1934 Lafayette Tire Fitment Guide

In the middle of the Depression era, 1934 Lafayette represented Studebaker’s value-minded companion make, offering practical six-cylinder transportation with styling and proportions that still feel distinctly early-1930s American. Buyers looking at 1934 Lafayette today are usually balancing authenticity, drivability within period expectations, and the visual details that matter on a restoration. For 1934 Lafayette, the tire picture is straightforward: the single 6 Cyl. model uses one bias-ply size, 550-17, mounted on 17-inch wheels, so the real choice is less about fitment and more about sidewall appearance and restoration intent. Before choosing a tire, confirm that your car is the 1934 Lafayette 6 Cyl. and that your wheel remains a correct 17-inch fitment.

Which Tire Size Is Right for Your 1934 Lafayette

One tire size is available for 1934 Lafayette, and it is shared by the full model range covered here. That makes the main decision a matter of staying with the correct 17-inch bias-ply fitment while choosing the sidewall look that best suits your car’s restoration style. Understanding that distinction first helps narrow the right tire quickly and keeps the finished car visually consistent.

550-17Numeric bias-ply

Year(s): 1934Fit(s): 6 Cyl.Construction: Bias PlyRim: 17 in

550-17 is a numeric bias-ply size in which the 550 designates a nominal 5.50-inch section width class and the 17 designates a 17-inch wheel diameter. BFGoodrich offers this size with Blackwall, Wide Whitewall, and Double-Whitewall sidewall styles, and the available products are all bias-ply. This is the size to choose when you want the correct period construction for a 1934 Lafayette, with the final decision centered on how understated or formal you want the sidewall presentation to appear.

Explore 550-17 Tires

1934 Lafayette Models

One model is covered for 1934 Lafayette. Every example uses the same 550-17 tire size, so model identification is simple here and the remaining decision comes down to restoration appearance rather than comparing multiple fitment patterns. Select the model below for model-specific fitment history and product options.

1934 Lafayette 6 Cyl.

The 1934 Lafayette 6 Cyl. was positioned as practical, affordable American transportation with conservative engineering and styling that fit the prewar market. Its tires mount on 17-inch wheels, giving restorers a single clear fitment path while leaving room to tailor the car’s finished look through blackwall or whitewall sidewall choices.

Associated Tire Sizes:

  • 550-17 — bias-ply, period-correct restoration
Explore 1934 Lafayette 6 Cyl. Tires →

Best 1934 Lafayette Tires for Sale

Three products are available across one tire size for 1934 Lafayette vehicles. In 550-17, BFGoodrich offers bias-ply construction with Blackwall, Wide Whitewall, and Double-Whitewall sidewall styles, so the key choice is the period look you want on the car.

Bias Ply

BFGoodrich | 550-17

BFGoodrich - Silvertown Classic Bias Ply

SIDEWALLBlackwall
RIM DIAMETER17 in
RIM WIDTH—
WEIGHT18 lb
MAX LOAD—
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Bias Ply

BFGoodrich 3.25 Inch Double Whitewall | 550-17

BFGoodrich - Silvertown Classic Bias Ply

SIDEWALLDouble-Whitewall
RIM DIAMETER17 in
RIM WIDTH—
WEIGHT18 lb
MAX LOAD—
Buy Now
Bias Ply

BFGoodrich 3.25 Inch Whitewall | 550-17

BFGoodrich - Silvertown Classic Bias Ply

SIDEWALLWide Whitewall
RIM DIAMETER17 in
RIM WIDTH—
WEIGHT18 lb
MAX LOAD—
Buy Now

Frequently Asked Questions

These FAQs cover the 1934 Lafayette’s single 550-17 fitment, what that numeric size means, how sidewall style changes the car’s appearance, and what to check when setting up and caring for a prewar bias-ply tire package.

Size Basics & Fitment

What tire sizes fit 1934 Lafayette vehicles?

1934 Lafayette vehicles use one tire size: 550-17. The 1934 Lafayette 6 Cyl. uses that same size, and the available tires are all bias-ply designs built for 17-inch wheels. The products offered in this size share the same rim diameter, with the visible difference centered on sidewall style rather than a change in basic fitment.

That simplicity is helpful for restorers because the first step is confirming that the car still has the correct 17-inch wheels and that you are working with a 1934 Lafayette 6 Cyl. from this fitment group. Once that is settled, the remaining choice is mostly visual: blackwall for a restrained look, or whitewall variations for a more formal prewar presentation.

What does 550-17 mean on a 1934 Lafayette tire?

A 550-17 tire for a 1934 Lafayette uses the older numeric sizing system common on American cars of the era. The 550 identifies a nominal 5.50-inch section-width class, while the 17 identifies the wheel diameter in inches. In the products available here, 550-17 is built as a bias-ply tire rather than a radial.

Modern buyers sometimes read that code as if it were a newer metric size, but it belongs to a different tire-language era. If you are restoring a 1934 Lafayette for an authentic prewar look and handling character, staying with the proper numeric bias-ply size keeps the car visually and mechanically in the spirit of its original design.

Do all 1934 Lafayette models use the same tire size?

Yes. The 1934 Lafayette model covered here, the 6 Cyl., uses 550-17 throughout this year-and-make fitment group. There is no alternate size within this listing, and the tire choice stays within the same 17-inch bias-ply format regardless of which product version you choose.

That means you do not need to compare one Lafayette model against another for basic tire sizing on this page. What still matters is selecting the sidewall style that suits your car’s level of restoration, period presentation, and personal preference once the correct size itself has been confirmed.

Buying the Right Tire

What sidewall styles are available for 1934 Lafayette tires?

1934 Lafayette tires in 550-17 are available in Blackwall, Wide Whitewall, and Double-Whitewall versions. All three are offered in the same BFGoodrich bias-ply series, so the construction and basic fitment remain consistent while the exterior appearance changes. That gives a restorer a choice between a simpler sidewall presentation and a more formal prewar luxury look.

Sidewall style can change the personality of a finished car more than many buyers expect. A blackwall usually reads as more understated and utilitarian, while wide whitewall and double-whitewall treatments add visual prominence that suits many 1930s restorations. If your car will be judged, compare your choice against period photos, marque references, and the way your specific Lafayette was originally equipped.

What brands make tires for 1934 Lafayette vehicles?

BFGoodrich is the brand represented for 1934 Lafayette in the available 550-17 fitment. The listed products all belong to the Silvertown Classic Bias Ply line, and they are offered with multiple sidewall appearances while staying within the same basic size and construction. That keeps brand choice simple for this year and make.

With only one brand in the current fitment set, your decision is less about comparing manufacturers and more about choosing the presentation that best fits the car. If you are aiming for a specific restoration style, focus on whether a blackwall, wide whitewall, or double-whitewall look is most appropriate for your Lafayette’s intended finish and use.

What is the difference between the available 550-17 products for the 1934 Lafayette?

The available 550-17 products for the 1934 Lafayette share the same BFGoodrich brand, Silvertown Classic Bias Ply series, 17-inch rim diameter, and bias-ply construction. Their listed weight is also the same at 18 pounds. The main difference is sidewall style: one is Blackwall, one is Wide Whitewall, and one is Double-Whitewall.

That means your selection can be guided primarily by how you want the car to present visually rather than by major spec differences inside this group. A buyer focused on a more modest, workmanlike look may lean toward blackwall, while someone finishing a more formal prewar restoration may prefer one of the whitewall treatments.

Fitting & Setup

What rim width do 1934 Lafayette tires require?

1934 Lafayette tires in this fitment group mount on 17-inch wheels, since the available size is 550-17. The wheel diameter is clear, but the deciding factor during setup is making sure the actual wheel is correct for the tire and remains true, straight, and serviceable for a prewar bias-ply installation.

Before mounting new tires, inspect the wheels closely for damage, corrosion around the bead area, and any old repairs that could affect sealing or tube service. On a car of this age, wheel condition matters just as much as the tire itself, so having the rims checked by a shop familiar with vintage wheels is a smart step.

Can the original 1934 Lafayette wheels be used with all tire sizes?

Yes, within this fitment group there is only one tire size for the 1934 Lafayette: 550-17. Since every available product in this listing uses the same 17-inch rim diameter, there is no need to compare multiple diameters or decide between alternate wheel sizes for this year and make.

The practical issue is the condition of the original wheels rather than compatibility between different sizes. A sound, correctly sized original wheel can usually continue in service with the proper 550-17 tire, but it is wise to confirm the wheel’s true diameter, bead condition, and overall integrity before mounting fresh bias-ply tires.

Maintenance, Storage & Longevity

How should I store a 1934 Lafayette when the tires are fitted?

A 1934 Lafayette should be stored in a cool, dry, dark space away from direct sunlight, electric motors, battery chargers, furnaces, and other ozone-producing equipment. Bias-ply tires tend to be more sensitive to long static periods than modern radials, so preventing flat-spotting and sidewall aging is especially important on a prewar car that may sit for weeks or months at a time.

Keep the tires properly inflated, move the car periodically if possible, and avoid leaving it parked on damp surfaces for long stretches. If the Lafayette will be stored for an extended season, many owners also use tire cradles or carefully support the car to reduce stress on the tires while preserving the suspension and wheels.

How long do tires on a 1934 Lafayette typically last?

Tires on a 1934 Lafayette should be judged more by age and condition than by mileage, because collector cars often accumulate very little tread wear. A sound rule is to begin evaluating them closely once they are around five to seven years old and to treat the ten-year point as a serious replacement consideration even if the tread still looks usable.

Check the date code and look beyond appearance alone, since a tire can age out before it wears out. Cracking, hardening, irregular shape, or persistent air loss are stronger warnings than mileage on a low-use prewar car. A freshly restored Lafayette deserves the same age-based tire caution as any other collector vehicle driven only occasionally.

How often should tires on a 1934 Lafayette be inspected?

Tires on a 1934 Lafayette should be inspected before every drive and again before any longer outing or tour. Pay close attention to sidewall cracking, weathering, cuts, bulges, tread separation, and pressure retention, since age-related issues are often more relevant than tread depth on a low-mileage collector car.

A quick pre-drive walkaround catches many problems before they become roadside failures. On a prewar car, it is also smart to inspect valve stems, the spare, and the wheel itself during regular checks. Consistent inspection habits matter because a bias-ply tire can look presentable at a glance while still developing age-related weaknesses.

Restoration & Authenticity

What tires were originally fitted to the 1934 Lafayette 6 Cyl.?

A 1934 Lafayette 6 Cyl. would have been equipped in the bias-ply era, and the appropriate fitment in this group is 550-17 bias-ply on a 17-inch wheel. That aligns with the period construction expected for an American passenger car of the mid-1930s. Original-equipment branding could vary by market and delivery circumstances, so the key authenticity markers are the correct size, era-correct construction, and suitable sidewall presentation.

For a serious restoration, use the size and construction as your foundation, then compare sidewall appearance against period photographs, sales literature, and marque-club guidance. If the car is being restored to a very specific delivery condition or show standard, confirm those finer details with Lafayette and Studebaker specialists who focus on prewar judging norms.

Does correct tire fitment matter for showing a 1934 Lafayette?

Yes, correct tire fitment matters on a 1934 Lafayette in both visual and authenticity terms. Judges and knowledgeable enthusiasts often notice whether the car carries the proper numeric size, whether the construction suits the era, and whether the sidewall style looks consistent with how a mid-1930s American car should present. A modern-looking substitute can stand out quickly on an otherwise faithful restoration.

Even when two tires fit the same wheel, the one that looks right for the period usually supports a stronger overall presentation. If your Lafayette will appear at judged events, check the event’s standards and compare your sidewall choice to period references. Marque clubs remain the best source for understanding whether a blackwall or whitewall treatment is most appropriate for your exact restoration goal.

What is the difference between blackwall and whitewall 1934 Lafayette tires for authenticity?

For a 1934 Lafayette, blackwall, wide whitewall, and double-whitewall versions all exist in the same 550-17 bias-ply fitment, so the authenticity question centers on appearance rather than size. Blackwall generally gives a more restrained, workmanlike prewar look, while whitewall styles create a more formal and dressy presentation that many 1930s owners favored on well-kept passenger cars.

The best choice depends on how your particular Lafayette is being restored and the visual standard you want the finished car to meet. If you are building for shows, compare your selection against factory photography, dealer literature, and period images of similarly equipped cars. Sidewall treatment may seem cosmetic, but on a prewar restoration it strongly influences whether the car looks convincingly right.

Safety & Road Use

Are 1934 Lafayette tires safe for highway driving?

A properly maintained 1934 Lafayette tire in the correct 550-17 bias-ply size can be suitable for normal road use when it is in sound condition and used within the expectations of a prewar car. The more important real-world limits often come from the vehicle itself, including early-1930s braking, suspension, steering, and overall road manners, rather than from a search for modern high-speed capability.

Highway use should be approached with the temperament appropriate to a 1934 automobile. That means sound tires, careful pressure maintenance, regular inspections, and realistic cruising habits rather than treating the car like a modern interstate machine. If the Lafayette will see longer road miles, its entire chassis and braking system deserve the same attention as the tires.

What inflation pressure should I use for 1934 Lafayette tires?

Inflation pressure for 1934 Lafayette tires should be set with the car’s factory guidance and the tire manufacturer’s specifications in mind for the 550-17 bias-ply tire you choose. Pressure should not be guessed from a different size or copied from a modern vehicle, because vintage bias-ply tires and prewar chassis behavior respond differently than later tire designs.

Start by checking the owner’s literature or a trusted marque reference for the original pressure recommendation, then compare that with the tire maker’s current guidance for the reproduction tire in service. Keep pressures consistent side to side and recheck them regularly, since a prewar car’s ride, tracking, and tire wear can change noticeably when inflation drifts.

What should I check before taking a 1934 Lafayette on a longer drive?

Before a longer drive in a 1934 Lafayette, inspect each 550-17 tire for cracking, cuts, bulges, uneven wear, and secure valve stems, and verify that all tires are holding the intended pressure. Check the spare as well, since a low-use collector spare is often old enough to need the same scrutiny as the road tires. Tire condition should be treated as one part of a full prewar mechanical inspection.

A wise longer-trip routine also includes reviewing wheel condition, brakes, steering play, cooling system health, and basic fluid levels. Prewar cars ask for more deliberate preparation than newer vehicles, and the tire inspection is your first line of defense. A Lafayette that is ready for the road should feel sorted before it leaves the garage, not after it reaches highway speed.