The 1928 Hupmobile M comes from an era when American cars were rapidly becoming more refined, more powerful, and more comfortable for long-distance touring. Hupmobile had built a strong reputation for engineering substance, and the M reflects that late-1920s transition from early motoring into a more mature full-size automobile experience. Tire fitment for the 1928 Hupmobile M centers on bias-ply sizing, with 31X6.00 and 600-19 both associated with this model on 19-inch fitment. That makes the real choice less about modern plus-sizing and more about selecting the right vintage-style presentation, especially for buyers considering a traditional blackwall look versus a Wide Whitewall restoration-oriented appearance.
Which Tire Size Is Right for The 1928 Hupmobile M
The 1928 Hupmobile M uses two associated tire sizes, and both are bias-ply fitments tied to 19-inch wheel fitment. The first step is confirming which size is appropriate for the car's current wheel and tire setup, since vintage vehicles are often restored or updated over time. Once that is settled, the decision becomes choosing the right period-style tire presentation and product style for the way the car is being restored or driven.
31X6.00 is an antique diameter-by-section size, meaning the first number refers to the tire's approximate overall diameter and the second refers to its nominal section width in inches. On a 1928 Hupmobile M, it represents a traditional bias-ply fitment from the late 1920s, when tire sizing conventions were still closely tied to overall tire dimensions rather than modern metric sizing. Buyers looking at this size should think in terms of authentic vintage format, wheel compatibility, and overall stance. It is a useful size to evaluate carefully on cars that may have seen wheel changes during restoration or long-term ownership.
600-19 is a numeric bias-ply size in which the leading number represents an approximate 6.00-inch nominal section width and the final number identifies a 19-inch rim. For the 1928 Hupmobile M, this size keeps the tire choice firmly in period-style bias-ply territory and is available in a Lester Classic Bias Ply offering with a Wide Whitewall sidewall treatment. That gives restoration-minded owners a distinct visual option rather than a purely technical replacement choice. It is the size to examine closely when appearance matters as much as fitment, especially on a car being finished to a traditional late-1920s look.
Sub-model fitment is straightforward here, because the covered Hupmobile M sub-model shares the same associated tire sizes. Checking the exact sub-model still matters on a vintage car, since wheel changes over time can affect which of the original-style sizes makes the most sense today.
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1928 Hupmobile M 8 Cyl.
The 1928 Hupmobile M 8 Cyl. uses the same pair of associated bias-ply sizes found on this model, keeping tire selection centered on correct vintage sizing rather than modern alternatives. The practical decision is confirming the car's present wheel setup and then choosing the tire style that best matches either a traditional driver restoration or a more appearance-focused presentation.
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 1928 Hupmobile M Tires for Sale
Available 600-19 options for the 1928 Hupmobile M focus on traditional bias-ply construction and restoration-oriented appearance. The current choice centers on Lester's Classic Bias Ply line with a Wide Whitewall sidewall, giving buyers a clear visual direction within the correct vintage size.
These 1928 Hupmobile M tire FAQs focus on vintage sizing, 19-inch wheel fitment, bias-ply construction, restoration appearance, and the checks that matter before putting a late-1920s car back on the road.
Tire Size & Fitment
What tire size fits a 1928 Hupmobile M?
The 1928 Hupmobile M is associated with two bias-ply tire sizes: 31X6.00 and 600-19. Both belong to the vintage sizing world, and both are tied to this exact year, make, and model rather than to a modern metric replacement format.
The key step is confirming the car's actual wheel and tire setup before choosing between them. Many pre-war and late-1920s vehicles have been restored, re-wheeled, or otherwise changed over the years, so the size on the car now, the wheel dimensions, and the intended appearance should all be checked before selecting a replacement tire.
What size rim does a 1928 Hupmobile M use?
The 1928 Hupmobile M uses 19-inch rim fitment. That rim diameter aligns directly with the 600-19 size, and it is the wheel diameter to verify first when replacing tires on a car from this era.
Rim diameter is especially important on vintage cars because antique-style size markings can look unfamiliar to modern buyers. A replacement tire still needs to match the wheel correctly, so it is wise to inspect the wheel itself, confirm its actual diameter, and make sure the tire size being considered matches both the rim and the car's present configuration.
Does the 1928 Hupmobile M 8 Cyl. use the same tire size?
Yes. The 1928 Hupmobile M 8 Cyl. shares the same associated tire sizes as this model, using 31X6.00 and 600-19 in bias-ply construction. That keeps fitment simple at the sub-model level compared with vehicles that split sizes by trim or package.
Even with shared sub-model fitment, the car itself still deserves a careful look before new tires are chosen. On an older restoration, wheel changes, prior replacement choices, or long-term ownership history can leave the car wearing something different than expected, so the best approach is to verify the current wheels and tire markings before making a final selection.
Choosing the Right Tire
What should I consider when choosing a 600-19 tire for a 1928 Hupmobile M?
Start with the basics: correct 600-19 sizing, bias-ply construction, and compatibility with the car's 19-inch wheel setup. From there, the decision usually shifts toward visual character, since this size is often chosen by owners who want a traditional late-1920s tire presentation.
Sidewall treatment can matter just as much as fitment on a restoration-minded Hupmobile. A Wide Whitewall creates a distinctly formal period-style appearance, while overall tire choice should still be checked against wheel condition, intended road use, and the car's current setup so the finished result looks right and works properly.
What sidewall styles are available for 1928 Hupmobile M tires?
For the 1928 Hupmobile M, the currently available 600-19 product uses a Wide Whitewall sidewall style. That gives the car a strong restoration-oriented visual statement and suits the formal, upscale look many owners want from a late-1920s automobile.
Sidewall choice affects the finished appearance more than many buyers expect, especially on cars with tall tires and prominent fenders. A whitewall should be chosen as an appearance decision rather than assumed to be universally correct for every restoration, so owners focused on historical detail may want to compare the tire choice with period photos or marque-specific references.
What tire series are available for the 1928 Hupmobile M?
The current 600-19 product for the 1928 Hupmobile M belongs to the Lester Classic Bias Ply series. That places it squarely in the vintage bias-ply category rather than a modern radial-style substitute, making it relevant to owners who want a traditional construction and period-style look.
Series differences matter because they often shape the tire's overall presentation as much as the size itself. On a collector vehicle like this, the series helps signal whether the tire is aimed at antique styling, restoration use, or a more specialized appearance choice, so it should be considered alongside size, sidewall style, and wheel compatibility.
Restoration & Appearance
Which tire should I choose for a period-style 1928 Hupmobile M?
A period-style 1928 Hupmobile M should stay with one of its correct vintage bias-ply sizes, either 31X6.00 or 600-19, depending on the car's actual wheel and current setup. For buyers pursuing a traditional restoration-oriented presentation, 600-19 keeps the selection within a recognized late-1920s numeric bias-ply format.
The final choice should balance fitment with the look you want the car to project. On an antique sedan or touring-oriented car from this era, tire shape and sidewall styling have a major visual effect, so wheel confirmation, period photos, and marque-specific restoration references can be just as important as the size marking itself.
Does correct tire fitment matter for a 1928 Hupmobile M restoration?
Yes, correct tire fitment matters on a 1928 Hupmobile M restoration because tire size strongly affects the car's stance, visual proportions, and overall period character. On a vehicle with tall, narrow vintage tires, the wrong size or construction can change the appearance quickly and make the restoration look less settled.
Fitment also matters mechanically, especially on a car that may have original-style wheels or older restoration work. The right approach is to confirm wheel diameter, check the size currently on the car, and make sure the chosen tire supports both the appearance goal and the practical realities of how the Hupmobile will actually be used.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1928 Hupmobile M?
Yes. Modifications can affect tire fitment on a 1928 Hupmobile M, especially if the car has had wheel changes, brake updates, suspension work, or body restoration that altered clearances. Even on an antique car, a small change in wheel dimensions or ride height can influence which vintage-size tire makes sense.
That is why it helps to inspect the car as it sits today instead of assuming every surviving Hupmobile M remains in original wheel configuration. Check wheel diameter, look at the size already installed, and make sure there is adequate clearance at the fenders and steering range before committing to a replacement tire.
What should I inspect before driving a 1928 Hupmobile M on new tires?
Before driving a 1928 Hupmobile M on new tires, inspect the wheels for condition, confirm that the tires are seated correctly, and make sure inflation is set appropriately for the chosen tire. It is also smart to look over the valve stems, tread area, and sidewalls after installation.
A short, careful road check is worthwhile on any antique car returning to service. Pay attention to clearance at full steering lock, watch for uneven stance or rubbing, and recheck air retention after the first drive. On a collector vehicle that may spend long periods parked, those early inspections can catch issues before they become bigger problems.
How should 600-19 tires on a collector 1928 Hupmobile M be maintained?
600-19 tires on a collector 1928 Hupmobile M should be maintained with regular pressure checks, routine visual inspection, and careful storage habits. Even if the car sees limited mileage, the tires still need attention for cracking, cuts, bulges, uneven wear, and any sign of slow air loss.
Collector vehicles often age their tires through time and storage conditions as much as through road use. Keeping the Hupmobile away from prolonged sunlight, excess heat, moisture, and ozone sources helps preserve the tires, while periodic inspection before each outing gives a better chance of spotting age-related issues before taking the car on the road.
