The 2015 RAM Trucks 3500 Laramie sits in the heavy-duty pickup world where towing strength, payload capability, and everyday road manners all matter. In Laramie trim, the truck also carries a more upscale presentation, so tire choice affects both working ability and overall stance. This model uses radial tire fitments in 17-, 18-, and 20-inch sizes depending on whether the truck is single-rear-wheel or dual-rear-wheel and which wheel package is on it. Available options here lean toward BFGoodrich All-Terrain T/A KO2 products with raised white letter or black sidewall styling. The key is confirming the exact sub-model and wheel diameter before comparing appearance, load capability, and intended use.
Which Tire Size Is Right for The 2015 RAM Trucks 3500 Laramie
Three primary tire sizes apply to the 2015 RAM Trucks 3500 Laramie, and they vary by sub-model and wheel diameter. The first step is identifying whether the truck is 4x2, 4x4, or a DRW configuration, then confirming whether it rides on a 17-, 18-, or 20-inch wheel. Once that is settled, the decision shifts to choosing the right radial tire style and product details for how the truck is used.
285/60R20 is a metric radial size where 285 gives the nominal section width in millimeters, 60 indicates the aspect ratio, R marks radial construction, and 20 identifies a 20-inch wheel. For the 2015 RAM Trucks 3500 Laramie, this is another single-rear-wheel fitment, but it belongs only on trucks equipped with the corresponding 20-inch wheels. Its shorter profile relative to the 18-inch option makes wheel confirmation especially important before selection. This is the size to focus on when the truck has the factory-style 20-inch wheel package or an equivalent wheel arrangement already in place.
235/80R17 is a metric radial size in which 235 represents nominal section width in millimeters, 80 is the aspect ratio, R signifies radial construction, and 17 denotes the wheel diameter in inches. On the 2015 RAM Trucks 3500 Laramie, this size belongs to the DRW versions, so it fills a different role from the single-rear-wheel fitments. BFGoodrich offers an All-Terrain T/A KO2 in this size with black sidewall styling, a 6.0 to 7.5 inch rim-width range, and a load figure of 3,085 pounds at 80 psi. It is the size to verify when the truck is a dual-rear-wheel Laramie and maintaining the correct wheel-and-tire setup is the priority.
Tire fitment on the 2015 RAM Trucks 3500 Laramie depends on the exact sub-model, and the biggest difference is between single-rear-wheel and dual-rear-wheel trucks. Checking the drivetrain and DRW status matters first, because those details determine both the tire size and the wheel diameter you need to match.
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2015 RAM Trucks 3500 Laramie 4x2
The 2015 RAM Trucks 3500 Laramie 4x2 uses single-rear-wheel fitments, with either 275/70R18 or 285/60R20 depending on the wheel package. Tire selection starts with confirming whether the truck has 18-inch or 20-inch wheels, then comparing radial options that suit its intended road or light off-road use.
The 2015 RAM Trucks 3500 Laramie 4x2 (DRW) uses the 235/80R17 radial size, setting it apart from the single-rear-wheel versions. Tire choice here should stay focused on the correct dual-rear-wheel fitment, with careful attention to wheel compatibility, load capacity, and the truck's working role.
The 2015 RAM Trucks 3500 Laramie 4x4 shares the same single-rear-wheel tire-size pattern as the 4x2, using either 275/70R18 or 285/60R20. The practical decision is confirming the installed wheel diameter first, then selecting a radial tire that matches the truck's stance, use, and wheel specifications.
The 2015 RAM Trucks 3500 Laramie 4x4 (DRW) uses 235/80R17, just like the other dual-rear-wheel Laramie configuration. That makes the tire decision more straightforward, but it remains important to keep the correct DRW-oriented size and verify wheel condition, tire condition, and service demands before road use.
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 2015 RAM Trucks 3500 Laramie Tires for Sale
Available choices for the 2015 RAM Trucks 3500 Laramie focus on BFGoodrich All-Terrain T/A KO2 radial tires, with fitments in 17- and 18-inch sizes. The product grid highlights useful differences in sidewall treatment, rim-width compatibility, weight, and load specification.
Owners of a 2015 RAM Trucks 3500 Laramie usually need to sort out tire size by sub-model first, then compare wheel diameter, DRW versus single-rear-wheel fitment, product style, and road-use checks before mounting new tires.
Tire Size & Fitment
What tire size fits a 2015 RAM Trucks 3500 Laramie?
The 2015 RAM Trucks 3500 Laramie uses three possible radial tire sizes: 275/70R18, 285/60R20, and 235/80R17. The correct one depends on the exact sub-model and wheel setup, with 275/70R18 and 285/60R20 used on single-rear-wheel trucks and 235/80R17 used on DRW versions.
The most important step is confirming whether the truck is 4x2 or 4x4, then whether it is DRW and what wheel diameter is currently on the vehicle. A tire size should match the wheel it is designed for, and any truck with aftermarket wheels, suspension changes, or prior tire substitutions deserves an extra clearance and compatibility check before replacement.
What size rim does a 2015 RAM Trucks 3500 Laramie use?
A 2015 RAM Trucks 3500 Laramie can use 17-inch, 18-inch, or 20-inch rims, depending on the sub-model and tire size. The 235/80R17 fitment uses a 17-inch rim, the 275/70R18 fitment uses an 18-inch rim, and the 285/60R20 fitment uses a 20-inch rim.
Wheel diameter should be confirmed before choosing a tire because the three primary sizes are not all built for the same rim. It also helps to check wheel width, especially on trucks that have had wheel changes, since the available products include specific rim-width ranges that should line up with the actual wheel on the truck.
Do all 2015 RAM Trucks 3500 Laramie sub-models use the same tire size?
No, the sub-models do not all use the same tire size. The 4x2 and 4x4 single-rear-wheel Laramie models use either 275/70R18 or 285/60R20, while the 4x2 (DRW) and 4x4 (DRW) models use 235/80R17.
That difference matters because DRW and single-rear-wheel trucks are serving different wheel-and-tire setups even within the same 3500 Laramie name. Before replacing anything, match the tire size to the actual truck configuration and wheel diameter rather than relying on the trim name alone, especially if the vehicle has had wheels swapped at some point.
Choosing the Right Tire
What should I consider when choosing a tire for a 2015 RAM Trucks 3500 Laramie?
Start with the correct primary tire size for the exact truck: 275/70R18, 285/60R20, or 235/80R17. From there, compare radial construction details, wheel diameter, rim-width compatibility, load specification, sidewall style, and how the truck is actually used for towing, hauling, or general road driving.
A single-rear-wheel Laramie and a DRW Laramie should not be treated as the same fitment decision. It also helps to inspect the current wheels for width and condition, because product specifications such as rim-width range and load capacity matter more on a heavy-duty truck than appearance alone.
What sidewall styles are available for 2015 RAM Trucks 3500 Laramie tires?
The available sidewall styles include RWL and RBL. In the current product selection, the 275/70R18 BFGoodrich All-Terrain T/A KO2 uses an RWL sidewall, while the 235/80R17 BFGoodrich All-Terrain T/A KO2 uses an RBL sidewall.
Sidewall style affects the truck's presentation, but it should be chosen only after confirming the correct size and wheel setup. On a 3500 Laramie, appearance and work use often overlap, so it makes sense to weigh sidewall preference alongside the tire's rim-width specification, load figure, and whether the truck is single-rear-wheel or DRW.
What brands offer tires for the 2015 RAM Trucks 3500 Laramie?
The currently available products for these fitments are from BFGoodrich. The selection shown for the 2015 RAM Trucks 3500 Laramie centers on the All-Terrain T/A KO2 series in the applicable radial sizes.
That makes product comparison more about choosing the correct size, sidewall treatment, and specification details than comparing several brand families. A heavy-duty truck owner should still look closely at rim-width range, load capacity, and the truck's real use pattern so the selected tire suits both the wheel and the job.
Restoration & Appearance
Does correct tire fitment matter for a 2015 RAM Trucks 3500 Laramie restoration or clean original-style presentation?
Yes, correct tire fitment still matters even on a newer heavy-duty truck like the 2015 RAM Trucks 3500 Laramie. Using the proper size for the exact sub-model keeps the truck's stance, wheel relationship, and overall presentation aligned with the way that configuration was equipped.
A clean original-style look starts with matching DRW versus single-rear-wheel setup and the proper 17-, 18-, or 20-inch wheel diameter. Sidewall treatment can then shape the final appearance, but size accuracy should come first so the truck does not end up looking mismatched or sitting on an unintended wheel-and-tire combination.
How does tire construction affect the appearance of a 2015 RAM Trucks 3500 Laramie?
All of the primary fitments for the 2015 RAM Trucks 3500 Laramie are radial, so the appearance question is less about switching constructions and more about choosing the right size and sidewall style. The truck's visual character changes more through wheel diameter and sidewall treatment than through construction type here.
An 18-inch or 20-inch single-rear-wheel setup gives a different look from the 17-inch DRW fitment, even within the same Laramie trim. Raised white letter and black sidewall presentations also create different impressions, so owners chasing a tidy period-appropriate presentation should match the tire to the truck's actual wheel and rear-wheel configuration first.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2015 RAM Trucks 3500 Laramie?
Yes, modifications can affect tire fitment on a 2015 RAM Trucks 3500 Laramie. Aftermarket wheels, changes in wheel width or offset, suspension lifts or lowering, and previous tire substitutions can all alter how a 275/70R18, 285/60R20, or 235/80R17 tire sits on the truck.
A modified truck deserves a close look at steering clearance, fender clearance, and actual wheel dimensions before replacing tires by size name alone. On DRW models, matching the intended dual-wheel setup is especially important, while single-rear-wheel trucks need the correct wheel diameter and width to align with the tire's specification range.
What should I inspect before driving a 2015 RAM Trucks 3500 Laramie on new tires?
Check tire pressure, lug hardware, wheel condition, visible sidewall damage, and proper clearance before putting a 2015 RAM Trucks 3500 Laramie back into regular service on new tires. It is also smart to confirm that the installed tire size matches the truck's sub-model and wheel diameter rather than assuming the previous setup was correct.
A heavy-duty pickup places real demands on its tires, so a quick visual check is not enough before towing or hauling. Look for rubbing at full steering lock, confirm even seating on the wheel, and make sure any older suspension or steering parts are in sound condition so the new tires are not being asked to mask other problems.
How should tires on a 2015 RAM Trucks 3500 Laramie be maintained?
Tires on a 2015 RAM Trucks 3500 Laramie should be maintained with regular pressure checks, routine visual inspection, and prompt attention to uneven wear, cuts, bulges, or recurring air loss. Heavy-duty truck tires also benefit from periodic inspection of wheel condition and valve hardware, especially if the truck sees towing or payload work.
Low-use trucks still need care because age and storage conditions can affect tire condition even when tread looks good. Keep the truck out of prolonged heat and sun when possible, inspect the tires before longer drives, and recheck the wheel-and-tire setup whenever wheels, suspension parts, or ride height have been changed.
