The 1964 Humber Super Snipe belongs to the last generation of a big British luxury saloon known for formal styling, smooth long-distance character, and a distinctly mid-century road presence. Owners usually approach this car with an eye toward preserving that refined touring feel as much as its appearance. Tire fitment for the 1964 Humber Super Snipe centers on two 15-inch choices: a 185R15 radial and a 775-15 bias-ply. That opens the door to very different paths, from traditional bias-ply sidewall treatments to Euro-style radial options in blackwall, narrow whitewall, and redline form. The right choice depends on whether the goal is restoration-minded presentation, road-use comfort, or a careful balance of both.
Which Tire Size Is Right for The 1964 Humber Super Snipe
The 1964 Humber Super Snipe uses two primary tire sizes, and both fit a 15-inch rim. One is a radial 185R15 and the other is a bias-ply 775-15, so the first step is deciding whether the car is staying with a traditional bias-ply setup or using the radial fitment. Since the Base sub-model uses both sizes, the real decision is construction, appearance, and wheel compatibility rather than sub-model differences.
185R15 is a Euro-metric radial size in which 185 is the nominal section width in millimeters, R identifies radial construction, and 15 is the rim diameter in inches. On a 1964 Humber Super Snipe, this size represents the radial side of the vehicle's fitment story and suits owners looking for a more modern radial-format tire in the proper 15-inch diameter. Available choices include Coker Classic, Michelin, Avon, and Universal Vintage Tire, with blackwall, narrow whitewall, and redline sidewall treatments. It is a strong option when the goal is to keep the car on a period-appropriate radial size while comparing brand character and wheel-width compatibility.
775-15 is a numeric bias-ply size where 7.75 indicates the nominal section width in inches and 15 identifies the wheel diameter. For the 1964 Humber Super Snipe, it preserves a traditional bias-ply construction and opens up the broadest range of classic-looking sidewall choices. Available options include BFGoodrich, Firestone, and Goodyear products in blackwall, narrow whitewall, redline, goldline, blue dot, and raised white letter blue streak form across several vintage tire series. This size deserves close consideration when appearance, traditional construction, and restoration-oriented presentation matter as much as basic fitment.
Fitment is straightforward here because the covered 1964 Humber Super Snipe Base uses the same two primary tire sizes found at the model level. Checking the sub-model still matters because the real choice is between radial and bias-ply construction, not between different trim-specific sizes.
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1964 Humber Super Snipe Base
The 1964 Humber Super Snipe Base can use either the 185R15 radial or the 775-15 bias-ply on a 15-inch rim. That gives the owner a clear choice between a radial-format touring presentation and a more traditional bias-ply look with a wider range of classic sidewall treatments.
Bias-Ply to Radial Tire Conversion for the 1964 Humber Super Snipe
For the original 775-15 size, four radial-equivalent options are available. 195R15 is the 80-series metric radial equivalent, P205/75R15 is the P-metric 75-series radial equivalent, and P215/70R15 is the P-metric 70-series radial equivalent. A 670R15 bias-look radial is also available for owners who want a more traditional visual presentation. The recommended rim-width range for these equivalents is 5 to 7 inches, and any conversion should still be checked against the car's wheel size, overall dimensions, and clearance.
Modern Radial Equivalents
195R15
Equivalent 80-series Metric Radial (775-15)
P205/75R15
Equivalent P-metric 75-series Radial (775-15)
P215/70R15
Equivalent P-metric 70-series Radial (775-15)
670R15
Bias-look Radial Equivalent (775-15)
Important Considerations When Replacing Bias Ply With Radial
Compare overall diameter and section width carefully to ensure proper fit.
Verify recommended rim range (5-7 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:
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 1964 Humber Super Snipe Tires for Sale
Available 1964 Humber Super Snipe tires cover both fitment paths, with 185R15 radial choices from Coker Classic, Michelin, Avon, and Universal Vintage Tire, plus 775-15 bias-ply options from BFGoodrich, Firestone, and Goodyear. Sidewall treatments range from blackwall and narrow whitewall to redline, goldline, blue dot, and raised white letter blue streak styles.
Common questions for the 1964 Humber Super Snipe usually come down to choosing between 185R15 and 775-15, understanding radial equivalents, and matching sidewall style and construction to the car's intended look and road use.
Tire Size & Fitment
What tire size fits a 1964 Humber Super Snipe?
The 1964 Humber Super Snipe uses two primary tire sizes: 185R15 in radial construction and 775-15 in bias-ply construction. Both sizes are built for 15-inch wheels, so the fitment question is less about wheel diameter and more about which construction type belongs on the car as it sits today.
That means the next step is confirming the actual wheel setup and deciding whether the car is staying with a traditional bias-ply presentation or a radial-format tire. Owners comparing the two should also look at sidewall style, usable rim width, and whether the car has been changed from its original wheel or suspension configuration.
What size rim does a 1964 Humber Super Snipe use?
The 1964 Humber Super Snipe uses a 15-inch rim with both of its primary tire sizes. The radial 185R15 and the bias-ply 775-15 both share that same rim diameter, which simplifies the first stage of fitment by keeping wheel diameter consistent across the available choices.
Even with the same 15-inch diameter, wheel width still matters because individual tires can call for different rim-width ranges. A car that has replacement wheels, older service wheels, or aftermarket changes should have both diameter and width checked before tire selection, especially when moving between bias-ply and radial constructions.
Does the 1964 Humber Super Snipe Base use the same tire size?
Yes. The 1964 Humber Super Snipe Base uses the same two tire sizes associated with the model: 185R15 as a radial fitment and 775-15 as a bias-ply fitment. There is no separate sub-model-only size to sort through here, which keeps the fitment path fairly direct.
That leaves the real decision centered on construction and presentation. A Base model owner should choose between the radial and bias-ply approaches by checking wheel width, reviewing sidewall preferences such as blackwall or narrow whitewall, and considering whether the car is being prepared for restoration-minded display, regular road use, or both.
Bias-Ply & Radial Options
Is 775-15 a bias-ply or radial tire for the 1964 Humber Super Snipe?
On the 1964 Humber Super Snipe, 775-15 is a bias-ply tire size. It uses the older numeric sizing system, with 7.75 representing nominal section width and 15 representing rim diameter, and it is offered in several classic-style series and sidewall treatments that suit a traditional vintage look.
Choosing 775-15 usually means preserving the visual character of a period-style tire package rather than moving to a later radial format. Since available products in this size use different rim-width specifications, it is worth confirming the actual wheel width before selecting among blackwall, whitewall, redline, goldline, or other bias-ply presentations.
What radial tire sizes are equivalent to 775-15?
Radial equivalents for 775-15 include 195R15 as an 80-series metric radial, P205/75R15 as a P-metric 75-series radial, P215/70R15 as a P-metric 70-series radial, and 670R15 as a bias-look radial equivalent. These alternatives give the 1964 Humber Super Snipe owner several radial-format paths without changing the wheel diameter from 15 inches.
The practical differences come from sizing convention and profile family rather than simple appearance alone. A recommended rim-width range of 5 to 7 inches is associated with these equivalents, and any move away from 775-15 should be checked against wheel width, overall fit on the car, and clearance at the fenders and steering components.
Should I use bias-ply or radial tires on a 1964 Humber Super Snipe?
Either can be appropriate because the 1964 Humber Super Snipe has both a primary radial size, 185R15, and a primary bias-ply size, 775-15. The choice depends on what matters most to the owner: a more traditional vintage presentation with bias-ply construction, or a radial-format tire approach with different brand and sidewall options.
A restoration-oriented car may lean toward the visual character of 775-15, while a road-driven car may lead the owner toward 185R15 or one of the radial equivalents for 775-15. Construction changes should never be treated casually, so wheel width, tire dimensions, and clearance deserve a careful review before committing to either path.
Choosing the Right Tire
What should I consider when choosing a 775-15 tire for a 1964 Humber Super Snipe?
Start with the fact that 775-15 is the bias-ply fitment for the 1964 Humber Super Snipe. From there, the main choices are brand, sidewall treatment, tire series, and wheel-width compatibility, since this size is available from BFGoodrich, Firestone, and Goodyear in several distinct vintage-style presentations.
The best way to narrow it down is to match the tire to the car's intended use and visual goal. A blackwall gives a restrained look, while narrow whitewall, redline, goldline, blue dot, or raised white letter blue streak versions create a more specialized appearance. Rim-width specifications also vary enough to justify checking the wheel before ordering.
What sidewall styles are available for 1964 Humber Super Snipe tires?
The 1964 Humber Super Snipe has a broad sidewall range across its available tires. Depending on size and construction, choices include blackwall, narrow whitewall, redline, goldline, blue dot, and raised white letter blue streak. That gives the car owner room to select a conservative touring look or something much more visually expressive.
Sidewall style should be chosen only after the correct tire size and construction path are settled. The radial 185R15 selection is narrower and centers on blackwall, narrow whitewall, and redline choices, while the bias-ply 775-15 range offers the most appearance variety. Matching the tire's look to the car's restoration theme usually makes the final decision easier.
What brands offer tires for the 1964 Humber Super Snipe?
Brands available for the 1964 Humber Super Snipe include Coker Classic, Michelin, Avon, Universal Vintage Tire, BFGoodrich, Firestone, and Goodyear. The radial 185R15 assortment includes Coker Classic, Michelin, Avon, and Universal Vintage Tire, while the bias-ply 775-15 range includes BFGoodrich, Firestone, and Goodyear.
Brand choice should be considered alongside construction type, tire series, and sidewall treatment rather than in isolation. Michelin and Avon appear within the radial side of the fitment, while BFGoodrich, Firestone, and Goodyear shape the classic bias-ply selection. The most useful comparison is how each option aligns with wheel setup, desired appearance, and intended driving style.
Restoration & Appearance
Which tire should I choose for a period-style 1964 Humber Super Snipe?
A period-style 1964 Humber Super Snipe can be approached from either direction, but 775-15 bias-ply has the strongest traditional presentation because it is offered in several classic sidewall treatments and vintage tire series. The 185R15 radial path can also suit the car well when a more understated touring look is the priority.
The most accurate visual choice depends on the individual car's history, market, and restoration goal. Buyers who want exact originality should compare their tire choice against marque literature, period photos, and club guidance, while those aiming for the right overall era feel can focus on selecting the proper size and a sidewall style that complements the car.
How does tire construction affect the appearance of a restored 1964 Humber Super Snipe?
Tire construction changes the look of a restored 1964 Humber Super Snipe almost as much as the sidewall treatment does. A 775-15 bias-ply gives the car a more traditional vintage stance and opens up classic details such as narrow whitewall, redline, goldline, or blue dot styling, while a 185R15 radial presents a more modernized period touring appearance.
That visual shift matters because the Super Snipe is a formal British saloon, and its tires contribute heavily to the final impression. Owners restoring for display often focus on preserving that mid-century character, while road-use builds may accept a radial look more readily. Choosing construction first usually makes sidewall and brand decisions much more consistent.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1964 Humber Super Snipe?
Yes, modifications can affect tire fitment on a 1964 Humber Super Snipe even when the tire size itself is correct. Aftermarket wheels, different wheel widths, suspension changes, lowering, or brake conversions can all change how a 185R15, 775-15, or radial equivalent sits in the wheel opening and clears the steering and suspension.
That is especially important when moving from 775-15 bias-ply to any radial alternative, since construction and sizing format may alter how the tire occupies space on the car. A modified Super Snipe should have wheel diameter, wheel width, and clearance checked at full steering lock and through suspension movement before final tire selection.
What should I inspect before driving a 1964 Humber Super Snipe on new tires?
Before driving a 1964 Humber Super Snipe on new tires, inspect the wheels, valve stems, and overall tire seating, then confirm inflation pressure appropriate to the tire being used. It is also smart to look over suspension and steering components, since collector cars often spend long periods parked and can develop wear or deterioration that becomes obvious only once road use resumes.
A final clearance check is worthwhile before any longer outing. Turn the steering from lock to lock, listen for rubbing, and watch for contact at the fenders or suspension. After the first drive, recheck pressure and inspect the sidewalls and tread area for any signs of scuffing, uneven contact, or air loss.
How should 775-15 tires on a collector 1964 Humber Super Snipe be maintained?
775-15 tires on a collector 1964 Humber Super Snipe should be maintained with regular pressure checks, routine visual inspections, and careful storage practices. Bias-ply tires on low-use vintage cars deserve close attention to cracking, cuts, bulges, tread condition, and signs of slow air loss, especially after long periods off the road.
Storage environment matters almost as much as mileage on a collector car. Keeping the Super Snipe away from prolonged sunlight, moisture, and ozone sources helps preserve tire condition, and periodic movement can reduce flat-spotting from extended parking. Any tire that shows age-related deterioration should be evaluated before the car returns to regular road use.