1961 Maserati 3500 Tires

The 1961 Maserati 3500 is associated with two primary tire sizes: 185R16 in radial construction and 650-16 in bias-ply construction. Both sizes are built for 16-inch rims, so the car’s tire decision is not just about diameter, but also about whether it is set up around a radial or a traditional bias-ply fitment.

Choosing between them starts with the car in front of you. Check the tires currently on the vehicle, confirm the wheel dimensions, and look for any past changes to wheels or suspension before ordering replacements. On a collector car like a Maserati 3500, matching the tire to the existing setup is usually more important than assuming every 16-inch option belongs on every car.

The 1961 Maserati 3500 uses a 16-inch rim with both of its associated tire sizes, 185R16 and 650-16. That shared diameter simplifies one part of the decision, because both the radial and bias-ply fitments stay within the same basic wheel diameter rather than requiring a different rim size.

Rim diameter is only the starting point, though. Wheel width still matters, especially when comparing available products, and that is one reason tire selection should include a close look at the actual wheels on the car. If the Maserati has been fitted with non-original wheels over the years, confirming both width and overall wheel condition before mounting new tires is the smart next step.

650-16 is a numeric bias-ply tire size. The 6.50 refers to the nominal section width in inches, while 16 identifies the rim diameter. On a 1961 Maserati 3500, this size represents the traditional bias-ply format and visual character many owners associate with vintage tire presentation.

That older sizing format also affects how you shop. Instead of focusing on metric dimensions, the important comparison points become construction type, sidewall style, and whether the available tire matches the wheel width and intended use of the car. A 650-16 blackwall and a 650-16 wide whitewall share the same basic size, but they can create a very different finished appearance.

For the 1961 Maserati 3500, 650-16 is a bias-ply tire size. It uses the older numeric sizing system and is offered here in bias-ply construction across a wide range of brands and series. By contrast, the other primary size associated with this car, 185R16, is a radial format.

That distinction matters because a bias-ply tire affects both appearance and setup choice. Owners usually look at 650-16 when they want a more traditional visual presentation, including blackwall or wide whitewall options. Before changing away from it, verify the car’s wheel width and overall chassis setup so the replacement tire matches the way the Maserati is presently configured.

The 1961 Maserati 3500 appears with both a 650-16 bias-ply fitment and a 185R16 radial fitment, so the right choice depends on the car’s current setup and the owner’s priorities. Bias-ply tires suit a more traditional period-style presentation, while 185R16 radial options give the car a classic Euro-metric radial approach on the same 16-inch rim diameter.

A useful way to decide is to start with the wheels already on the car and the look you want to preserve. A restoration-oriented car may point toward 650-16, while a road-use-focused car already running radial-compatible wheels may lead toward 185R16. Either way, confirm wheel width, tire clearance, and the condition of the steering and suspension before making a construction change.

A move from 650-16 bias-ply tires to 185R16 radial tires on a 1961 Maserati 3500 should begin with wheel confirmation. Both sizes use a 16-inch rim, but radial products have their own rim-width requirements, and the car’s actual wheel dimensions need to match the tire being considered rather than just the rim diameter.

It also helps to inspect the full vehicle setup before making the switch. Check steering clearance at full lock, fender and suspension clearance through travel, and the condition of bushings, shocks, and alignment-related components. On an older grand touring car, a conversion often works best when the chassis is in sound condition and the new tire choice is evaluated as part of the whole setup.

Start with the two primary fitments used on the 1961 Maserati 3500: 650-16 bias-ply and 185R16 radial. That choice sets the direction for the rest of the decision, because it affects the tire’s sizing format, the visual style of the car, and which product families are relevant to compare.

After size and construction are confirmed, compare brand, tire series, sidewall treatment, and rim-width compatibility. A blackwall 185R16 radial from Michelin, Avon, or Vredestein serves a different goal than a 650-16 bias-ply in blackwall or wide whitewall form. The right tire is the one that matches the car’s wheel setup, intended use, and restoration direction without forcing assumptions.

Sidewall choices for the 1961 Maserati 3500 vary by tire size. The 185R16 radial options are blackwall tires, while the 650-16 bias-ply range includes both blackwall and wide whitewall versions. That means the sidewall decision is tied closely to the construction and size you choose first.

For many owners, sidewall style is one of the biggest visual decisions on the car. A blackwall keeps the presentation restrained and sporting, while a wide whitewall creates a more formal vintage look. Since sidewall treatment can change the overall character of a restoration, it makes sense to decide on the appearance goal before narrowing the field to a particular brand or series.

The 1961 Maserati 3500 has tire options from Michelin, Avon, and Vredestein in 185R16 radial form. In 650-16 bias-ply form, available brands include BFGoodrich, Coker Classic, Firestone, Garfield, Lester, Goodyear, STA, Tornel, and Excelsior, covering both passenger-style and more specialized bias-ply offerings.

Brand choice should be part of a larger comparison rather than the only deciding factor. Once the correct size and construction are confirmed, look at each tire’s series, sidewall style, and wheel-width suitability to see which one best matches the Maserati’s intended presentation. That approach helps narrow the field without turning the decision into a simple brand preference exercise.

For a period-style 1961 Maserati 3500, the 650-16 bias-ply size is the natural place to begin. Its numeric sizing format and traditional construction align closely with the type of tire presentation many enthusiasts expect on an early 1960s grand touring car, and it also offers a wide range of blackwall and wide whitewall choices.

The final choice depends on how authentic or interpretive the restoration needs to be. If exact originality matters, compare the car against marque-club references, period photography, and other vehicle-specific documentation before settling on a brand or sidewall treatment. For many owners, though, choosing the correct size and a visually appropriate bias-ply style is the key first step.

Tire construction changes more than road feel on a restored 1961 Maserati 3500; it also changes the way the car presents visually. A 650-16 bias-ply tire gives the car a more traditional vintage look, especially when paired with blackwall or wide whitewall styling, while a 185R16 radial brings a later Euro-metric appearance.

That visual difference is why construction should be considered early in the restoration process rather than at the very end. A radial can still suit a classic GT well, but it creates a different finished impression than a numeric bias-ply tire. Matching the tire’s look to the car’s trim, stance, and restoration intent usually leads to a more coherent result.

Yes, modifications can affect tire fitment on a 1961 Maserati 3500 even when the tire size itself is correct. Changes to wheel width, wheel offset, suspension height, steering components, or body clearance can all influence how a 650-16 bias-ply or 185R16 radial sits and moves within the wheel opening.

That is especially important on an older collector car that may have seen decades of updates. If the Maserati has aftermarket wheels, altered springs, or brake and suspension changes, inspect clearance at full steering lock and through suspension travel before mounting new tires. A fitment check on the actual car helps avoid assuming that a correct size alone settles everything.

Before driving a 1961 Maserati 3500 on new tires, inspect the wheels, valve stems, and overall mounting condition, then confirm that inflation is appropriate for the specific tire being used. It also makes sense to look over the car’s steering and suspension condition so the tires are not being asked to compensate for worn mechanical parts.

A short road test should include listening for rubbing, checking straight-line tracking, and rechecking pressure after the first outings. On a vintage grand tourer, tire performance is tied closely to the condition of the chassis beneath it. Fresh tires can only do their job properly when alignment, wheel hardware, and general running gear are in sound condition.

Tires on a collector 1961 Maserati 3500 should be inspected regularly for air loss, tread wear, sidewall cracking, bulges, cuts, and signs of age-related deterioration. Because collector cars are often driven less, visual condition matters just as much as tread depth, whether the car is fitted with 650-16 bias-ply tires or 185R16 radials.

Storage also plays a major role in tire life. Keep the car away from prolonged heat, direct sunlight, excess moisture, and ozone sources, and move or drive it occasionally so the tires are not left in one loaded position for long periods. Regular pressure checks and routine inspections before each outing are simple habits that help protect both tire life and road manners.