How To Choose Tires For RAM 2500

By Nick Marchenko, PhD

Updated: October 18, 2023

Tires are akin to the right pair of shoes, but for trucks. Skimping on footwear often leads to discomfort: blisters, awkward strides, and rapid wear and tear.

Similarly, this holds true for RAM 2500 tires. Opt for subpar rubber, and it won't be long before you detect issues. Your truck might become sluggish, harder to control, and exhibit unsettling vibrations or noises while on the move.

The gravest risk, however, is compromised safety. Should the tires fail to grip or respond in critical situations, it might lead to undesirable consequences.

Consequently, investing in quality tires for your RAM 2500 isn't just about performance—it's a matter of safety on the roads.

Let's delve deeper into this subject and guide you in selecting the right tires for RAM 2500 trucks.

Key Takeaways:

• The integrity and status of tires are paramount to the safety and efficiency of a RAM 2500 on the highway.
• Considering tire size, speed rating, load index, and type is crucial when determining the apt tire for your RAM 2500.
• Routinely checking tire tread, its age, and overall health is imperative to know when a change is due.
• If opting for pre-owned tires, one must exercise caution. Ensure sufficient tread depth and look out for damage, patches, or evident wear.

How to select the right tires for the RAM 2500

Not all tires are created equal. Each tire offers unique sizing options. It's essential to factor in multiple considerations to find the right fit for your specific RAM 2500 model year.

Which tire size is a match for your RAM 2500?

Ever glanced at the sidewall of your tire and pondered what those numbers and symbols signify? Let's demystify this coding for you.

Typically, a tire size reads something like this: 275/70R18 (just an example).

Here's a breakdown:

The initial number, say 275, illustrates the tire width from one sidewall to the other.

The subsequent number, for instance, 70, represents the tire's aspect ratio—a percentage of the tire's width. Hence, if your tire width is 275, the tire's height is 70% of this width, translating to a height of 192.5 mm.

The letter R denotes the radial tread design. While radial tires are the modern standard, one might occasionally spot diagonal (D) designs on vintage vehicles.

The final figure, such as 18, signifies the diameter of the wheel, essentially the rim size. This emphasizes the need to pair tires with compatible rim diameters.

RAM's guidelines specify the recommended tire sizes for each RAM 2500 model year. Consult the owner’s manual for these details.

Heeding these specifications or staying close to them is advisable. Oversized tires might lead to complications. When loaded or during turns, larger tires could scrape against the vehicle's body components, accelerating wear. Plus, there's the risk of them not fitting within the wheel wells.

Stick to manufacturer-endorsed tire choices. You can browse the recommended tire list here.

Shop From Amazon

RAM 2500 Tire Speed Rating

Before making a choice, take a moment and think: are you the laid-back, cruise-control kind of driver, or do you occasionally give in to the siren call of the open throttle?

Why does it matter? Because every tire comes with a speed cap. Push it too far, and you're tempting fate—with both the tire's integrity and your safety.

The speed rating is that little alphanumeric code on your tire's sidewall. It's not just there for looks; it signifies the top speed that tire can safely handle. And if you're driving a powerful beast like the RAM 2500, this matters. Big time.

This rating speaks to the tire's capacity to handle speed and is pegged to the RAM 2500's own capabilities. The stakes are higher with performance vehicles, making the speed rating a non-negotiable.

Wondering what those ratings translate to on the road? Here's the breakdown:

• L (120 km/h or 75 mph): passenger car tires intended for sedans, hatchbacks, or minivans.
• M (130 km/h or 81 mph): this rating is also for passenger cars; however, it offers higher speed capability than "L”-rated tires.
• N (140 km/h or 87 mph): tires created for sports sedans and high-performance vehicles.
• P (150 km/h or 93 mph): tires intended for high-performance sedans, coupes, and some sports cars.
• Q (160 km/h or 99 mph):  tires designed for performance-oriented vehicles like sedans and crossovers.
• R (170 km/h or 106 mph): common on light trucks, SUVs, and some passenger cars.
• S (180 km/h or 112 mph): basic tire rating for many family sedans and coupes.
• T (190 km/h or 118 mph): applied to a wide range of passenger and touring tires.
• U (200 km/h or 124 mph): such tires are great for sporty performance vehicles.
• H (210 km/h or 130 mph): suitable for sports cars, luxury sedans, and higher-performance vehicles.
• V (240 km/h or 149 mph): created for high-performance and sports car tires.
• W (270 km/h or 168 mph): high-performance rating, commonly seen on sports and supercars.
• Y (300 km/h or 186 mph): intended for ultra-high-performance and exotic sports cars.
• (Y) or (ZR): for supercars and hypercars with top speeds that exceed 186 mph (usually designated with specific manufacturer approvals).

RAM 2500 Load Index

Picture this: you've got your RAM 2500 loaded up for a weekend adventure or perhaps you're hauling some serious weight for work. Both scenarios have one thing in common—the demand on your tires.

Every tire bears a badge of honor: its load index. This number indicates the maximum weight it's designed to carry. Overburden the tire, and it'll likely let you know—usually at the worst possible time.

The load index is no arbitrary figure. It's the weight, in cold hard numbers, that a properly inflated tire can safely support. Given the RAM 2500's versatility, from carrying family and gear to heavy-duty towing, this index is crucial.

How do you decipher the tire's load index? Simple. The index is a number, typically two or three digits long, that corresponds to a specific weight in either pounds or kilograms.

Load index charts, like the one below, demystify the code, providing clarity on how much weight each index can bear:

Load Index	Weight Capacity (kg)	Weight Capacity (lbs)	Vehicle Types
70	335	739	Compact cars and smaller vehicles
80	450	992	Small to midsize sedans and hatchbacks
90	600	1323	Larger sedans, SUVs, and some small trucks
100	800	1764	Larger SUVs, minivans, and light trucks
110	1060	2337	Heavy-duty SUVs, trucks, and vans
120	1400	3086	Larger trucks and commercial vehicles
130	1900	4189	Heavy-duty trucks and vans
140	2240	4938	Commercial trucks and buses

Deciphering Tire Codes for the RAM 2500

When it comes to the RAM 2500, choosing the right tire is paramount. Here's a quick breakdown of those mysterious letter codes you might spot on tire sidewalls:

• P: Indicates passenger car tires. Fast and nimble, but maybe not the ideal pick for a RAM carrying a load.
• LT: Short for light truck. These are the workhorses for your RAM, tailored for the heavy lifting without compromising on performance.
• C: For commercial vehicles. Think of them as the ultimate haulers. They're optimized for payload but may not be the speed demons on the highway.

How Do You Roll with Your RAM 2500?

Are you a weekend warrior conquering untamed trails or more of a city slicker cruising urban landscapes?

Your RAM 2500's habitat significantly dictates your tire choice. If your weekends are all about mudding, consider mud-terrain tires with deep treads that'll help you tackle the mess.

For those who balance city life with the occasional off-road escapade, all-terrain tires are a solid pick. Versatile enough to navigate city streets smoothly, yet rugged enough to face off-road challenges.

If you stick to well-paved roads, standard tires should suffice.

Seasonal Treads for the RAM 2500

Winter's icy grasp can turn any road into a skater's dream. But for the RAM 2500 driver, it's a cue to gear up with the right winter rubber.

Winter tires are available as either studded or studless.

Studded tires

When roads freeze over, studded tires shine. These small metal warriors embedded in the tread claw into ice, delivering unparalleled grip. But, be cautious about road damage and potential noise.

Studless Tires

The silent professionals of winter roads. Studless tires employ specialized rubber compounds and tread patterns, ensuring traction without the metal.

Depending on your local climate, you might need to switch between winter and summer sets. Or, if conditions are relatively mild, all-season tires could be your RAM 2500's best companion, offering decent performance year-round.

The Debate: Inner Tube vs. Tubeless Tires

When it comes to outfitting your RAM 2500, air is everything. Not under the hood, but in the tires. Yet, where should that air reside? Let's dive in.

Some swear by tube tires, where air is neatly encased in an inner bladder. Others are big on tubeless, arguing that having air directly in the tire is the way to go. Why the divide? Each has its merits and drawbacks.

Tube tires? Sure, they're a tougher nut to crack. A rogue nail might pierce the outer layer, but your drive isn't over yet. But go tubeless, and that same nail might have you sidelined, seeking a patch-up. That said, tube tires can also make your RAM heftier, pushing your suspension a tad harder.

Though you might have noticed, manufacturers are increasingly going tubeless. But here's how to tell what you're looking at:

• Tube aficionados? Look for a “Tube” or “T” marking on the tire's side.
• If it’s tubeless you're after, scout for “Tubeless”, “TL”, or “TLess” indicators.

Shop From Amazon

Reading the Rubber: When It's Time to Refresh Those RAM 2500 Tires

No matter how rugged your RAM 2500 is, tires aren't forever. And trust me, rolling on past-their-prime rubber isn't just a knock to performance—it's a safety gamble. Here's how to gauge when it's time for a swap:

• Check the Tread. The bread and butter of your tire. If it’s looking sparse, traction's taking a hit, upping the hydroplaning odds.
• Steering Feels Off. If your RAM 2500's starting to have a mind of its own, especially in turns, it could be the tires slipping up.
• Too Much Spin. Wheels should grip, whether it's rain or shine. If they’re spinning out often, it's likely a traction trouble sign.
• That's...Odd. Hearing something new? Worn tires might be your noisy culprits.
• Ride's a Bit Rocky? Vibrations can be due to off-kilter tires. Ensure they're balanced and aligned for a smooth sail.
• Steering Wheel Shakes. Feeling some shimmy in the wheel? Your tires might be crying out for a change.
• Braking's a Drag. If it's taking longer to stop, it's a surefire sign your tires are slipping in the grip department.

Score a Deal: Buying Used Tires for RAM 2500

Sometimes life throws curveballs, and that shiny tire shop isn't in the cards. Maybe budget’s tight or you're seeking a specific tire feel for your RAM 2500. Whatever it is, hopping into the used tire market demands some savvy.

Going pre-owned on your rubber? Safety first, deal second. And don’t take the seller's word for gospel. Here's what to eyeball:

Tread Territory

For safe stomping grounds, your tread should clock in around 8–10 mm (0.31-0.39 inches). Uniform wear is key. Uneven groove? That spells misuse.

Crackdown

Spot a crack or some nasty nicks? This rubber’s days with your RAM 2500 might be numbered. Mechanical damage can be a one-way ticket to tire doom.

Bulge Alert

Notice any rubber "bubbles"? They're deal-breakers. Those bulges can turn hazardous real quick.

Repaired & Patched Up?

Repairs can be red flags. Hunt for any patches or stitch marks. A double repair job or a botched fix? That can be a blowout waiting to happen.

Age Before Beauty

With tires, younger often equals better. 5-8 years is a sweet spot. But if that rubber’s creeping into its tweens? Walk away from the deal.

Feel & Flex

A top-notch tire bounces back. Give it a squeeze. If it's more stone than sponge, it's past its prime for your RAM 2500.

Bringing It Home

The RAM 2500's beastly performance rides on those four circles. So, pick wisely.

Used can be great, but ensure they're just used, not abused. Sometimes, going fresh off the rack is worth the extra dough. After all, isn't your truck's grip, precision, and your safety on the asphalt priceless?