The 1930 Hupmobile C comes from an era when independent automakers competed on engineering, style, and road manners in a rapidly changing American market. Hupmobile built a strong reputation in the late 1920s and early 1930s, and the Model C remains appealing to collectors who want a distinctive prewar car rather than a more common mainstream nameplate. Tire selection centers on two period bias-ply fitments, 31X6.00 and 600-19, both tied to the car’s traditional 19-inch wheel setup. That keeps the focus on proper vintage sizing language and appearance, especially for buyers considering a wide whitewall presentation. Before choosing, it helps to confirm which size is on the car now and whether the goal is restoration-minded authenticity or dependable touring use.
Which Tire Size Is Right for The 1930 Hupmobile C
The 1930 Hupmobile C uses two primary tire sizes, and both are bias-ply fitments associated with the covered vehicle. The first step is confirming which size is actually fitted to the car now, since prewar vehicles can retain original-style wheel setups or have been changed over time. Once that is clear, the decision becomes choosing the right period-style tire presentation within the correct size.
31X6.00 is an antique diameter-by-section size, so the first number refers to an approximate overall tire diameter of 31 inches and the second number refers to an approximate section width of 6.00 inches. It is a bias-ply fitment that suits the prewar construction style and visual character expected on a 1930 Hupmobile C. This format is especially familiar on early vehicles where tire sizing was often described by outside diameter rather than by the later rim-diameter-first conventions. It is a useful size to evaluate carefully if the car retains an early-period wheel and tire setup and you want to preserve that traditional look.
600-19 is a numeric bias-ply size in which the 600 designates an approximate 6.00-inch nominal section width and the 19 identifies the rim diameter in inches. On a 1930 Hupmobile C, it represents a more familiar vintage sizing convention for a 19-inch wheel while still keeping the proper prewar bias-ply construction style. Available tires in this size include a Lester option in the Lester Classic Bias Ply series with a Wide Whitewall sidewall treatment. It is the size to focus on if the car is running 19-inch rims and the goal is a restoration-oriented appearance with a traditional whitewall presentation.
Sub-model fitment is straightforward here because the covered 1930 Hupmobile C 8 Cyl. uses the same two primary tire sizes. Checking the exact sub-model still matters, but the larger question is confirming which of the two period bias-ply sizes is on the car’s current wheel setup.
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1930 Hupmobile C 8 Cyl.
The 1930 Hupmobile C 8 Cyl. uses the same two bias-ply tire sizes associated with this model family, so selection starts with identifying which size the car is actually wearing. That makes the next decision less about trim differences and more about matching the wheel setup, visual style, and restoration direction of the individual car.
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.
Best 1930 Hupmobile C Tires for Sale
Available 1930 Hupmobile C product choices center on 600-19 bias-ply fitment, including Lester tires in the Lester Classic Bias Ply series with a Wide Whitewall sidewall style. That gives buyers a clear comparison point when appearance matters as much as vintage size and construction.
These FAQs focus on 1930 Hupmobile C tire size identification, 19-inch rim fitment, bias-ply selection, restoration-minded appearance, and the practical checks worth making before putting a prewar car back on the road.
Tire Size & Fitment
What tire size fits a 1930 Hupmobile C?
The 1930 Hupmobile C uses two primary tire sizes: 31X6.00 and 600-19. Both are bias-ply fitments, and the covered 1930 Hupmobile C 8 Cyl. is associated with those same two sizes rather than a separate sub-model-specific tire listing.
The practical step is confirming which size is on the car now, because antique and prewar vehicles are often restored, re-wheeled, or updated over time. Sidewall markings, wheel measurements, and the tire’s overall visual proportions can help determine whether the car is set up for the antique 31X6.00 format or the 600-19 numeric bias-ply size.
What size rim does a 1930 Hupmobile C use?
The 1930 Hupmobile C uses a 19-inch rim in the fitment covered here. That rim diameter is directly tied to the 600-19 bias-ply size and is the key wheel measurement to verify before choosing a replacement tire.
Rim diameter matters first, but it is not the only wheel measurement worth checking on a prewar car. Actual wheel condition, width, and any previous restoration changes should be reviewed as well, especially if the car has been apart for years or has mixed components from earlier repairs and long-term collector ownership.
What does 31X6.00 mean on a 1930 Hupmobile C?
31X6.00 is an antique diameter-by-section size. The 31 refers to an approximate overall tire diameter in inches, while 6.00 refers to an approximate section width, making it different from later numeric bias-ply sizing such as 600-19.
That older size language can be confusing if you are more familiar with modern rim-diameter-based sizing. On a 1930 Hupmobile C, the main takeaway is that 31X6.00 describes a traditional prewar bias-ply tire format, so the size should be matched carefully to the wheel setup already on the car rather than assumed equivalent to another vintage code.
Choosing the Right Tire
What should I consider when choosing a 600-19 tire for a 1930 Hupmobile C?
Start with the correct size and construction, since 600-19 for the 1930 Hupmobile C is a bias-ply fitment intended for a 19-inch rim. After that, compare the tire’s visual character, series, and any available product specifications that matter to your restoration or touring plans.
A buyer focused on presentation may care most about sidewall styling, while a road-use buyer may put more emphasis on matching the existing wheel setup and overall condition of the car. It also helps to inspect the rims themselves before mounting new tires, since an older wheel can affect how well a vintage-style tire performs in service.
What sidewall styles are available for 1930 Hupmobile C tires?
For the available 600-19 product selection associated with the 1930 Hupmobile C, the sidewall style offered is Wide Whitewall. That gives the car a strong period-style presence and is often an important part of the visual impact on a prewar automobile.
Appearance choice should still follow correct fitment, not replace it. A whitewall can complement a restoration-minded build, but the size on the car, wheel condition, and intended use matter just as much, particularly on an older vehicle where the existing setup may have changed during earlier ownership or restoration work.
What tire series are available for the 1930 Hupmobile C?
The available product assortment for the 1930 Hupmobile C includes the Lester Classic Bias Ply series in 600-19. That series aligns with the car’s vintage bias-ply construction and offers a traditional presentation suited to prewar styling.
Series names help distinguish the character of the tire, but the first priority remains selecting the correct size already fitted to the car. Once that is settled, the series and sidewall treatment become useful ways to match the tire to a restoration-oriented look or to a driver-focused collector car that still needs proper period-style proportions.
Restoration & Appearance
Which tire should I choose for a period-style 1930 Hupmobile C?
A period-style 1930 Hupmobile C should start with one of its proper bias-ply fitments, either 31X6.00 or 600-19, depending on the wheel and tire setup already on the car. That keeps the sizing language, construction style, and visual profile aligned with the vehicle’s prewar character.
For many restoration-minded owners, the better choice is the one that matches the car’s existing wheels and the look they are trying to preserve. If exact originality is important, compare the car against marque-specific references, restoration photos, and other historical records before settling on a sidewall treatment or final tire presentation.
Does correct tire fitment matter for a 1930 Hupmobile C restoration?
Correct tire fitment matters a great deal on a 1930 Hupmobile C because tire size and construction strongly affect stance, proportions, and how convincingly the car presents as a prewar automobile. Using the proper bias-ply size family helps maintain the visual balance that collectors expect.
Fitment also matters beyond appearance. A tire that does not suit the wheel setup can create avoidable mounting, clearance, or driving issues, especially on an older restoration with aged components. Even when the goal is mainly cosmetic, wheel condition and actual installed size should be checked before putting the car back into regular road use.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1930 Hupmobile C?
Yes, modifications can affect tire fitment on a 1930 Hupmobile C, even when the replacement tire is one of the correct vintage sizes. Changed wheels, altered ride height, brake updates, or previous restoration work can all influence how a bias-ply tire sits and clears the car.
A careful check should include wheel diameter, wheel condition, steering clearance, and space around the fenders and suspension. Prewar cars often accumulate changes over many decades, so it is wise to inspect the actual setup in front of you rather than assume the car still matches its original wheel and tire configuration.
What should I inspect before driving a 1930 Hupmobile C on new tires?
Before driving a 1930 Hupmobile C on new tires, inspect the wheels for damage, corrosion, and seating condition, then check that the tires are properly mounted and inflated. It also helps to review tread and sidewall condition on any spare tire that may still travel with the car.
A short shakedown drive should be paired with a second inspection for air loss, rubbing, or unusual wear patterns. Since collector cars can sit for long periods, look beyond the tires themselves and confirm that steering, suspension, and braking components are ready for road use before moving on to longer drives.
How should 600-19 tires on a collector 1930 Hupmobile C be maintained?
600-19 tires on a collector 1930 Hupmobile C should be maintained with regular pressure checks, visual inspections, and attention to age-related condition rather than tread depth alone. Bias-ply tires on low-use vintage cars deserve close monitoring for cracking, bulges, cuts, and slow air loss.
Storage conditions matter just as much as mileage on a prewar collector vehicle. Keeping the car away from prolonged sun, heat, moisture, and ozone sources can help preserve the tires, and occasional inspections of wheel condition and valve areas are worthwhile when a Hupmobile spends long stretches parked between driving seasons.
