1956 Daimler One-O-Four Tires

The 1956 Daimler One-O-Four uses two recognized tire sizes: 650-16 in bias-ply construction and 185R16 in radial construction. Both are 16-inch fitments and both are associated with the 3.5 Liter version of the car, so the main distinction is not wheel diameter but the type of tire and the overall presentation you want.

Choosing between them starts with the car’s current wheel setup and your goals for appearance and road use. A 650-16 bias-ply keeps a more traditional period-style look, while 185R16 moves into a classic radial format. Before selecting either one, confirm the actual wheel width on the car and check clearance if anything in the suspension or wheel setup has been changed.

The 1956 Daimler One-O-Four uses a 16-inch rim diameter with both of its associated tire sizes. That means the 650-16 bias-ply and the 185R16 radial are both built for a 16-inch wheel, even though the sizing systems are very different in how they describe the tire.

Rim diameter is only the first check. Wheel width still matters, especially if the car has been restored with replacement wheels or modified over the years. Some 185R16 radial products are built for wider rim ranges than many 650-16 bias-ply tires, so it is worth confirming the actual wheel dimensions before changing construction or selecting among available tire lines.

650-16 is a vintage numeric bias-ply tire size. The 6.50 refers to the tire’s nominal section width in inches, and the 16 refers to the wheel diameter in inches. On the 1956 Daimler One-O-Four, it represents the traditional bias-ply sizing style most closely associated with period-looking replacement tires for cars of this era.

That size format matters because it points you toward a different construction and appearance than a radial such as 185R16. Buyers looking at 650-16 usually compare blackwall versus wide whitewall options, along with brand and series differences. It is also smart to verify wheel width, since several 650-16 products are intended for relatively narrow rims compared with many radial alternatives.

Start with the correct size and construction path for the car: 650-16 if the goal is a traditional bias-ply presentation, or 185R16 if a classic radial fitment is preferred. Both use a 16-inch rim, but they differ in sizing format, appearance, and the types of products available for each route.

After that, compare the details that affect the finished result. Sidewall style, brand, tire series, and wheel-width compatibility all matter, especially on a restoration-minded car. A wide whitewall 650-16 creates a very different visual impression than a blackwall radial. If the Daimler has replacement wheels, confirm width and general clearance before settling on either construction.

Sidewall choice depends on the size and construction you choose. The 185R16 radial options are available in blackwall form, while 650-16 bias-ply tires come in both blackwall and wide whitewall versions. That gives the 1956 Daimler One-O-Four a broader appearance range if you stay with the numeric bias-ply size.

The practical decision is how formal or understated you want the car to look. Blackwalls tend to suit a cleaner, more restrained presentation, while wide whitewalls emphasize a stronger period-style luxury-car character. Appearance should still come after fitment basics, so confirm the correct size and wheel setup first, then narrow the choice by sidewall treatment.

The 1956 Daimler One-O-Four has choices from several brands depending on size. In 185R16 radial, available brands include Michelin, Avon, and Vredestein. In 650-16 bias-ply, options include BFGoodrich, Coker Classic, Firestone, Garfield, Excelsior, Lester, Goodyear, STA, and Tornel.

Brand is only one part of the decision. The bigger distinctions often come from construction type, tire series, sidewall style, and intended wheel-width range. A buyer comparing 650-16 products may be choosing between blackwall and wide whitewall presentations, while someone choosing 185R16 is usually comparing classic blackwall radials with different series characteristics and fitment ranges.

A 650-16 bias-ply tire is the strongest period-style starting point for a 1956 Daimler One-O-Four. That size uses the vintage numeric format and is available in both blackwall and wide whitewall versions, giving the car a traditional presentation that suits a mid-1950s luxury saloon especially well.

The right version depends on how closely the restoration is meant to reflect the car’s original delivery or a particular owner preference from the era. When historical accuracy matters down to sidewall treatment, check marque references or period documentation tied to the individual car. Once the look is settled, confirm that the installed wheels match the chosen tire’s intended rim-width range.

Construction changes the visual character of the car as much as it changes the driving feel. On a restored 1956 Daimler One-O-Four, a 650-16 bias-ply gives a more traditional sidewall shape and period-minded presentation, while a 185R16 radial keeps the 16-inch format but introduces a more modern tire profile and exclusively blackwall choices.

That difference matters because the Daimler’s formal body style responds strongly to tire proportions and sidewall treatment. A wide whitewall bias-ply can make the car look more authentically mid-1950s in spirit, while a blackwall radial creates a subtler touring appearance. Either way, appearance should be judged alongside wheel compatibility and how the car will actually be driven.

Yes, modifications can change what works on a 1956 Daimler One-O-Four even when the nominal tire size looks correct. Aftermarket wheels, altered wheel width, changed offset, suspension work, or body repairs can all influence how either a 650-16 bias-ply or a 185R16 radial sits in the wheel opening and clears surrounding components.

That is especially important when switching construction types, since the car may no longer be sitting on its original wheels. A sensible check includes actual wheel diameter and width, visible clearance at the fender and steering components, and whether the suspension settles evenly. Small setup differences can matter on a collector car with decades of repairs or updates behind it.

Before road use, inspect the wheels, valve hardware, and overall tire installation, then confirm that all four tires match the intended size and construction for the car. On a 1956 Daimler One-O-Four, it also makes sense to look closely at suspension condition, steering play, and any signs that the car has alignment or clearance issues.

A collector vehicle should also be checked after the first short drive. Recheck tire pressure, watch for unusual rubbing marks, and look for uneven seating or air loss. Since older cars may have sat for long periods, inspect nearby brake and chassis components at the same time. Roadworthiness depends on the whole setup, not just the tires themselves.

Tires on a collector 1956 Daimler One-O-Four should be kept clean, properly inflated, and inspected regularly for cracking, cuts, bulges, tread wear, and slow air loss. Both 650-16 bias-ply and 185R16 radial tires benefit from periodic visual checks, especially on a car that may spend long stretches in storage between drives.

Storage conditions matter as much as mileage on a low-use classic. Try to keep the car away from prolonged heat, direct sunlight, excess moisture, and ozone sources such as electric motors or shop equipment. It also helps to move the car occasionally or adjust its resting position so the tires are not left supporting weight in one spot for too long.