1953 Studebaker Champion Tires

The 1953 Studebaker Champion came from a period when American car design was becoming lower, cleaner, and more modern, yet everyday drivability still depended heavily on proper bias-ply tire fitment. For owners restoring one of these postwar Studebakers or preparing a driver for road use, tire choice has a real effect on stance, appearance, and overall character. The 1953 Studebaker Champion uses a 640-15 bias-ply tire on a 15-inch rim, giving the page a straightforward fitment starting point. Available choices include blackwall, narrow whitewall, and wide whitewall treatments across several vintage tire series, along with modern radial equivalents. The key is balancing period-style presentation with wheel compatibility, intended use, and overall vehicle condition.

Which Tire Size Is Right for The 1953 Studebaker Champion

The 1953 Studebaker Champion uses one primary tire size: 640-15. That size is a bias-ply fitment for a 15-inch rim, and the covered Champion 6 Cyl. sub-model shares the same basic sizing. The real decision is not which primary size fits, but which version of 640-15 best matches the car's appearance goals, driving plans, and whether a modern radial equivalent is worth considering.

1
640-15Numeric bias-ply
Fit(s): 6 Cyl.
Construction: Bias PlyRim: 15 in

A 640-15 uses the older numeric bias-ply sizing system, where the 6.40 figure represents the tire's nominal section width in inches and the 15 identifies the wheel diameter. On a 1953 Studebaker Champion, this keeps the car in its original-era construction type and preserves the traditional look and road feel associated with a bias-ply setup. Within this size, there are blackwall, narrow whitewall, and wide whitewall choices from BFGoodrich, Firestone, Avon, and Excelsior across several vintage-style tire series. That makes 640-15 the size to evaluate when appearance, restoration character, and wheel compatibility all matter.

Explore 640-15 Tires

1953 Studebaker Champion Sub-Model Tires

Tire fitment is straightforward for the covered 1953 Studebaker Champion sub-model. The Champion 6 Cyl. uses the same primary 640-15 bias-ply sizing, so the main focus shifts from size identification to choosing the right sidewall style, series, or radial-equivalent path for the car's intended use.

1

1953 Studebaker Champion 6 Cyl.

The 1953 Studebaker Champion 6 Cyl. uses the 640-15 bias-ply tire size on a 15-inch rim. That gives the owner a clear period-style starting point, with the main selection questions centered on blackwall versus whitewall appearance, brand and series preference, or whether to compare the available radial equivalents before changing construction.

Associated Tire Sizes

Bias-Ply to Radial Tire Conversion for the 1953 Studebaker Champion

The original 640-15 tire size has three radial-equivalent options. 175R15 is the 80-series metric radial equivalent, P175/75R15 is the P-metric 75-series radial alternative, and P185/70R15 is the P-metric 70-series radial alternative. These choices differ mainly by sizing convention and profile family rather than serving as identical substitutes. A recommended rim-width range of 5 to 6 inches applies to these radial comparisons, so wheel width, overall tire dimensions, and vehicle clearance should be checked before making a conversion.

Modern Radial Equivalents
  • 175R15

    Equivalent 80-series Metric Radial (640-15)

  • P175/75R15

    Equivalent P-metric 75-series Radial (640-15)

  • P185/70R15

    Equivalent P-metric 70-series Radial (640-15)

Important Considerations When Replacing Bias Ply With Radial
  • Compare overall diameter and section width carefully to ensure proper fit.
  • Verify recommended rim range (5-6 in) and load needs match your vehicle specifications.
  • Check fender clearance, steering clearance, and stance before installation.
  • Consider suspension condition and intended road use when choosing equivalents.

Important Fitment Notes

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:

  • Wheel modifications (wider rims, offset changes, aftermarket wheels)
  • 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 1953 Studebaker Champion Tires for Sale

Available 640-15 tires include bias-ply options from BFGoodrich, Firestone, Avon, and Excelsior, with blackwall, narrow whitewall, and wide whitewall presentations. The product grid is where to compare series character, rim-width specifications, load figures where stated, and the appearance differences that matter on a 1953 Studebaker Champion.

Showing 6 of 8
Bias Ply

BFGoodrich 3.00 Inch Whitewall | 640-15

BFGoodrich - Silvertown Classic Bias Ply

SIDEWALLWide Whitewall
RIM DIAMETER15 in
RIM WIDTH4.00 - 4.50 in
WEIGHT21 lb
MAX LOAD1190@32 psi
Buy Now
Bias Ply

Firestone 2.75 Inch Whitewall | 640-15

Firestone - Firestone Classic Bias Ply

SIDEWALLWide Whitewall
RIM DIAMETER15 in
RIM WIDTH4.50 - 5.00 in
WEIGHT21 lb
MAX LOAD1190@32 psi
Buy Now
Bias Ply

Firestone 2.125 Inch Whitewall | 640-15

Firestone - Firestone Classic Bias Ply

SIDEWALLWide Whitewall
RIM DIAMETER15 in
RIM WIDTH4.50 - 5.00 in
WEIGHT21 lb
MAX LOAD1190@32 psi
Buy Now
Bias Ply

Firestone 1.00 Inch Whitewall | 640-15

Firestone - Firestone Classic Bias Ply

SIDEWALLNarrow Whitewall
RIM DIAMETER15 in
RIM WIDTH4.50 - 5.00 in
WEIGHT21 lb
MAX LOAD970@32 psi
Buy Now
Bias Ply

Avon Super Safety | 640H15 83H

Avon - Super Safety Crossply

SIDEWALLBlackwall
RIM DIAMETER15 in
RIM WIDTH—
WEIGHT23 lb
MAX LOAD1,074 lbs
Buy Now
Bias Ply

BFGoodrich | 640-15

BFGoodrich - Silvertown Classic Bias Ply

SIDEWALLBlackwall
RIM DIAMETER15 in
RIM WIDTH4.50 - 5.00 in
WEIGHT19 lb
MAX LOAD1190@32 psi
Buy Now
Bias Ply

Firestone | 640-15

Firestone - Firestone Classic Bias Ply

SIDEWALLBlackwall
RIM DIAMETER15 in
RIM WIDTH4.50 - 5.00 in
WEIGHT20 lb
MAX LOAD1190@32 psi
Buy Now
Bias Ply

Excelsior | 640-15

Excelsior - Excelsior Bias Ply

SIDEWALLBlackwall
RIM DIAMETER15 in
RIM WIDTH4.50 - 5.00 in
WEIGHT22 lb
MAX LOAD—
Buy Now

Frequently Asked Questions

These FAQs for the 1953 Studebaker Champion focus on the 640-15 tire size, 15-inch rim fitment, radial-equivalent choices, sidewall and brand differences, restoration-minded selection, and the inspections worth making before road use.

Tire Size & Fitment

What tire size fits a 1953 Studebaker Champion?

The 1953 Studebaker Champion uses a 640-15 tire size. That is a numeric bias-ply size fitted to a 15-inch rim, and it is the primary tire size associated with the covered Champion fitment.

Once the size is confirmed, the next step is choosing the version of 640-15 that suits the car. Options in this size vary by sidewall appearance, brand, and tire series, so the decision is less about finding a different primary size and more about matching the tire to the car's wheel setup, visual style, and whether a bias-ply or radial-equivalent route makes more sense.

What size rim does a 1953 Studebaker Champion use?

The 1953 Studebaker Champion uses a 15-inch rim with its primary 640-15 tire size. That rim diameter is the key wheel measurement tied to the vehicle's original-style bias-ply fitment.

Rim diameter is only part of the picture, especially on an older collector car. Wheel width should also be checked before selecting a specific tire, particularly if the car has replacement wheels or if a radial equivalent is being considered. Confirming the actual wheel dimensions on the car helps prevent mismatch between tire profile, wheel compatibility, and the space available around suspension and body components.

Does the 1953 Studebaker Champion 6 Cyl. use the same tire size?

Yes. The covered 1953 Studebaker Champion 6 Cyl. uses the same 640-15 bias-ply tire size as the core 1953 Studebaker Champion fitment. That makes size selection straightforward for this sub-model.

Because the size stays the same, the buying decision shifts toward tire style and construction rather than sub-model differences. A blackwall, narrow whitewall, or wide whitewall can change the car's presentation noticeably, and some owners may also compare radial equivalents for road use. It is still smart to inspect the actual wheels on the car, since collector vehicles sometimes wear non-original rims after years of service or restoration.

Bias-Ply & Radial Options

Is 640-15 a bias-ply or radial tire for the 1953 Studebaker Champion?

For the 1953 Studebaker Champion, 640-15 is the primary bias-ply tire size. The available tire choices in that original-size format are bias-ply designs rather than primary radial fitments.

That matters because a bias-ply tire maintains the traditional sizing system and visual character associated with early 1950s fitment. Owners considering a change in construction should treat radial sizes as alternatives rather than interchangeable replacements. Wheel width, overall dimensions, and clearance should all be reviewed before moving away from the original bias-ply format, especially on a car that may have seen wheel or suspension changes over time.

What radial tire sizes are equivalent to 640-15?

Radial equivalents for 640-15 include 175R15 as the 80-series metric radial option, P175/75R15 as the P-metric 75-series radial option, and P185/70R15 as the P-metric 70-series radial option. A bias-look radial equivalent is not part of this fitment group.

Each of those sizes offers a different radial-format comparison to the original 640-15, so the choice is not just about construction but also about sizing convention and profile family. A recommended rim-width range of 5 to 6 inches is associated with these radial equivalents. Before converting, compare the actual wheel width on the car and make sure the selected size leaves adequate clearance for steering, suspension travel, and bodywork.

What should I check before converting my 1953 Studebaker Champion from bias-ply to radial tires?

Start by confirming the wheel diameter and actual wheel width on the car, then compare those measurements with the radial-equivalent range for the 640-15 fitment. For this Studebaker Champion, the radial comparisons include 175R15, P175/75R15, and P185/70R15, with a recommended rim-width range of 5 to 6 inches.

The next checks are physical and practical. Make sure the chosen size has suitable clearance at the fenders, suspension, and steering stops, and inspect the car for any aftermarket wheels, worn springs, or suspension changes that could affect fitment. A conversion also changes the tire's construction character, so the final choice should reflect whether the priority is period-style appearance, regular road driving, or a careful balance of both.

Choosing the Right Tire

What should I consider when choosing a 640-15 tire for a 1953 Studebaker Champion?

Start with the correct primary size, which is 640-15, and then compare the available bias-ply options by sidewall treatment, brand, tire series, and wheel compatibility. Some versions also include stated load figures and rim-width recommendations that can help narrow the selection.

After the fitment basics, think about how the Studebaker will actually be used. A restoration-minded car may call for a different visual presentation than a driver, even within the same size. Blackwall, narrow whitewall, and wide whitewall choices can all change the car's look, while wheel width and overall setup should still be verified before finalizing any tire, especially on a long-owned vehicle with parts changed over time.

What sidewall styles are available for 1953 Studebaker Champion tires?

The 1953 Studebaker Champion's 640-15 tire options include blackwall, narrow whitewall, and wide whitewall sidewall styles. Those choices all stay within the same basic size while giving the car distinctly different visual character.

Sidewall style is often the biggest appearance decision on an early 1950s car. A blackwall gives a more restrained presentation, while narrow and wide whitewalls create a more pronounced period look. Since the size remains the same, buyers can focus on appearance without losing sight of fitment basics such as wheel dimensions and construction type. That makes sidewall selection a styling decision built on the correct 640-15 foundation.

What brands offer tires for the 1953 Studebaker Champion?

Tires in the 1953 Studebaker Champion's 640-15 size are available from BFGoodrich, Firestone, Avon, and Excelsior. The assortment includes several bias-ply series and more than one sidewall treatment, depending on the brand and tire line.

Brand choice should be viewed as one part of the selection process rather than the whole decision. It helps to compare how each option aligns with the look you want, the wheel dimensions on the car, and any stated differences in load figures or product specifications. On a vehicle like the Champion, the right choice usually comes from balancing size correctness and presentation instead of chasing a brand name alone.

Restoration & Appearance

Which tire should I choose for a period-style 1953 Studebaker Champion?

A period-style 1953 Studebaker Champion starts with the original-format 640-15 bias-ply size. From there, the most important choice is usually sidewall presentation, since blackwall, narrow whitewall, and wide whitewall versions all create a different visual impression while staying within the same vintage sizing system.

The right look depends on the car's restoration direction rather than a one-answer rule. Some owners want a restrained driver-style presentation, while others want a stronger whitewall presence that better suits early 1950s styling. When exact originality matters, it is worth checking marque-club sources, original sales literature, or restoration records before settling on a particular sidewall treatment or tire series.

Does correct tire fitment matter for a 1953 Studebaker Champion restoration?

Yes, correct tire fitment matters because tire size and construction affect both appearance and stance on a 1953 Studebaker Champion. Using the proper 640-15 bias-ply format keeps the wheel-and-tire relationship in line with the car's era and helps preserve a more traditional presentation.

Fitment also matters mechanically, not just visually. A tire that falls outside the intended wheel and body relationship can alter how the car sits and may create avoidable clearance or compatibility issues. Even when choosing among correct-size options, details such as blackwall versus whitewall and the exact wheel dimensions on the car still deserve attention, especially if the vehicle has been restored in stages over many years.

Fitment, Maintenance & Road Use

Can modifications affect tire fitment on a 1953 Studebaker Champion?

Yes. Modifications can affect tire fitment on a 1953 Studebaker Champion even when the intended size remains 640-15. Aftermarket wheels, changes in wheel width, altered suspension height, replacement springs, or bodywork differences can all influence how much room the tire has in service.

That is why the actual car should be checked rather than assuming every Champion still matches a stock wheel-and-suspension layout. Inspect the wheel diameter and width, then look at steering clearance, fender clearance, and the space around suspension components. Those checks become even more important if a radial-equivalent size is under consideration, since construction changes can shift the tire-selection conversation beyond simple period-style replacement.

What should I inspect before driving a 1953 Studebaker Champion on new tires?

Before driving a 1953 Studebaker Champion on new tires, inspect the wheels for correct diameter and condition, verify that the tires are properly seated and inflated, and look for adequate clearance at the fenders, suspension, and steering components. It is also wise to confirm that all four tires match the intended setup.

A collector car should not go straight from the garage to the highway without a broader check. Examine the old wheels for damage or corrosion, make sure lug hardware is in good shape, and look over the suspension and steering for looseness that could affect tire wear or handling. A short, careful road test is the best way to catch rubbing, pull, vibration, or air-loss issues early.

How should 640-15 tires on a collector 1953 Studebaker Champion be maintained?

640-15 tires on a collector 1953 Studebaker Champion should be maintained with regular pressure checks, visual inspections, and attention to age-related condition even if the car is driven only occasionally. Look for cracking, bulges, cuts, uneven wear, and signs of air loss rather than judging condition by tread depth alone.

Storage conditions matter on a low-use vehicle. Keeping the car away from prolonged sunlight, excess heat, moisture, and ozone sources helps protect the tire casing over time. It also helps to inspect the tires before and after longer drives, since vehicles that spend much of their lives parked can develop problems slowly. Any sign of sidewall deterioration or recurring pressure loss should be evaluated promptly.