Denali is already equipped for it and the goal is to match that existing wheel and tire setup.
265/70R17 follows the same metric radial format, with 265 as the nominal width in millimeters, 70 as the aspect ratio, R for radial construction, and 17 for the rim diameter in inches. On the 2014 GMC Trucks Yukon XL 1500, this size applies to 17-inch wheel configurations used on SLE and SLT models. Available products in this size include BFGoodrich All-Terrain T/A KO2 options with raised white letter sidewalls, giving it a more truck-oriented appearance and use profile. It is the right size to consider when the vehicle remains on its 17-inch wheels and the owner wants a fitment geared toward utility-minded driving.
Sub-model fitment matters on the 2014 GMC Trucks Yukon XL 1500 because tire size varies by trim and wheel package. SLE, SLT, and Denali do not all share the same combination, so identifying the exact sub-model and current wheel diameter should come before comparing tires.
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2014 GMC Trucks Yukon XL 1500 Denali
The 2014 GMC Trucks Yukon XL 1500 Denali uses 20-inch radial tire fitments, with both 275/55R20 and 285/50R20 appearing in this sub-model. Tire selection starts with confirming which 20-inch wheel setup is actually on the vehicle, especially if wheels have ever been changed.
The 2014 GMC Trucks Yukon XL 1500 SLE can use either a 17-inch or 20-inch radial tire setup, depending on how the vehicle is equipped. That makes wheel-diameter confirmation especially important before choosing between a more utility-oriented 17-inch fitment and a 20-inch alternative.
The 2014 GMC Trucks Yukon XL 1500 SLT also spans both 17-inch and 20-inch radial fitments. Choosing the correct tire means checking the actual wheel package on the vehicle first, then comparing tire options that suit its road use and overall appearance.
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 GMC Trucks Yukon XL 1500 Tires for Sale
Available products for the 2014 GMC Trucks Yukon XL 1500 are centered on 265/70R17, with BFGoodrich All-Terrain T/A KO2 options in raised white letter form. The choices differ in load capacity, inflation specification, and weight while sharing the same 17-inch rim-width range.
These FAQs focus on the tire sizes used on the 2014 GMC Trucks Yukon XL 1500, how trim and wheel diameter affect fitment, and what to compare before choosing replacement tires for street or light-truck use.
Tire Size & Fitment
What tire size fits a 2014 GMC Trucks Yukon XL 1500?
The 2014 GMC Trucks Yukon XL 1500 uses three primary radial tire sizes: 265/70R17, 275/55R20, and 285/50R20. Which one applies depends on the sub-model and wheel package, with SLE and SLT using 17-inch or 20-inch setups and Denali using 20-inch fitments.
The key is to confirm the exact trim and the wheel diameter currently on the vehicle before ordering tires. A Yukon XL that has had wheels changed over time may no longer match the original trim-based setup, so the sidewall size and actual rim diameter should both be checked at the vehicle.
What size rim does a 2014 GMC Trucks Yukon XL 1500 use?
The 2014 GMC Trucks Yukon XL 1500 uses either a 17-inch or 20-inch rim, depending on the tire size and sub-model configuration. The 265/70R17 size uses a 17-inch rim, while both 275/55R20 and 285/50R20 use a 20-inch rim.
Rim diameter should be verified before looking at tread style, brand, or load specification because the tire must match the wheel first. The easiest check is the size already molded into the current tire sidewall, then confirm that the wheel itself has not been replaced with an aftermarket size.
Why does the 2014 GMC Trucks Yukon XL 1500 have more than one tire size?
More than one tire size appears on the 2014 GMC Trucks Yukon XL 1500 because fitment varies by sub-model and wheel package. SLE and SLT can use either 265/70R17 or 275/55R20, while Denali uses 20-inch sizes that include 275/55R20 and 285/50R20.
That means tire selection is really a wheel-and-trim question before it becomes a brand or style question. Owners should confirm the actual sub-model, then verify whether the SUV is on 17-inch or 20-inch wheels so the replacement tire matches the current configuration and intended use.
Choosing the Right Tire
What should I consider when choosing a tire for a 2014 GMC Trucks Yukon XL 1500?
Start with the correct size for the exact sub-model and wheel diameter, since the 2014 GMC Trucks Yukon XL 1500 uses both 17-inch and 20-inch fitments. After that, compare construction, load specification, sidewall style, and how the vehicle is actually used for daily driving, hauling, or more utility-focused service.
A Yukon XL used mostly on pavement may call for a different tire character than one that sees rougher roads or heavier loads. Rim-width compatibility, tire weight, and maximum load figures are also worth comparing, especially on a full-size SUV where passenger capacity and cargo use can influence the right choice.
What sidewall styles are available for 2014 GMC Trucks Yukon XL 1500 tires?
Among the currently available options for this Yukon XL 1500, the 265/70R17 products use an RWL sidewall, meaning raised white letters. That gives the tire a more traditional light-truck appearance than a plain blackwall and suits the all-terrain character of the BFGoodrich KO2 offerings in this size.
Sidewall style affects appearance more than fitment, so it should be chosen after confirming the correct size and wheel diameter. If the goal is a more truck-oriented look on an SLE or SLT running 17-inch wheels, raised white letters can be a strong visual match without changing the required size.
What brands offer tires for the 2014 GMC Trucks Yukon XL 1500?
BFGoodrich is represented in the currently available product selection for the 2014 GMC Trucks Yukon XL 1500, specifically in 265/70R17. The tire series available in that size is the All-Terrain T/A KO2, offered in more than one load specification while keeping the same basic size and construction.
Brand matters most after the fitment is settled, because the correct size, rim match, and intended use still come first. Once those are confirmed, comparing the BFGoodrich options by load capacity, pressure rating, weight, and sidewall presentation helps narrow the choice for a street-driven or utility-focused Yukon XL.
Restoration & Appearance
Does correct tire fitment matter for a 2014 GMC Trucks Yukon XL 1500 restoration or stock-style build?
Yes, correct tire fitment still matters on a 2014 GMC Trucks Yukon XL 1500 even though it is a modern full-size SUV rather than an older collector car. The right tire size helps preserve the intended stance, wheel-to-tire proportion, and overall visual balance of the specific trim and wheel package.
A stock-style build should begin with the proper 17-inch or 20-inch fitment for the vehicle as equipped, then move to tread and sidewall preferences. When originality is especially important, checking window-sticker information, build records, or marque-specific references can help confirm which wheel and tire combination belongs on that exact truck.
Which sidewall style suits a stock-style 2014 GMC Trucks Yukon XL 1500?
For the available 265/70R17 fitment, raised white letter sidewalls give the 2014 GMC Trucks Yukon XL 1500 a more truck-oriented and utility-focused appearance. That look pairs naturally with an all-terrain tire and can suit an SLE or SLT that is meant to retain a traditional SUV presentation rather than a dressed-up street look.
The best appearance choice still depends on the wheel package and the character you want the vehicle to project. A stock-style build should keep sidewall treatment secondary to correct size, because proportion and fitment usually shape the finished look more than lettering or cosmetic sidewall details alone.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2014 GMC Trucks Yukon XL 1500?
Yes, modifications can affect tire fitment on a 2014 GMC Trucks Yukon XL 1500, especially when wheel diameter, wheel width, offset, ride height, or suspension components have been changed. Even when the tire size looks close to a stock fitment, altered hardware can change clearance at the fender, steering, or suspension points.
A Yukon XL with aftermarket wheels should have the actual wheel size verified before replacement tires are chosen. It is also smart to check lock-to-lock steering clearance, suspension travel, and any signs of rubbing so the selected tire works with the vehicle as it sits now, not just as it left the factory.
What should I inspect before driving a 2014 GMC Trucks Yukon XL 1500 on new tires?
Before driving a 2014 GMC Trucks Yukon XL 1500 on new tires, inspect basic condition points such as inflation pressure, valve stems, wheel condition, lug torque, and any visible contact marks inside the wheelhouse. It also helps to confirm that all four tires match the intended size and load specification for the vehicle's setup.
After installation, a short road test can reveal pull, vibration, or rubbing that was not obvious at rest. Rechecking pressure after the first drives and watching for uneven wear or air loss is especially important on a full-size SUV, where load and passenger use can place more demand on the tire package.
How should tires on a 2014 GMC Trucks Yukon XL 1500 be maintained?
Tires on a 2014 GMC Trucks Yukon XL 1500 should be maintained with regular pressure checks, tread inspection, and periodic examination of the sidewalls for cracking, cuts, bulges, or irregular wear. On a vehicle of this size, staying attentive to wear pattern and air retention is important because heavier use can expose problems quickly.
Rotation intervals, alignment checks, and routine visual inspection become even more valuable if the SUV tows, carries passengers often, or sits for long periods between drives. Storage conditions matter too, since prolonged heat, sunlight, and inactivity can age tires even when tread depth still looks serviceable.
