Plymouth P11 Tires
Plymouth P11 sits squarely in the early 1940s American passenger-car era, a period when practical, well-built family transportation still carried strong prewar styling and rode on tall bias-ply tires. Produced for 1941, Plymouth P11 belongs to that transitional moment when owners today often balance restoration correctness, driving manners, and the visual character that period tire sidewalls give the car. Tire selection is not entirely straightforward because the same model year uses two different listed sizes, even though both are built for the same 16-inch wheel diameter. The first step is to confirm which 16-inch tire size matches the specific car's wheel width, stance, and intended restoration direction.
Plymouth P11 Tire Size Guide
Plymouth P11 uses 2 distinct tire sizes across the 1941 to 1941 production span. Both listed sizes fit 16-inch wheels, so the key difference is overall section size rather than a wheel diameter change. These are numeric bias-ply sizes, where the first number is the nominal section width with the decimal omitted and the last number is the rim diameter in inches.
The 600-16 size is one of the listed 1941 Plymouth P11 fitments and is commonly associated with standard passenger-car style bias-ply replacements in this application. In this code, 600 indicates a nominal 6.00-inch section width and 16 indicates a 16-inch rim diameter, with most products specifying 4.00 to 4.50-inch rim widths. Choose 600-16 when the car is set up for the narrower listed fitment or when a period passenger-car look is the goal; A tube is required.
The 650-16 size is also listed for the 1941 Plymouth P11 and represents the larger of the two available fitments for the model year. In this code, 650 indicates a nominal 6.50-inch section width and 16 indicates a 16-inch rim diameter, with most products specifying 4.50 to 5.00-inch rim widths. Choose 650-16 when the car carries the wider wheel and you want the fuller section width associated with that setup; A tube is required.
Plymouth P11 Tires by Year
The year listing breaks Plymouth P11 tire fitments down by model year so you can match the car first and then review the sizes attached to that year. In 1941, more than two sizes are not listed, but two sizes are, which points to a configuration or wheel-width split rather than a year-to-year change. Plymouth P11 was built in a short prewar run, so it is wise to verify the car against original literature or a knowledgeable Plymouth specialist before settling on one size.
1941 Plymouth P11
- 600-16
- 650-16
Best Plymouth P11 Tires for Sale
Plymouth P11 tire options include 45 products across 10 brands, covering 600-16 and 650-16 sizes. Blackwall, wide whitewall, and double-whitewall choices are available, along with passenger and military-truck style offerings, so confirm the correct size and 16-inch rim fit before selecting.
600-16 Products
These are the available products for 600-16.
650-16 Products
These are the available products for 650-16.
Frequently Asked Questions
The FAQ below focuses on the two 16-inch Plymouth P11 tire sizes, how numeric bias-ply sizing works, which sidewall and series choices exist, and what collector-car owners should know about tube-type use, restoration correctness, and low-mileage tire care.
Size Basics & Fitment
Plymouth P11 uses two listed tire sizes for 1941: 600-16 and 650-16. Both sizes fit 16-inch wheels, but they differ in section width. Products in 600-16 are generally matched to 4.00 to 4.50-inch rims, while most 650-16 products are matched to 4.50 to 5.00-inch rims, making wheel width an important part of the choice.
That means a Plymouth P11 owner should not choose by year alone, because both sizes appear in the same model year. Check the wheel width, inspect the tires currently on the car if they are known to be correct, and compare the car's stance and restoration goals. A narrower 600-16 and a wider 650-16 can both be right depending on how the car is equipped.
On a Plymouth P11, 600-16 is a numeric bias-ply size. The 600 portion represents a nominal 6.00-inch section width, with the decimal omitted in the older sizing style, and the 16 identifies a 16-inch rim diameter. That size appears as one of the 1941 Plymouth P11 fitments and is offered in multiple bias-ply product lines and sidewall styles.
Modern buyers sometimes read older size codes too quickly, so it helps to separate tire width from wheel diameter before comparing products. For a Plymouth P11, the practical next step is to confirm the wheel width, since many 600-16 products are intended for 4.00 to 4.50-inch rims. That keeps the tire's shape, stance, and load-carrying behavior aligned with the wheel it is mounted on.
A 1941 Plymouth P11 has two listed tire sizes because both 600-16 and 650-16 were used within the same model year. The rim diameter does not change, since both fit 16-inch wheels, so the split is tied to configuration, wheel width, or the way a particular car was equipped rather than to a different wheel diameter. The narrower size is 600-16, and the wider size is 650-16.
For an owner, that means the year alone is not enough to settle the matter. Measure the wheel width, review any surviving factory literature or restoration records that belong to the car, and look at how much sidewall and tread width the current setup carries. Those checks usually point clearly toward either the 600-16 or the 650-16 fitment.
Plymouth P11 fitments here are overwhelmingly bias-ply numeric sizes, and that style is generally used as tube-type service in collector applications. Both listed Plymouth P11 sizes, 600-16 and 650-16, are represented mainly by bias-ply products, which is consistent with tube use on period wheels. One 650-16 truck-style product is marked tubeless, but that does not change the general practice for stock passenger-car restoration use.
Tube choice should follow the wheel and tire construction actually being used on the car. If a Plymouth P11 still wears original-style wheels, tube-type service is the normal path, and the tube should match the tire size and valve-stem requirements. When there is any doubt about the wheel's condition or sealing surface, a careful inspection before mounting is more important than relying on appearance alone.
Buying the Right Tire
A 1941 Plymouth P11 can take either 600-16 or 650-16, so the correct choice comes from the car's actual wheel and setup. The quickest factual checks are the wheel width, the size stamped on an existing known-correct tire, and any surviving build information or restoration notes that have stayed with the car. Both sizes use a 16-inch rim, but they are not interchangeable in appearance or ideal wheel-width range.
Start at the wheel, not the tire catalog. A 600-16 usually aligns with the narrower listed rim range, while a 650-16 usually aligns with the wider one, and that affects profile, clearance, and overall look. If the car is being judged or restored to a specific presentation, compare your findings with Plymouth reference material or a marque expert before making the final call.
Plymouth P11 tires are available in blackwall, wide whitewall, and double-whitewall styles within the listed sizes. The 600-16 range includes blackwall, wide whitewall, and double-whitewall options, while 650-16 includes blackwall and wide whitewall choices. Those sidewall differences affect appearance much more than basic fit, since the sizes and 16-inch rim diameter stay the same.
For a restoration-minded Plymouth P11 owner, sidewall style should match the character of the specific car rather than personal preference alone. Blackwalls usually suit a more restrained, utilitarian presentation, while wide whitewalls create a dressier period look. Double-whitewall choices exist in 600-16, so owners pursuing a specific visual statement should compare surviving photos, trim level cues, and show standards before deciding.
Plymouth P11 tire options here come from BFGoodrich, Coker Classic, Avon, Firestone, Ford Script, Excelsior, Lester, Goodyear, STA, Camac, Garfield, and Tornel. Those brands are spread across the two listed sizes, with some focused on classic passenger-car bias-ply designs and others offering military, truck, or utility-style tread patterns in the same rim diameter. Brand choice therefore goes beyond name recognition and reflects the type of tire you want the car to wear.
The practical way to narrow the field is to decide first whether the Plymouth P11 is being restored as a period passenger car, driven casually, or styled around a more utility-oriented look. Once the correct size is settled, compare the available brands by sidewall treatment, tire series, and intended character. That approach keeps the purchase tied to the car's purpose instead of choosing only by badge on the sidewall.
Plymouth P11 tires are offered in several distinct series, including Silvertown Classic Bias Ply, Coker Classic Bias Ply, Firestone Classic Bias Ply, Deluxe All-Weather, Lester Classic Bias Ply, Excelsior Bias Ply, Turbospeed Mk4, Tourist Crossply, Traction Mileage, Firestone Military NDT, Military NDT, NATO CJ110, Transport, Super Traxion, Transport Highway, Tornel Classic Truck, Firestone Classic Truck, Garfield Classic Bias Ply, and Ford Script. Some series are styled as passenger-car bias-ply restorations, while others are military or truck tread designs intended for a different look and duty profile.
That variety matters because a Plymouth P11 can wear the same nominal size in very different visual and driving contexts. A classic passenger-car series suits a stock restoration or period street appearance, while military NDT or truck tread lines create a noticeably more utilitarian result. Choose the series only after confirming the correct size and deciding whether authenticity, display style, or specialty use matters most for the car.
Maintenance & Longevity
A stored Plymouth P11 should be kept in a cool, dry, dark space with the tires shielded from sunlight, ozone sources, and petroleum contamination. Bias-ply tires on collector cars benefit from clean floors, stable temperatures, and inflation that is checked regularly rather than ignored for long intervals. If the car will sit for extended periods, moving it slightly from time to time can help reduce prolonged flat-spotting.
Long storage is easiest on the tires when the car is prepared before it is parked, not after sidewalls begin to age. Keep the Plymouth P11 away from electric motors, chargers, and heaters that create ozone, and avoid leaving weight on one contact patch for months at a time. Owners who show the car infrequently often gain tire life simply by treating storage as part of tire maintenance.
Tires on a Plymouth P11 should be inspected before every meaningful drive and again at regular intervals during the season, even if the car sees very low mileage. Bias-ply collector tires can age, lose pressure, or develop visible changes while tread still looks substantial, so casual annual checks are not enough. Sidewalls, tread surface, valve stems, and the wheel area around the bead all deserve close attention.
A practical inspection routine keeps small issues from becoming road problems. Check pressure with an accurate gauge, look for cracking, separations, scuffing, uneven wear, or evidence that the tube or flap may be affecting the casing, and pay attention to any change in steering feel once the Plymouth P11 is moving. If the car has been dormant for a long stretch, inspect it before the next outing rather than after.
Tires on a Plymouth P11 should be replaced when age, cracking, casing condition, deformation, repeated air loss, or any sign of structural decline appears, even if the tread depth still looks serviceable. Collector-car tires often age out long before they wear out, especially on cars that are driven gently and infrequently. Visible tread alone is not a reliable guide to continued service on an older bias-ply application.
The right replacement moment comes from condition and age history, not from mileage alone. If a Plymouth P11 has spent years parked, has unknown tire age, or shows sidewall weathering, treat the tires as candidates for replacement and have them evaluated during routine service. A conservative approach is especially sensible on prewar-era designs, where tire appearance can remain presentable after the rubber has already aged materially.
Restoration & Authenticity
Plymouth P11 is associated here with two original-style numeric bias-ply sizes for 1941: 600-16 and 650-16. The available replacement families include classic passenger-car series such as Silvertown Classic Bias Ply, Firestone Classic Bias Ply, Coker Classic Bias Ply, Lester Classic Bias Ply, Excelsior Bias Ply, Deluxe All-Weather, and other period-style offerings. Because more than one size appears in the same year, original fitment on a specific car should be tied to that car's actual configuration.
A restoration should begin by identifying which of the two listed sizes belongs on the individual Plymouth P11 before choosing a brand or sidewall treatment. Once that is settled, period-style bias-ply lines are the natural direction for an authentic appearance. Owners pursuing top-level correctness should compare wheel width, surviving factory literature, and period photographs so the final tire choice suits the car rather than the generic model name.
Correct tire fitment can materially affect how a Plymouth P11 is perceived in both judging and private-sale settings. Size, sidewall style, and overall tire character all influence stance and period accuracy, and judges or knowledgeable buyers notice when a prewar Plymouth sits too wide, too narrow, or on a tread style that does not match the presentation of the car. Even when both listed sizes are historically plausible, the wrong one for the car's actual setup can look out of place.
The strongest approach is to match the Plymouth P11's tires to the car's intended standard: preservation, factory-style restoration, or period-custom display. Wheel width, trim level cues, and era-correct sidewall treatment should all line up. If the car will be shown, compare your planned fitment with marque-club guidance and period photography so the tire choice supports, rather than undermines, the car's authenticity and overall presentation.
Plymouth P11 restoration choices here include blackwall, wide whitewall, and, in 600-16, double-whitewall. Blackwall gives a more understated period appearance, while wide whitewall creates the more formal, dressed look many restorers want on early 1940s American passenger cars. Double-whitewall is available but should be used with care if strict period presentation matters for the specific car.
The correct sidewall for a Plymouth P11 restoration depends on how the individual car was equipped and how closely the owner wants to follow period presentation. Surviving photos, sales literature, and judging standards are the best references for deciding between blackwall and whitewall treatments. Once the right sidewall style is chosen, stay with the correct 600-16 or 650-16 size so the visual effect remains proportionate to the car.
Safety & Road Use
Properly selected, properly mounted, and well-maintained tires of the listed Plymouth P11 sizes can be suitable for public-road use in the manner expected of a collector car. Most options here are bias-ply designs, so they deliver period-correct behavior rather than modern radial-like responses. Safety depends as much on the age and condition of the tire, wheel, tube setup, and the car's steering and braking systems as it does on the size molded into the sidewall.
A Plymouth P11 that is driven on roads should be treated as a historic car, not as a modern daily driver. Keep speeds moderate, maintain inflation carefully, and make sure the chassis, suspension, and brakes are sorted before expecting stable road manners. When a car feels vague, wanders, or reacts oddly after sitting, the correct response is inspection and correction, not simply adding miles and hoping the behavior improves.
Before driving a Plymouth P11, check tire pressure, sidewall condition, tread condition, valve stems, and the wheel area for any sign of leakage, cracking, or bead trouble. On a bias-ply collector car, you should also look for flat spotting after storage and confirm that all four tires match in size and basic construction. Any tire that has lost pressure repeatedly or shows bulging, cuts, or age-related surface breakdown deserves attention before the car moves.
Those tire checks should happen alongside a broader walk-around that includes brakes, steering play, fluid leaks, and wheel-fastener security. A Plymouth P11 can feel very different from a modern car even when everything is healthy, so small problems are easier to catch in the garage than on the road. If the car has been stored for months, a short, cautious test at low speed is wiser than heading straight into traffic.
A Plymouth P11 on original-style bias-ply tires should be driven at moderate speeds that respect the age, design, and handling character of both the car and the tire. Even with fresh tires in 600-16 or 650-16, the overall driving experience remains prewar in steering response, braking feel, and lane stability. The practical goal is smooth, unhurried road use rather than sustained modern highway pacing.
Owners get the best results when they let the Plymouth P11 settle into the kind of speeds and roads that suit a 1941 American car. Keep extra distance, avoid abrupt steering inputs, and reduce speed further on crowned roads, grooved pavement, or in strong crosswinds. If the car is newly restored or newly fitted with tires, build familiarity gradually instead of assuming modern behavior from a period-style bias-ply setup.