The 2009 Dodge Trucks Ram 1500 TRX4 sits in the era when full-size pickups were expected to handle everyday road use, weekend hauling, and light off-road duty without losing their broad-shouldered stance. As a TRX4, it carries a more rugged personality than a plain street-focused half-ton, so tire choice affects both appearance and how the truck presents itself on the road. This Ram 1500 TRX4 uses a 275/70R17 radial tire on a 17-inch rim. The main decision is less about multiple fitment sizes and more about confirming the truck's exact wheel setup, intended use, and whether the tire's proportions still suit a stock or modified truck.
Which Tire Size Is Right for The 2009 Dodge Trucks Ram 1500 TRX4
The 2009 Dodge Trucks Ram 1500 TRX4 uses one primary tire size: 275/70R17. It is a radial tire fitment on a 17-inch rim, and that same size applies across the covered TRX4 Crew Cab and Quad Cab configurations. That means the key decision is not choosing between different primary sizes, but confirming the truck still has the correct wheel diameter and selecting a tire that matches the truck's use, stance, and overall setup.
A 275/70R17 size uses modern metric radial sizing: 275 is the nominal section width in millimeters, 70 is the aspect ratio, R identifies radial construction, and 17 is the rim diameter in inches. On the 2009 Dodge Trucks Ram 1500 TRX4, this is the primary fitment and it gives the truck the taller, substantial look expected from a 4x4 pickup. Its published dimensions include an overall diameter of 32.16 inches and a section width of 10.83 inches. That makes it a useful reference point when checking replacement tires against wheel diameter, clearance, and any suspension or wheel changes.
Tire fitment is straightforward across the covered 2009 Dodge Trucks Ram 1500 TRX4 sub-models because both use the same primary tire size. Checking the exact cab configuration still matters so the truck's wheel setup and overall tire choice stay aligned with the vehicle in front of you.
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2009 Dodge Trucks Ram 1500 TRX4 4x4 Crew Cab
The 2009 Dodge Trucks Ram 1500 TRX4 4x4 Crew Cab uses the same 275/70R17 radial fitment as the other covered TRX4 configuration. Tire selection comes down to confirming the truck still wears the correct 17-inch wheels and choosing a replacement that suits stock use or any later wheel and suspension changes.
The 2009 Dodge Trucks Ram 1500 TRX4 4x4 Quad Cab also uses 275/70R17 radial tires. That keeps fitment simple, but it is still worth checking for aftermarket wheels, altered ride height, or other changes that could affect how a replacement tire sits and clears.
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.
Frequently Asked Questions
Owners usually want to confirm the correct 275/70R17 size, understand what that metric sizing means, and know what to inspect before replacing tires on a 2009 Dodge Trucks Ram 1500 TRX4.
Tire Size & Fitment
What tire size fits a 2009 Dodge Trucks Ram 1500 TRX4?
The 2009 Dodge Trucks Ram 1500 TRX4 uses a 275/70R17 radial tire. That size applies to the covered TRX4 4x4 Crew Cab and TRX4 4x4 Quad Cab configurations, making fitment straightforward as long as the truck still has the correct wheel setup.
A replacement search should start by confirming that the truck still wears 17-inch wheels and has not been changed with aftermarket rims or suspension parts. Even when the original size is known, wheel width, clearance around the suspension, and the truck's current stance should be checked before settling on a new tire.
What size rim does a 2009 Dodge Trucks Ram 1500 TRX4 use?
The primary tire fitment for the 2009 Dodge Trucks Ram 1500 TRX4 is built around a 17-inch rim. That rim diameter is part of the 275/70R17 size itself, and it is the wheel diameter the tire is designed to mount on.
Rim diameter is the first thing to verify before ordering replacement tires, especially on a used truck that may have seen wheel swaps over the years. A 17-inch tire cannot be safely mounted to a different wheel diameter, so checking the actual wheel on the truck prevents a common fitment mistake before comparing tread or tire style.
Do all 2009 Dodge Trucks Ram 1500 TRX4 sub-models use the same tire size?
The covered 2009 Dodge Trucks Ram 1500 TRX4 sub-models share the same tire size. Both the TRX4 4x4 Crew Cab and TRX4 4x4 Quad Cab use a 275/70R17 radial tire, so there is no split in primary size between those two configurations.
That consistency makes replacement easier, but the truck should still be checked as an individual vehicle. Cab style may stay the same on paper while wheel choices, lift kits, leveling kits, or later owner modifications change what works comfortably in practice around the fenders, steering, and suspension.
Choosing the Right Tire
What should I consider when choosing a 275/70R17 tire for a 2009 Dodge Trucks Ram 1500 TRX4?
Start with the correct primary size, which is 275/70R17 on the 2009 Dodge Trucks Ram 1500 TRX4. From there, the main selection factors are the truck's actual wheel setup, how the tire's dimensions suit the vehicle, and whether the truck is used mostly on pavement, for general truck duty, or with a more aggressive 4x4 focus.
The published dimensions for this size include a 32.16-inch overall diameter and 10.83-inch section width, which provide a useful baseline when comparing replacements. Matching those proportions closely helps preserve the truck's intended look and clearance, especially if the Ram has stock suspension or only mild changes rather than a heavily modified setup.
How do I choose between the available 275/70R17 tires for a 2009 Dodge Trucks Ram 1500 TRX4?
The best way to compare 275/70R17 tires for a 2009 Dodge Trucks Ram 1500 TRX4 is to focus on fitment first and then compare the tire's intended character. Even within one size, differences in tread style, overall presentation, and road-use emphasis can make one option suit a work-oriented truck better than one built mainly for everyday driving.
A truck that remains close to stock usually benefits from a tire that preserves the original size's broad stance and overall proportions. It also helps to look at wheel condition, any suspension changes, and how much fender and steering clearance the truck has now, rather than assuming every tire in the same size will behave exactly the same.
What does 275/70R17 mean on a 2009 Dodge Trucks Ram 1500 TRX4?
On a 2009 Dodge Trucks Ram 1500 TRX4, 275/70R17 is a modern metric radial size. The 275 is the nominal section width in millimeters, 70 is the aspect ratio, R means radial construction, and 17 is the wheel diameter in inches.
Understanding that code makes it easier to compare replacement tires without drifting into the wrong diameter or profile. It also helps explain why wheel diameter matters so much: the final number ties the tire to a 17-inch rim, while the width and profile influence the truck's stance, clearance, and overall visual balance.
Restoration & Appearance
Which tire should I choose for a period-style 2009 Dodge Trucks Ram 1500 TRX4?
For a period-style presentation, the strongest starting point is staying with the original fitment size of 275/70R17. Keeping that size preserves the TRX4's intended proportions and helps the truck retain the sturdy, late-2000s 4x4 look that suits its body and stance.
A period-style result is usually more about maintaining the proper overall dimensions than chasing a dramatically different size. Trucks that have been lifted, lowered, or fitted with aftermarket wheels can lose that balanced appearance quickly, so checking the current wheel and suspension setup is just as important as choosing the replacement tire itself.
Does correct tire fitment matter for a 2009 Dodge Trucks Ram 1500 TRX4 restoration?
Correct tire fitment matters because the 275/70R17 size helps define how a 2009 Dodge Trucks Ram 1500 TRX4 sits and looks. A truck with the wrong diameter, profile, or wheel size can appear noticeably off even before any road-use issues show up.
Restoration-minded owners usually benefit from treating tire size as part of the truck's overall visual proportions rather than as a simple consumable item. If exact originality is important, compare the truck's current wheels and stance with authoritative vehicle-specific references so the finished result reflects the era and configuration more faithfully.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2009 Dodge Trucks Ram 1500 TRX4?
Yes, modifications can affect tire fitment on a 2009 Dodge Trucks Ram 1500 TRX4 even when the original size is 275/70R17. Wheel swaps, different wheel widths, altered offsets, lift kits, leveling kits, and suspension changes can all change how a replacement tire sits in the wheel opening and clears surrounding components.
That matters because a tire that matches the stock size on paper may behave differently on a modified truck. Checking steering travel, fender clearance, and suspension space before installation helps prevent rubbing or awkward stance issues, especially on trucks that have changed hands and may no longer match their original configuration.
What should I inspect before driving a 2009 Dodge Trucks Ram 1500 TRX4 on new tires?
Before driving a 2009 Dodge Trucks Ram 1500 TRX4 on new tires, inspect the wheels for damage, confirm the wheel diameter matches the 17-inch requirement, and make sure the tires are properly mounted and inflated. It also helps to look over suspension and steering components so the new tires are not being asked to work around existing mechanical problems.
A careful first check should also include fender and suspension clearance at full steering lock, along with a quick review for uneven wear causes such as alignment issues. On a truck, those details affect both tire life and how confidently the vehicle tracks on the road once the new set is installed.
How often should tires on a 2009 Dodge Trucks Ram 1500 TRX4 be inspected?
Tires on a 2009 Dodge Trucks Ram 1500 TRX4 should be inspected regularly rather than waiting for obvious problems. A visual check for cuts, cracking, bulges, air loss, and uneven tread wear is worthwhile before longer drives and as part of normal routine ownership, especially on a truck that may see mixed road and utility use.
Consistent inspection is important because trucks often hide fitment or wear issues until the tire is already well into its service life. Looking at the full tire, not just the tread center, helps catch shoulder wear, sidewall aging, or clearance marks early enough to address wheel, suspension, or inflation problems before they become larger issues.
