1958 Studebaker President Tires

A 1958 Studebaker President can use 670-15, 710-15, 750-14, or 800-14, all in bias-ply construction. The correct size depends on the exact sub-model and wheel setup, with the wagons using 710-15 or 800-14 and the Base model using 670-15 or 750-14.

The important next step is confirming both the sub-model and the actual wheel diameter on the car before choosing a tire. A President running 14-inch wheels needs a different size than one on 15-inch wheels, and many collector cars have had wheel changes over the years that make a quick visual assumption risky.

The 1958 Studebaker President uses either a 14-inch or 15-inch rim, depending on the tire size and sub-model configuration. Sizes 800-14 and 750-14 are for 14-inch rims, while 710-15 and 670-15 are for 15-inch rims.

Rim diameter should be checked before anything else, because it determines which group of tire sizes even belongs in the conversation. It is also worth confirming wheel width while the tires are off, especially if the car has replacement wheels, since product options within the same nominal size can carry different rim-width recommendations.

No. The 1958 Studebaker President 58H-P6 Wagon and 58H-Y6 Wagon use 710-15 or 800-14, while the 1958 Studebaker President Base uses 670-15 or 750-14. All of those are bias-ply sizes, but they are not interchangeable just because they belong to the same model year and nameplate.

That difference matters because the first buying decision is not brand or sidewall style but the exact version of the car and the wheel diameter on it. Once the right primary size is confirmed, then it makes sense to compare whitewall width, blackwall versus whitewall appearance, or whether a radial equivalent is worth considering.

For a 1958 Studebaker President, 670-15 is a primary bias-ply tire size. It is one of the Base-model fitments and is offered in traditional bias-ply form across several brands, tire series, and sidewall treatments.

A radial alternative can still be considered, but it should be treated as an equivalent choice rather than the original primary construction. Buyers comparing bias-ply and radial setups should check wheel width, overall tire dimensions, and clearance at the fender and steering range, especially on a car that may no longer have its original wheels or suspension setup.

Radial equivalents for 670-15 include 195R15 as an 80-series metric radial, P205/75R15 as a 75-series P-metric radial, P215/70R15 as a 70-series P-metric radial, and 670R15 as a bias-look radial. The recommended rim width range for these equivalents is 5-7 inches.

Those options give different sizing conventions and a different visual approach, especially when comparing a standard metric radial to a bias-look radial. Even with the same 15-inch rim diameter, the tire should still be checked against the car's wheel width, clearance, and intended appearance before making the switch from a primary bias-ply fitment.

That choice depends on how the 1958 Studebaker President is being used and what you want the car to look like. The primary fitments are bias-ply sizes, which maintain the original-style sizing system and traditional appearance, while radial equivalents are available for each primary size in metric, P-metric, and bias-look radial form.

A restoration-oriented car often stays with bias-ply construction for visual consistency, while a driver may prompt a closer look at radial alternatives. The sensible approach is to start with the correct original-size category for the sub-model, then verify wheel width, vehicle clearance, and how much the final presentation matters before changing construction.

Start with the basics: 670-15 belongs to the Base version of the 1958 Studebaker President when the car is equipped with 15-inch wheels. Within that size, choices include several brands and series, plus blackwall, narrow whitewall, and wide whitewall treatments that can change the car's visual character even when the fitment stays the same.

After confirming size, compare the wheel-width specification and the kind of presentation you want from the car. A traditional blackwall reads differently than a broad whitewall on a late-1950s sedan, and buyers planning more road use may also want to compare whether a radial equivalent better suits the finished setup.

Sidewall choices for the 1958 Studebaker President include blackwall, narrow whitewall, wide whitewall, and redline, depending on the tire size. Not every style appears in every size, so the first step is matching the correct primary size to the car before focusing on appearance.

That decision has a big effect on how the President presents, especially on a 1958 American car where whitewall treatment can define the overall look. Buyers trying to keep a period-style appearance often compare whitewall width closely, while a more understated presentation may point toward blackwall or, where available, a subtle redline treatment.

Tires for the 1958 Studebaker President are available from BFGoodrich, Firestone, US Royal, Goodyear, Universal Vintage Tire, Coker Classic, Excelsior, Avon, and STA, depending on the size. Brand availability varies by whether the car needs 670-15, 710-15, 750-14, or 800-14.

The practical way to compare them is within the correct size first, then by sidewall style, tire series, and wheel-width compatibility. One brand may offer the visual treatment you want in a given size while another may offer a different series or sidewall width, so the best comparison is always size-specific rather than broad.

A period-style 1958 Studebaker President should begin with the correct primary bias-ply size for the exact sub-model and wheel diameter. That means 710-15 or 800-14 for the covered wagons, or 670-15 or 750-14 for the Base model, followed by a sidewall treatment that matches the look you want the car to carry.

The real appearance choice often comes from blackwall versus whitewall width rather than from size alone. When exact originality matters, it is wise to compare the tire selection against marque references, factory literature, or restoration photos for the specific body style, since a period-style tire is not automatically the same thing as a factory-delivered one.

Tire construction changes both the look and the visual posture of a restored 1958 Studebaker President. The primary fitments are bias-ply, which preserves the vintage sizing format and traditional presentation, while radial equivalents introduce a more modern construction even when offered in a related size or in a bias-look radial form.

That matters most when the restoration goal is a strong late-1950s visual impression. Buyers who prioritize show-field appearance often stay with bias-ply, while those who want a road car may explore radial alternatives that still respect the original size category, sidewall style, and wheel diameter used on the car.

Yes. Modifications can affect tire fitment on a 1958 Studebaker President even when the tire size itself is correct for the model. Aftermarket wheels, different wheel widths, altered offset, lowered suspension, replacement springs, or body changes can all influence how a 14-inch or 15-inch tire sits in the wheel opening.

That is especially important on a car with multiple primary sizes and two possible rim diameters. A modified President should be checked for wheel diameter, wheel width, steering clearance, and fender clearance before choosing between the original bias-ply size and any radial equivalent, since previous changes may alter what works cleanly on the car.

Before driving a 1958 Studebaker President on new tires, inspect the wheels for correct diameter and condition, verify that the lug hardware and wheel mounting surfaces are clean, and make sure the tires are inflated properly for the application. It also helps to check suspension, steering, and alignment condition so the new tires start their service life on a sound chassis.

A short, careful test drive is a good way to confirm that the tires clear the fenders and steering range without rubbing. Collector cars that sit for long periods also deserve a second look for brake drag, wheel-bearing play, and uneven ride height, since those issues can affect how the new tires behave on the road.

670-15 tires on a collector 1958 Studebaker President should be kept clean, inflated consistently, and inspected regularly for cracking, cuts, bulges, uneven wear, or signs of air loss. Because collector cars are often driven less, tire condition matters just as much as tread depth, especially on a bias-ply setup that may spend long periods parked.

Storage habits also make a difference over time. Keeping the car away from prolonged sunlight, excess heat, moisture, and ozone sources helps preserve the tires, and moving the vehicle occasionally can reduce long-term flat spotting. A close inspection before each driving season is a smart routine even when the tires still look visually presentable.